Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next

Pull sparc fixes from David Miller: "Sparc sparse fixes from Sam Ravnborg" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (67 commits) sparc64: fix sparse warnings in int_64.c sparc64: fix sparse warning in ftrace.c sparc64: fix sparse warning in kprobes.c sparc64: fix sparse warning in kgdb_64.c sparc64: fix sparse warnings in compat_audit.c sparc64: fix sparse warnings in init_64.c sparc64: fix sparse warnings in aes_glue.c sparc: fix sparse warnings in smp_32.c + smp_64.c sparc64: fix sparse warnings in perf_event.c sparc64: fix sparse warnings in kprobes.c sparc64: fix sparse warning in tsb.c sparc64: clean up compat_sigset_t.seta handling sparc64: fix sparse "Should it be static?" warnings in signal32.c sparc64: fix sparse warnings in sys_sparc32.c sparc64: fix sparse warning in pci.c sparc64: fix sparse warnings in smp_64.c sparc64: fix sparse warning in prom_64.c sparc64: fix sparse warning in btext.c sparc64: fix sparse warnings in sys_sparc_64.c + unaligned_64.c sparc64: fix sparse warning in process_64.c ... Conflicts: arch/sparc/include/asm/pgtable_64.h
author: Linus Torvalds <torvalds@linux-foundation.org> 2014-06-19 07:50:07 -1000
committer: Linus Torvalds <torvalds@linux-foundation.org> 2014-06-19 07:50:07 -1000
commit: c4222e4635c6d6a689bf69e982f19c9d1ba261e1 (patch)
tree: 2e5954d33ff287da74029815355c353defd3abd0 /arch/sparc
parent: e99cfa2d0634881b8a41d56c48b5956b9a3ba162 (diff)
parent: 311b8935ad4e13bac5880ae3f0c269b0c253d25f (diff)
158 files changed, 1578 insertions, 1849 deletions
diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c
index 503e6d96ad4e..df922f52d76d 100644
--- a/arch/sparc/crypto/aes_glue.c
+++ b/arch/sparc/crypto/aes_glue.c
@@ -124,7 +124,7 @@ extern void aes_sparc64_ctr_crypt_256(const u64 *key, const u64 *input,
 				      u64 *output, unsigned int len,
 				      u64 *iv);
 
-struct aes_ops aes128_ops = {
+static struct aes_ops aes128_ops = {
 	.encrypt		= aes_sparc64_encrypt_128,
 	.decrypt		= aes_sparc64_decrypt_128,
 	.load_encrypt_keys	= aes_sparc64_load_encrypt_keys_128,
@@ -136,7 +136,7 @@ struct aes_ops aes128_ops = {
 	.ctr_crypt		= aes_sparc64_ctr_crypt_128,
 };
 
-struct aes_ops aes192_ops = {
+static struct aes_ops aes192_ops = {
 	.encrypt		= aes_sparc64_encrypt_192,
 	.decrypt		= aes_sparc64_decrypt_192,
 	.load_encrypt_keys	= aes_sparc64_load_encrypt_keys_192,
@@ -148,7 +148,7 @@ struct aes_ops aes192_ops = {
 	.ctr_crypt		= aes_sparc64_ctr_crypt_192,
 };
 
-struct aes_ops aes256_ops = {
+static struct aes_ops aes256_ops = {
 	.encrypt		= aes_sparc64_encrypt_256,
 	.decrypt		= aes_sparc64_decrypt_256,
 	.load_encrypt_keys	= aes_sparc64_load_encrypt_keys_256,
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index f08fe51b264d..7aed2be45b44 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -20,11 +20,11 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-extern int __atomic_add_return(int, atomic_t *);
-extern int atomic_cmpxchg(atomic_t *, int, int);
+int __atomic_add_return(int, atomic_t *);
+int atomic_cmpxchg(atomic_t *, int, int);
 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
-extern int __atomic_add_unless(atomic_t *, int, int);
-extern void atomic_set(atomic_t *, int);
+int __atomic_add_unless(atomic_t *, int, int);
+void atomic_set(atomic_t *, int);
 
 #define atomic_read(v)          (*(volatile int *)&(v)->counter)
 
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 8b2f1bde2889..bb894c8bec56 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -20,15 +20,15 @@
 #define atomic_set(v, i)	(((v)->counter) = i)
 #define atomic64_set(v, i)	(((v)->counter) = i)
 
-extern void atomic_add(int, atomic_t *);
-extern void atomic64_add(long, atomic64_t *);
-extern void atomic_sub(int, atomic_t *);
-extern void atomic64_sub(long, atomic64_t *);
+void atomic_add(int, atomic_t *);
+void atomic64_add(long, atomic64_t *);
+void atomic_sub(int, atomic_t *);
+void atomic64_sub(long, atomic64_t *);
 
-extern int atomic_add_ret(int, atomic_t *);
-extern long atomic64_add_ret(long, atomic64_t *);
-extern int atomic_sub_ret(int, atomic_t *);
-extern long atomic64_sub_ret(long, atomic64_t *);
+int atomic_add_ret(int, atomic_t *);
+long atomic64_add_ret(long, atomic64_t *);
+int atomic_sub_ret(int, atomic_t *);
+long atomic64_sub_ret(long, atomic64_t *);
 
 #define atomic_dec_return(v) atomic_sub_ret(1, v)
 #define atomic64_dec_return(v) atomic64_sub_ret(1, v)
@@ -107,6 +107,6 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
 
 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
 
-extern long atomic64_dec_if_positive(atomic64_t *v);
+long atomic64_dec_if_positive(atomic64_t *v);
 
 #endif /* !(__ARCH_SPARC64_ATOMIC__) */
diff --git a/arch/sparc/include/asm/auxio.h b/arch/sparc/include/asm/auxio.h
index 13dc67f03011..3e09a07b77e9 100644
--- a/arch/sparc/include/asm/auxio.h
+++ b/arch/sparc/include/asm/auxio.h
@@ -1,5 +1,12 @@
 #ifndef ___ASM_SPARC_AUXIO_H
 #define ___ASM_SPARC_AUXIO_H
+
+#ifndef __ASSEMBLY__
+
+extern void __iomem *auxio_register;
+
+#endif /* ifndef __ASSEMBLY__ */
+
 #if defined(__sparc__) && defined(__arch64__)
 #include <asm/auxio_64.h>
 #else
diff --git a/arch/sparc/include/asm/auxio_32.h b/arch/sparc/include/asm/auxio_32.h
index 3a319775ae37..5d685df427b4 100644
--- a/arch/sparc/include/asm/auxio_32.h
+++ b/arch/sparc/include/asm/auxio_32.h
@@ -34,8 +34,8 @@
  * NOTE: these routines are implementation dependent--
  * understand the hardware you are querying!
  */
-extern void set_auxio(unsigned char bits_on, unsigned char bits_off);
-extern unsigned char get_auxio(void); /* .../asm/floppy.h */
+void set_auxio(unsigned char bits_on, unsigned char bits_off);
+unsigned char get_auxio(void); /* .../asm/floppy.h */
 
 /*
  * The following routines are provided for driver-compatibility
@@ -78,7 +78,7 @@ do { \
 
 
 /* AUXIO2 (Power Off Control) */
-extern __volatile__ unsigned char * auxio_power_register;
+extern volatile u8 __iomem *auxio_power_register;
 
 #define	AUXIO_POWER_DETECT_FAILURE	32
 #define	AUXIO_POWER_CLEAR_FAILURE	2
diff --git a/arch/sparc/include/asm/auxio_64.h b/arch/sparc/include/asm/auxio_64.h
index f61cd1e3e395..6079e59a7ad1 100644
--- a/arch/sparc/include/asm/auxio_64.h
+++ b/arch/sparc/include/asm/auxio_64.h
@@ -75,8 +75,6 @@
 
 #ifndef __ASSEMBLY__
 
-extern void __iomem *auxio_register;
-
 #define AUXIO_LTE_ON	1
 #define AUXIO_LTE_OFF	0
 
@@ -84,7 +82,7 @@ extern void __iomem *auxio_register;
  *
  * on - AUXIO_LTE_ON or AUXIO_LTE_OFF
  */
-extern void auxio_set_lte(int on);
+void auxio_set_lte(int on);
 
 #define AUXIO_LED_ON	1
 #define AUXIO_LED_OFF	0
@@ -93,7 +91,7 @@ extern void auxio_set_lte(int on);
  *
  * on - AUXIO_LED_ON or AUXIO_LED_OFF
  */
-extern void auxio_set_led(int on);
+void auxio_set_led(int on);
 
 #endif /* ifndef __ASSEMBLY__ */
 
diff --git a/arch/sparc/include/asm/bitext.h b/arch/sparc/include/asm/bitext.h
index 297b2f2fcb49..9c988bf3adb6 100644
--- a/arch/sparc/include/asm/bitext.h
+++ b/arch/sparc/include/asm/bitext.h
@@ -20,8 +20,8 @@ struct bit_map {
 	int num_colors;
 };
 
-extern int bit_map_string_get(struct bit_map *t, int len, int align);
-extern void bit_map_clear(struct bit_map *t, int offset, int len);
-extern void bit_map_init(struct bit_map *t, unsigned long *map, int size);
+int bit_map_string_get(struct bit_map *t, int len, int align);
+void bit_map_clear(struct bit_map *t, int offset, int len);
+void bit_map_init(struct bit_map *t, unsigned long *map, int size);
 
 #endif /* defined(_SPARC_BITEXT_H) */
diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h
index 88c9a962502c..600ed1d9c8c8 100644
--- a/arch/sparc/include/asm/bitops_32.h
+++ b/arch/sparc/include/asm/bitops_32.h
@@ -18,9 +18,9 @@
 #error only <linux/bitops.h> can be included directly
 #endif
 
-extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
-extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
-extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
+unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
+unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
+unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
 
 /*
  * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h
index f1a051ca301a..2d522402a937 100644
--- a/arch/sparc/include/asm/bitops_64.h
+++ b/arch/sparc/include/asm/bitops_64.h
@@ -15,12 +15,12 @@
 #include <asm/byteorder.h>
 #include <asm/barrier.h>
 
-extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
-extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
-extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
-extern void set_bit(unsigned long nr, volatile unsigned long *addr);
-extern void clear_bit(unsigned long nr, volatile unsigned long *addr);
-extern void change_bit(unsigned long nr, volatile unsigned long *addr);
+int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
+int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
+int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
+void set_bit(unsigned long nr, volatile unsigned long *addr);
+void clear_bit(unsigned long nr, volatile unsigned long *addr);
+void change_bit(unsigned long nr, volatile unsigned long *addr);
 
 #include <asm-generic/bitops/non-atomic.h>
 
@@ -30,8 +30,8 @@ extern void change_bit(unsigned long nr, volatile unsigned long *addr);
 
 #ifdef __KERNEL__
 
-extern int ffs(int x);
-extern unsigned long __ffs(unsigned long);
+int ffs(int x);
+unsigned long __ffs(unsigned long);
 
 #include <asm-generic/bitops/ffz.h>
 #include <asm-generic/bitops/sched.h>
@@ -41,10 +41,10 @@ extern unsigned long __ffs(unsigned long);
  * of bits set) of a N-bit word
  */
 
-extern unsigned long __arch_hweight64(__u64 w);
-extern unsigned int __arch_hweight32(unsigned int w);
-extern unsigned int __arch_hweight16(unsigned int w);
-extern unsigned int __arch_hweight8(unsigned int w);
+unsigned long __arch_hweight64(__u64 w);
+unsigned int __arch_hweight32(unsigned int w);
+unsigned int __arch_hweight16(unsigned int w);
+unsigned int __arch_hweight8(unsigned int w);
 
 #include <asm-generic/bitops/const_hweight.h>
 #include <asm-generic/bitops/lock.h>
diff --git a/arch/sparc/include/asm/btext.h b/arch/sparc/include/asm/btext.h
index 9b2bc6b6ed0a..75a32b109e15 100644
--- a/arch/sparc/include/asm/btext.h
+++ b/arch/sparc/include/asm/btext.h
@@ -1,6 +1,6 @@
 #ifndef _SPARC_BTEXT_H
 #define _SPARC_BTEXT_H
 
-extern int btext_find_display(void);
+int btext_find_display(void);
 
 #endif /* _SPARC_BTEXT_H */
diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h
index 6bd9f43cb5a5..eaa8f8d38125 100644
--- a/arch/sparc/include/asm/bug.h
+++ b/arch/sparc/include/asm/bug.h
@@ -5,7 +5,7 @@
 #include <linux/compiler.h>
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE
-extern void do_BUG(const char *file, int line);
+void do_BUG(const char *file, int line);
 #define BUG() do {					\
 	do_BUG(__FILE__, __LINE__);			\
 	__builtin_trap();				\
@@ -20,6 +20,6 @@ extern void do_BUG(const char *file, int line);
 #include <asm-generic/bug.h>
 
 struct pt_regs;
-extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn));
+void __noreturn die_if_kernel(char *str, struct pt_regs *regs);
 
 #endif
diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h
index bb014c24f318..12164006181c 100644
--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -36,7 +36,7 @@
 #define flush_page_for_dma(addr) \
 	sparc32_cachetlb_ops->page_for_dma(addr)
 
-extern void sparc_flush_page_to_ram(struct page *page);
+void sparc_flush_page_to_ram(struct page *page);
 
 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
 #define flush_dcache_page(page)			sparc_flush_page_to_ram(page)
@@ -51,8 +51,8 @@ extern void sparc_flush_page_to_ram(struct page *page);
  * way the windows are all clean for the next process and the stack
  * frames are up to date.
  */
-extern void flush_user_windows(void);
-extern void kill_user_windows(void);
-extern void flushw_all(void);
+void flush_user_windows(void);
+void kill_user_windows(void);
+void flushw_all(void);
 
 #endif /* _SPARC_CACHEFLUSH_H */
diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h
index 301736d9e7a1..38965379e350 100644
--- a/arch/sparc/include/asm/cacheflush_64.h
+++ b/arch/sparc/include/asm/cacheflush_64.h
@@ -10,7 +10,7 @@
 /* Cache flush operations. */
 #define flushw_all()	__asm__ __volatile__("flushw")
 
-extern void __flushw_user(void);
+void __flushw_user(void);
 #define flushw_user() __flushw_user()
 
 #define flush_user_windows flushw_user
@@ -30,29 +30,29 @@ extern void __flushw_user(void);
  * use block commit stores (which invalidate icache lines) during
  * module load, so we need this.
  */
-extern void flush_icache_range(unsigned long start, unsigned long end);
-extern void __flush_icache_page(unsigned long);
+void flush_icache_range(unsigned long start, unsigned long end);
+void __flush_icache_page(unsigned long);
 
-extern void __flush_dcache_page(void *addr, int flush_icache);
-extern void flush_dcache_page_impl(struct page *page);
+void __flush_dcache_page(void *addr, int flush_icache);
+void flush_dcache_page_impl(struct page *page);
 #ifdef CONFIG_SMP
-extern void smp_flush_dcache_page_impl(struct page *page, int cpu);
-extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
+void smp_flush_dcache_page_impl(struct page *page, int cpu);
+void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
 #else
 #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page)
 #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page)
 #endif
 
-extern void __flush_dcache_range(unsigned long start, unsigned long end);
+void __flush_dcache_range(unsigned long start, unsigned long end);
 #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
-extern void flush_dcache_page(struct page *page);
+void flush_dcache_page(struct page *page);
 
 #define flush_icache_page(vma, pg)	do { } while(0)
 #define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
 
-extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
-				unsigned long uaddr, void *kaddr,
-				unsigned long len, int write);
+void flush_ptrace_access(struct vm_area_struct *, struct page *,
+			 unsigned long uaddr, void *kaddr,
+			 unsigned long len, int write);
 
 #define copy_to_user_page(vma, page, vaddr, dst, src, len)		\
 	do {								\
diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h
index 04471dc64847..426b2389a1c2 100644
--- a/arch/sparc/include/asm/checksum_32.h
+++ b/arch/sparc/include/asm/checksum_32.h
@@ -29,7 +29,7 @@
  *
  * it's best to have buff aligned on a 32-bit boundary
  */
-extern __wsum csum_partial(const void *buff, int len, __wsum sum);
+__wsum csum_partial(const void *buff, int len, __wsum sum);
 
 /* the same as csum_partial, but copies from fs:src while it
  * checksums
@@ -38,7 +38,7 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
  * better 64-bit) boundary
  */
 
-extern unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *);
+unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *);
 
 static inline __wsum
 csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h
index 2ff81ae8f3af..b8779a6a5911 100644
--- a/arch/sparc/include/asm/checksum_64.h
+++ b/arch/sparc/include/asm/checksum_64.h
@@ -29,7 +29,7 @@
  *
  * it's best to have buff aligned on a 32-bit boundary
  */
-extern __wsum csum_partial(const void * buff, int len, __wsum sum);
+__wsum csum_partial(const void * buff, int len, __wsum sum);
 
 /* the same as csum_partial, but copies from user space while it
  * checksums
@@ -37,12 +37,12 @@ extern __wsum csum_partial(const void * buff, int len, __wsum sum);
  * here even more important to align src and dst on a 32-bit (or even
  * better 64-bit) boundary
  */
-extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
-					      int len, __wsum sum);
+__wsum csum_partial_copy_nocheck(const void *src, void *dst,
+				 int len, __wsum sum);
 
-extern long __csum_partial_copy_from_user(const void __user *src,
-					  void *dst, int len,
-					  __wsum sum);
+long __csum_partial_copy_from_user(const void __user *src,
+				   void *dst, int len,
+				   __wsum sum);
 
 static inline __wsum
 csum_partial_copy_from_user(const void __user *src,
@@ -59,9 +59,9 @@ csum_partial_copy_from_user(const void __user *src,
  *	Copy and checksum to user
  */
 #define HAVE_CSUM_COPY_USER
-extern long __csum_partial_copy_to_user(const void *src,
-					void __user *dst, int len,
-					  __wsum sum);
+long __csum_partial_copy_to_user(const void *src,
+				 void __user *dst, int len,
+				 __wsum sum);
 
 static inline __wsum
 csum_and_copy_to_user(const void *src,
@@ -77,7 +77,7 @@ csum_and_copy_to_user(const void *src,
 /* ihl is always 5 or greater, almost always is 5, and iph is word aligned
  * the majority of the time.
  */
-extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl);
+__sum16 ip_fast_csum(const void *iph, unsigned int ihl);
 
 /* Fold a partial checksum without adding pseudo headers. */
 static inline __sum16 csum_fold(__wsum sum)
@@ -96,9 +96,9 @@ static inline __sum16 csum_fold(__wsum sum)
 }
 
 static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
-					       unsigned int len,
-					       unsigned short proto,
-					       __wsum sum)
+					unsigned int len,
+					unsigned short proto,
+					__wsum sum)
 {
 	__asm__ __volatile__(
 "	addcc		%1, %0, %0\n"
@@ -116,9 +116,9 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
  * returns a 16-bit checksum, already complemented
  */
 static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
-						   unsigned short len,
-						   unsigned short proto,
-						   __wsum sum)
+					unsigned short len,
+					unsigned short proto,
+					__wsum sum)
 {
 	return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
 }
diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h
index 1fae1a02e3c2..32c29a133f9d 100644
--- a/arch/sparc/include/asm/cmpxchg_32.h
+++ b/arch/sparc/include/asm/cmpxchg_32.h
@@ -20,7 +20,7 @@ static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned lon
 	return val;
 }
 
-extern void __xchg_called_with_bad_pointer(void);
+void __xchg_called_with_bad_pointer(void);
 
 static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size)
 {
@@ -45,9 +45,9 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int
 #define __HAVE_ARCH_CMPXCHG	1
 
 /* bug catcher for when unsupported size is used - won't link */
-extern void __cmpxchg_called_with_bad_pointer(void);
+void __cmpxchg_called_with_bad_pointer(void);
 /* we only need to support cmpxchg of a u32 on sparc */
-extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
+unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_);
 
 /* don't worry...optimizer will get rid of most of this */
 static inline unsigned long
diff --git a/arch/sparc/include/asm/cmpxchg_64.h b/arch/sparc/include/asm/cmpxchg_64.h
index 4adefe8e2885..0e1ed6cfbf68 100644
--- a/arch/sparc/include/asm/cmpxchg_64.h
+++ b/arch/sparc/include/asm/cmpxchg_64.h
@@ -42,7 +42,7 @@ static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long
 
 #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-extern void __xchg_called_with_bad_pointer(void);
+void __xchg_called_with_bad_pointer(void);
 
 static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr,
 				       int size)
@@ -91,7 +91,7 @@ __cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new)
 
 /* This function doesn't exist, so you'll get a linker error
    if something tries to do an invalid cmpxchg().  */
-extern void __cmpxchg_called_with_bad_pointer(void);
+void __cmpxchg_called_with_bad_pointer(void);
 
 static inline unsigned long
 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
diff --git a/arch/sparc/include/asm/cpudata.h b/arch/sparc/include/asm/cpudata.h
index b5976de7cacd..128b56b08676 100644
--- a/arch/sparc/include/asm/cpudata.h
+++ b/arch/sparc/include/asm/cpudata.h
@@ -1,5 +1,15 @@
 #ifndef ___ASM_SPARC_CPUDATA_H
 #define ___ASM_SPARC_CPUDATA_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/threads.h>
+#include <linux/percpu.h>
+
+extern const struct seq_operations cpuinfo_op;
+
+#endif /* !(__ASSEMBLY__) */
+
 #if defined(__sparc__) && defined(__arch64__)
 #include <asm/cpudata_64.h>
 #else
diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h
index 050ef35b9dcf..0e594076912c 100644
--- a/arch/sparc/include/asm/cpudata_64.h
+++ b/arch/sparc/include/asm/cpudata_64.h
@@ -8,9 +8,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <linux/percpu.h>
-#include <linux/threads.h>
-
 typedef struct {
 	/* Dcache line 1 */
 	unsigned int	__softirq_pending; /* must be 1st, see rtrap.S */
@@ -35,8 +32,6 @@ DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
 #define cpu_data(__cpu)		per_cpu(__cpu_data, (__cpu))
 #define local_cpu_data()	__get_cpu_var(__cpu_data)
 
-extern const struct seq_operations cpuinfo_op;
-
 #endif /* !(__ASSEMBLY__) */
 
 #include <asm/trap_block.h>
diff --git a/arch/sparc/include/asm/delay_32.h b/arch/sparc/include/asm/delay_32.h
index bc9aba2bead6..3fb8ca144b4f 100644
--- a/arch/sparc/include/asm/delay_32.h
+++ b/arch/sparc/include/asm/delay_32.h
@@ -20,8 +20,8 @@ static inline void __delay(unsigned long loops)
 }
 
 /* This is too messy with inline asm on the Sparc. */
-extern void __udelay(unsigned long usecs, unsigned long lpj);
-extern void __ndelay(unsigned long nsecs, unsigned long lpj);
+void __udelay(unsigned long usecs, unsigned long lpj);
+void __ndelay(unsigned long nsecs, unsigned long lpj);
 
 #ifdef CONFIG_SMP
 #define __udelay_val	cpu_data(smp_processor_id()).udelay_val
diff --git a/arch/sparc/include/asm/delay_64.h b/arch/sparc/include/asm/delay_64.h
index a77aa622d762..0ba5424856d8 100644
--- a/arch/sparc/include/asm/delay_64.h
+++ b/arch/sparc/include/asm/delay_64.h
@@ -8,8 +8,8 @@
 
 #ifndef __ASSEMBLY__
 
-extern void __delay(unsigned long loops);
-extern void udelay(unsigned long usecs);
+void __delay(unsigned long loops);
+void udelay(unsigned long usecs);
 #define mdelay(n)	udelay((n) * 1000)
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h
index daa6a8a5e9cd..bb3f0b0c6754 100644
--- a/arch/sparc/include/asm/device.h
+++ b/arch/sparc/include/asm/device.h
@@ -19,7 +19,7 @@ struct dev_archdata {
 	int			numa_node;
 };
 
-extern void of_propagate_archdata(struct platform_device *bus);
+void of_propagate_archdata(struct platform_device *bus);
 
 struct pdev_archdata {
 	struct resource		resource[PROMREG_MAX];
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 05fe53f5346e..1ee02710b2dc 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -7,7 +7,7 @@
 
 #define DMA_ERROR_CODE	(~(dma_addr_t)0x0)
 
-extern int dma_supported(struct device *dev, u64 mask);
+int dma_supported(struct device *dev, u64 mask);
 
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
diff --git a/arch/sparc/include/asm/ebus_dma.h b/arch/sparc/include/asm/ebus_dma.h
index f07a5b541c98..fcfb4948147f 100644
--- a/arch/sparc/include/asm/ebus_dma.h
+++ b/arch/sparc/include/asm/ebus_dma.h
@@ -22,14 +22,14 @@ struct ebus_dma_info {
 	unsigned char	name[64];
 };
 
-extern int ebus_dma_register(struct ebus_dma_info *p);
-extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
-extern void ebus_dma_unregister(struct ebus_dma_info *p);
-extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
+int ebus_dma_register(struct ebus_dma_info *p);
+int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
+void ebus_dma_unregister(struct ebus_dma_info *p);
+int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
 			    size_t len);
-extern void ebus_dma_prepare(struct ebus_dma_info *p, int write);
-extern unsigned int ebus_dma_residue(struct ebus_dma_info *p);
-extern unsigned int ebus_dma_addr(struct ebus_dma_info *p);
-extern void ebus_dma_enable(struct ebus_dma_info *p, int on);
+void ebus_dma_prepare(struct ebus_dma_info *p, int write);
+unsigned int ebus_dma_residue(struct ebus_dma_info *p);
+unsigned int ebus_dma_addr(struct ebus_dma_info *p);
+void ebus_dma_enable(struct ebus_dma_info *p, int on);
 
 #endif /* __ASM_SPARC_EBUS_DMA_H */
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index fb3f16954c69..071b83e52f15 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -9,11 +9,12 @@
 #include <linux/of.h>
 #include <linux/of_device.h>
 
-#include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/idprom.h>
 #include <asm/oplib.h>
 #include <asm/auxio.h>
+#include <asm/setup.h>
+#include <asm/page.h>
 #include <asm/irq.h>
 
 /* We don't need no stinkin' I/O port allocation crap. */
@@ -49,7 +50,6 @@ struct sun_flpy_controller {
 
 /* You'll only ever find one controller on a SparcStation anyways. */
 static struct sun_flpy_controller *sun_fdc = NULL;
-extern volatile unsigned char *fdc_status;
 
 struct sun_floppy_ops {
 	unsigned char (*fd_inb)(int port);
@@ -212,13 +212,6 @@ static void sun_82077_fd_outb(unsigned char value, int port)
  * underruns.  If non-zero, doing_pdma encodes the direction of
  * the transfer for debugging.  1=read 2=write
  */
-extern char *pdma_vaddr;
-extern unsigned long pdma_size;
-extern volatile int doing_pdma;
-
-/* This is software state */
-extern char *pdma_base;
-extern unsigned long pdma_areasize;
 
 /* Common routines to all controller types on the Sparc. */
 static inline void virtual_dma_init(void)
@@ -263,8 +256,7 @@ static inline void sun_fd_enable_dma(void)
 	pdma_areasize = pdma_size;
 }
 
-extern int sparc_floppy_request_irq(unsigned int irq,
-                                    irq_handler_t irq_handler);
+int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler);
 
 static int sun_fd_request_irq(void)
 {
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index 7c90c50c200d..625756406a7e 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -296,7 +296,7 @@ struct sun_pci_dma_op {
 static struct sun_pci_dma_op sun_pci_dma_current = { -1U, 0, 0, NULL};
 static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL};
 
-extern irqreturn_t floppy_interrupt(int irq, void *dev_id);
+irqreturn_t floppy_interrupt(int irq, void *dev_id);
 
 static unsigned char sun_pci_fd_inb(unsigned long port)
 {
diff --git a/arch/sparc/include/asm/ftrace.h b/arch/sparc/include/asm/ftrace.h
index b0f18e9893db..9ec94ad116fb 100644
--- a/arch/sparc/include/asm/ftrace.h
+++ b/arch/sparc/include/asm/ftrace.h
@@ -6,7 +6,7 @@
 #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
 
 #ifndef __ASSEMBLY__
-extern void _mcount(void);
+void _mcount(void);
 #endif
 
 #endif
@@ -22,4 +22,8 @@ struct dyn_arch_ftrace {
 };
 #endif /*  CONFIG_DYNAMIC_FTRACE */
 
+unsigned long prepare_ftrace_return(unsigned long parent,
+				    unsigned long self_addr,
+				    unsigned long frame_pointer);
+
 #endif /* _ASM_SPARC64_FTRACE */
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h
index 4f9e15c757e2..92ded294a4ec 100644
--- a/arch/sparc/include/asm/highmem.h
+++ b/arch/sparc/include/asm/highmem.h
@@ -31,7 +31,7 @@ extern unsigned long highstart_pfn, highend_pfn;
 extern pgprot_t kmap_prot;
 extern pte_t *pkmap_page_table;
 
-extern void kmap_init(void) __init;
+void kmap_init(void) __init;
 
 /*
  * Right now we initialize only a single pte table. It can be extended
@@ -49,8 +49,8 @@ extern void kmap_init(void) __init;
 
 #define PKMAP_END (PKMAP_ADDR(LAST_PKMAP))
 
-extern void *kmap_high(struct page *page);
-extern void kunmap_high(struct page *page);
+void *kmap_high(struct page *page);
+void kunmap_high(struct page *page);
 
 static inline void *kmap(struct page *page)
 {
@@ -68,8 +68,8 @@ static inline void kunmap(struct page *page)
 	kunmap_high(page);
 }
 
-extern void *kmap_atomic(struct page *page);
-extern void __kunmap_atomic(void *kvaddr);
+void *kmap_atomic(struct page *page);
+void __kunmap_atomic(void *kvaddr);
 
 #define flush_cache_kmaps()	flush_cache_all()
 
diff --git a/arch/sparc/include/asm/hvtramp.h b/arch/sparc/include/asm/hvtramp.h
index b2b9b947b3a4..04b56f862bbe 100644
--- a/arch/sparc/include/asm/hvtramp.h
+++ b/arch/sparc/include/asm/hvtramp.h
@@ -19,7 +19,7 @@ struct hvtramp_descr {
 	struct hvtramp_mapping	maps[1];
 };
 
-extern void hv_cpu_startup(unsigned long hvdescr_pa);
+void hv_cpu_startup(unsigned long hvdescr_pa);
 
 #endif
 
diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h
index ca121f0fa3ec..94b39caea3eb 100644
--- a/arch/sparc/include/asm/hypervisor.h
+++ b/arch/sparc/include/asm/hypervisor.h
@@ -98,7 +98,7 @@
 #define HV_FAST_MACH_EXIT		0x00
 
 #ifndef __ASSEMBLY__
-extern void sun4v_mach_exit(unsigned long exit_code);
+void sun4v_mach_exit(unsigned long exit_code);
 #endif
 
 /* Domain services.  */
@@ -127,9 +127,9 @@ extern void sun4v_mach_exit(unsigned long exit_code);
 #define HV_FAST_MACH_DESC		0x01
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_mach_desc(unsigned long buffer_pa,
-				     unsigned long buf_len,
-				     unsigned long *real_buf_len);
+unsigned long sun4v_mach_desc(unsigned long buffer_pa,
+			      unsigned long buf_len,
+			      unsigned long *real_buf_len);
 #endif
 
 /* mach_sir()
@@ -148,7 +148,7 @@ extern unsigned long sun4v_mach_desc(unsigned long buffer_pa,
 #define HV_FAST_MACH_SIR		0x02
 
 #ifndef __ASSEMBLY__
-extern void sun4v_mach_sir(void);
+void sun4v_mach_sir(void);
 #endif
 
 /* mach_set_watchdog()
@@ -204,8 +204,8 @@ extern void sun4v_mach_sir(void);
 #define HV_FAST_MACH_SET_WATCHDOG	0x05
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_mach_set_watchdog(unsigned long timeout,
-					     unsigned long *orig_timeout);
+unsigned long sun4v_mach_set_watchdog(unsigned long timeout,
+				      unsigned long *orig_timeout);
 #endif
 
 /* CPU services.
@@ -250,10 +250,10 @@ extern unsigned long sun4v_mach_set_watchdog(unsigned long timeout,
 #define HV_FAST_CPU_START		0x10
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_cpu_start(unsigned long cpuid,
-				     unsigned long pc,
-				     unsigned long rtba,
-				     unsigned long arg0);
+unsigned long sun4v_cpu_start(unsigned long cpuid,
+			      unsigned long pc,
+			      unsigned long rtba,
+			      unsigned long arg0);
 #endif
 
 /* cpu_stop()
@@ -278,7 +278,7 @@ extern unsigned long sun4v_cpu_start(unsigned long cpuid,
 #define HV_FAST_CPU_STOP		0x11
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_cpu_stop(unsigned long cpuid);
+unsigned long sun4v_cpu_stop(unsigned long cpuid);
 #endif
 
 /* cpu_yield()
@@ -295,7 +295,7 @@ extern unsigned long sun4v_cpu_stop(unsigned long cpuid);
 #define HV_FAST_CPU_YIELD		0x12
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_cpu_yield(void);
+unsigned long sun4v_cpu_yield(void);
 #endif
 
 /* cpu_qconf()
@@ -341,9 +341,9 @@ extern unsigned long sun4v_cpu_yield(void);
 #define  HV_CPU_QUEUE_NONRES_ERROR	 0x3f
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_cpu_qconf(unsigned long type,
-				     unsigned long queue_paddr,
-				     unsigned long num_queue_entries);
+unsigned long sun4v_cpu_qconf(unsigned long type,
+			      unsigned long queue_paddr,
+			      unsigned long num_queue_entries);
 #endif
 
 /* cpu_qinfo()
@@ -394,7 +394,9 @@ extern unsigned long sun4v_cpu_qconf(unsigned long type,
 #define HV_FAST_CPU_MONDO_SEND		0x42
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count, unsigned long cpu_list_pa, unsigned long mondo_block_pa);
+unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count,
+				   unsigned long cpu_list_pa,
+				   unsigned long mondo_block_pa);
 #endif
 
 /* cpu_myid()
@@ -425,7 +427,7 @@ extern unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count, unsigned long
 #define  HV_CPU_STATE_ERROR		 0x03
 
 #ifndef __ASSEMBLY__
-extern long sun4v_cpu_state(unsigned long cpuid);
+long sun4v_cpu_state(unsigned long cpuid);
 #endif
 
 /* cpu_set_rtba()
@@ -625,8 +627,8 @@ struct hv_fault_status {
 #define HV_FAST_MMU_TSB_CTX0		0x20
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions,
-					unsigned long tsb_desc_ra);
+unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions,
+				 unsigned long tsb_desc_ra);
 #endif
 
 /* mmu_tsb_ctxnon0()
@@ -710,7 +712,7 @@ extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions,
 #define HV_FAST_MMU_DEMAP_ALL		0x24
 
 #ifndef __ASSEMBLY__
-extern void sun4v_mmu_demap_all(void);
+void sun4v_mmu_demap_all(void);
 #endif
 
 /* mmu_map_perm_addr()
@@ -740,10 +742,10 @@ extern void sun4v_mmu_demap_all(void);
 #define HV_FAST_MMU_MAP_PERM_ADDR	0x25
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr,
-					     unsigned long set_to_zero,
-					     unsigned long tte,
-					     unsigned long flags);
+unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr,
+				      unsigned long set_to_zero,
+				      unsigned long tte,
+				      unsigned long flags);
 #endif
 
 /* mmu_fault_area_conf()
@@ -945,7 +947,7 @@ extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr,
 #define HV_FAST_TOD_GET			0x50
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_tod_get(unsigned long *time);
+unsigned long sun4v_tod_get(unsigned long *time);
 #endif
 
 /* tod_set()
@@ -962,7 +964,7 @@ extern unsigned long sun4v_tod_get(unsigned long *time);
 #define HV_FAST_TOD_SET			0x51
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_tod_set(unsigned long time);
+unsigned long sun4v_tod_set(unsigned long time);
 #endif
 
 /* Console services */
@@ -1038,14 +1040,14 @@ extern unsigned long sun4v_tod_set(unsigned long time);
 #define HV_FAST_CONS_WRITE		0x63
 
 #ifndef __ASSEMBLY__
-extern long sun4v_con_getchar(long *status);
-extern long sun4v_con_putchar(long c);
-extern long sun4v_con_read(unsigned long buffer,
-			   unsigned long size,
-			   unsigned long *bytes_read);
-extern unsigned long sun4v_con_write(unsigned long buffer,
-				     unsigned long size,
-				     unsigned long *bytes_written);
+long sun4v_con_getchar(long *status);
+long sun4v_con_putchar(long c);
+long sun4v_con_read(unsigned long buffer,
+		    unsigned long size,
+		    unsigned long *bytes_read);
+unsigned long sun4v_con_write(unsigned long buffer,
+			      unsigned long size,
+			      unsigned long *bytes_written);
 #endif
 
 /* mach_set_soft_state()
@@ -1080,8 +1082,8 @@ extern unsigned long sun4v_con_write(unsigned long buffer,
 #define  HV_SOFT_STATE_TRANSITION	 0x02
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_mach_set_soft_state(unsigned long soft_state,
-					       unsigned long msg_string_ra);
+unsigned long sun4v_mach_set_soft_state(unsigned long soft_state,
+				        unsigned long msg_string_ra);
 #endif
 
 /* mach_get_soft_state()
@@ -1159,20 +1161,20 @@ extern unsigned long sun4v_mach_set_soft_state(unsigned long soft_state,
 #define HV_FAST_SVC_CLRSTATUS		0x84
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_svc_send(unsigned long svc_id,
-				    unsigned long buffer,
-				    unsigned long buffer_size,
-				    unsigned long *sent_bytes);
-extern unsigned long sun4v_svc_recv(unsigned long svc_id,
-				    unsigned long buffer,
-				    unsigned long buffer_size,
-				    unsigned long *recv_bytes);
-extern unsigned long sun4v_svc_getstatus(unsigned long svc_id,
-					 unsigned long *status_bits);
-extern unsigned long sun4v_svc_setstatus(unsigned long svc_id,
-					 unsigned long status_bits);
-extern unsigned long sun4v_svc_clrstatus(unsigned long svc_id,
-					 unsigned long status_bits);
+unsigned long sun4v_svc_send(unsigned long svc_id,
+			     unsigned long buffer,
+			     unsigned long buffer_size,
+			     unsigned long *sent_bytes);
+unsigned long sun4v_svc_recv(unsigned long svc_id,
+			     unsigned long buffer,
+			     unsigned long buffer_size,
+			     unsigned long *recv_bytes);
+unsigned long sun4v_svc_getstatus(unsigned long svc_id,
+				  unsigned long *status_bits);
+unsigned long sun4v_svc_setstatus(unsigned long svc_id,
+				  unsigned long status_bits);
+unsigned long sun4v_svc_clrstatus(unsigned long svc_id,
+				  unsigned long status_bits);
 #endif
 
 /* Trap trace services.
@@ -1458,8 +1460,8 @@ struct hv_trap_trace_entry {
 #define HV_FAST_INTR_DEVINO2SYSINO	0xa0
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_devino_to_sysino(unsigned long devhandle,
-					    unsigned long devino);
+unsigned long sun4v_devino_to_sysino(unsigned long devhandle,
+				     unsigned long devino);
 #endif
 
 /* intr_getenabled()
@@ -1476,7 +1478,7 @@ extern unsigned long sun4v_devino_to_sysino(unsigned long devhandle,
 #define HV_FAST_INTR_GETENABLED		0xa1
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_intr_getenabled(unsigned long sysino);
+unsigned long sun4v_intr_getenabled(unsigned long sysino);
 #endif
 
 /* intr_setenabled()
@@ -1492,7 +1494,8 @@ extern unsigned long sun4v_intr_getenabled(unsigned long sysino);
 #define HV_FAST_INTR_SETENABLED		0xa2
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_intr_setenabled(unsigned long sysino, unsigned long intr_enabled);
+unsigned long sun4v_intr_setenabled(unsigned long sysino,
+				    unsigned long intr_enabled);
 #endif
 
 /* intr_getstate()
@@ -1508,7 +1511,7 @@ extern unsigned long sun4v_intr_setenabled(unsigned long sysino, unsigned long i
 #define HV_FAST_INTR_GETSTATE		0xa3
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_intr_getstate(unsigned long sysino);
+unsigned long sun4v_intr_getstate(unsigned long sysino);
 #endif
 
 /* intr_setstate()
@@ -1528,7 +1531,7 @@ extern unsigned long sun4v_intr_getstate(unsigned long sysino);
 #define HV_FAST_INTR_SETSTATE		0xa4
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_intr_setstate(unsigned long sysino, unsigned long intr_state);
+unsigned long sun4v_intr_setstate(unsigned long sysino, unsigned long intr_state);
 #endif
 
 /* intr_gettarget()
@@ -1546,7 +1549,7 @@ extern unsigned long sun4v_intr_setstate(unsigned long sysino, unsigned long int
 #define HV_FAST_INTR_GETTARGET		0xa5
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_intr_gettarget(unsigned long sysino);
+unsigned long sun4v_intr_gettarget(unsigned long sysino);
 #endif
 
 /* intr_settarget()
@@ -1563,7 +1566,7 @@ extern unsigned long sun4v_intr_gettarget(unsigned long sysino);
 #define HV_FAST_INTR_SETTARGET		0xa6
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cpuid);
+unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cpuid);
 #endif
 
 /* vintr_get_cookie()
@@ -1647,30 +1650,30 @@ extern unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cp
 #define HV_FAST_VINTR_SET_TARGET	0xae
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_vintr_get_cookie(unsigned long dev_handle,
-					    unsigned long dev_ino,
-					    unsigned long *cookie);
-extern unsigned long sun4v_vintr_set_cookie(unsigned long dev_handle,
-					    unsigned long dev_ino,
-					    unsigned long cookie);
-extern unsigned long sun4v_vintr_get_valid(unsigned long dev_handle,
-					   unsigned long dev_ino,
-					   unsigned long *valid);
-extern unsigned long sun4v_vintr_set_valid(unsigned long dev_handle,
-					   unsigned long dev_ino,
-					   unsigned long valid);
-extern unsigned long sun4v_vintr_get_state(unsigned long dev_handle,
-					   unsigned long dev_ino,
-					   unsigned long *state);
-extern unsigned long sun4v_vintr_set_state(unsigned long dev_handle,
-					   unsigned long dev_ino,
-					   unsigned long state);
-extern unsigned long sun4v_vintr_get_target(unsigned long dev_handle,
-					    unsigned long dev_ino,
-					    unsigned long *cpuid);
-extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle,
-					    unsigned long dev_ino,
-					    unsigned long cpuid);
+unsigned long sun4v_vintr_get_cookie(unsigned long dev_handle,
+				     unsigned long dev_ino,
+				     unsigned long *cookie);
+unsigned long sun4v_vintr_set_cookie(unsigned long dev_handle,
+				     unsigned long dev_ino,
+				     unsigned long cookie);
+unsigned long sun4v_vintr_get_valid(unsigned long dev_handle,
+				    unsigned long dev_ino,
+				    unsigned long *valid);
+unsigned long sun4v_vintr_set_valid(unsigned long dev_handle,
+				    unsigned long dev_ino,
+				    unsigned long valid);
+unsigned long sun4v_vintr_get_state(unsigned long dev_handle,
+				    unsigned long dev_ino,
+				    unsigned long *state);
+unsigned long sun4v_vintr_set_state(unsigned long dev_handle,
+				    unsigned long dev_ino,
+				    unsigned long state);
+unsigned long sun4v_vintr_get_target(unsigned long dev_handle,
+				     unsigned long dev_ino,
+				     unsigned long *cpuid);
+unsigned long sun4v_vintr_set_target(unsigned long dev_handle,
+				     unsigned long dev_ino,
+				     unsigned long cpuid);
 #endif
 
 /* PCI IO services.
@@ -2627,50 +2630,50 @@ struct ldc_mtable_entry {
 #define HV_FAST_LDC_REVOKE		0xef
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_ldc_tx_qconf(unsigned long channel,
-					unsigned long ra,
-					unsigned long num_entries);
-extern unsigned long sun4v_ldc_tx_qinfo(unsigned long channel,
-					unsigned long *ra,
-					unsigned long *num_entries);
-extern unsigned long sun4v_ldc_tx_get_state(unsigned long channel,
-					    unsigned long *head_off,
-					    unsigned long *tail_off,
-					    unsigned long *chan_state);
-extern unsigned long sun4v_ldc_tx_set_qtail(unsigned long channel,
-					    unsigned long tail_off);
-extern unsigned long sun4v_ldc_rx_qconf(unsigned long channel,
-					unsigned long ra,
-					unsigned long num_entries);
-extern unsigned long sun4v_ldc_rx_qinfo(unsigned long channel,
-					unsigned long *ra,
-					unsigned long *num_entries);
-extern unsigned long sun4v_ldc_rx_get_state(unsigned long channel,
-					    unsigned long *head_off,
-					    unsigned long *tail_off,
-					    unsigned long *chan_state);
-extern unsigned long sun4v_ldc_rx_set_qhead(unsigned long channel,
-					    unsigned long head_off);
-extern unsigned long sun4v_ldc_set_map_table(unsigned long channel,
-					     unsigned long ra,
-					     unsigned long num_entries);
-extern unsigned long sun4v_ldc_get_map_table(unsigned long channel,
-					     unsigned long *ra,
-					     unsigned long *num_entries);
-extern unsigned long sun4v_ldc_copy(unsigned long channel,
-				    unsigned long dir_code,
-				    unsigned long tgt_raddr,
-				    unsigned long lcl_raddr,
-				    unsigned long len,
-				    unsigned long *actual_len);
-extern unsigned long sun4v_ldc_mapin(unsigned long channel,
-				     unsigned long cookie,
-				     unsigned long *ra,
-				     unsigned long *perm);
-extern unsigned long sun4v_ldc_unmap(unsigned long ra);
-extern unsigned long sun4v_ldc_revoke(unsigned long channel,
-				      unsigned long cookie,
-				      unsigned long mte_cookie);
+unsigned long sun4v_ldc_tx_qconf(unsigned long channel,
+				 unsigned long ra,
+				 unsigned long num_entries);
+unsigned long sun4v_ldc_tx_qinfo(unsigned long channel,
+				 unsigned long *ra,
+				 unsigned long *num_entries);
+unsigned long sun4v_ldc_tx_get_state(unsigned long channel,
+				     unsigned long *head_off,
+				     unsigned long *tail_off,
+				     unsigned long *chan_state);
+unsigned long sun4v_ldc_tx_set_qtail(unsigned long channel,
+				     unsigned long tail_off);
+unsigned long sun4v_ldc_rx_qconf(unsigned long channel,
+				 unsigned long ra,
+				 unsigned long num_entries);
+unsigned long sun4v_ldc_rx_qinfo(unsigned long channel,
+				 unsigned long *ra,
+				 unsigned long *num_entries);
+unsigned long sun4v_ldc_rx_get_state(unsigned long channel,
+				     unsigned long *head_off,
+				     unsigned long *tail_off,
+				     unsigned long *chan_state);
+unsigned long sun4v_ldc_rx_set_qhead(unsigned long channel,
+				     unsigned long head_off);
+unsigned long sun4v_ldc_set_map_table(unsigned long channel,
+				      unsigned long ra,
+				      unsigned long num_entries);
+unsigned long sun4v_ldc_get_map_table(unsigned long channel,
+				      unsigned long *ra,
+				      unsigned long *num_entries);
+unsigned long sun4v_ldc_copy(unsigned long channel,
+			     unsigned long dir_code,
+			     unsigned long tgt_raddr,
+			     unsigned long lcl_raddr,
+			     unsigned long len,
+			     unsigned long *actual_len);
+unsigned long sun4v_ldc_mapin(unsigned long channel,
+			      unsigned long cookie,
+			      unsigned long *ra,
+			      unsigned long *perm);
+unsigned long sun4v_ldc_unmap(unsigned long ra);
+unsigned long sun4v_ldc_revoke(unsigned long channel,
+			       unsigned long cookie,
+			       unsigned long mte_cookie);
 #endif
 
 /* Performance counter services.  */
@@ -2727,14 +2730,14 @@ extern unsigned long sun4v_ldc_revoke(unsigned long channel,
 #define HV_FAST_N2_SET_PERFREG		0x105
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_niagara_getperf(unsigned long reg,
-					   unsigned long *val);
-extern unsigned long sun4v_niagara_setperf(unsigned long reg,
-					   unsigned long val);
-extern unsigned long sun4v_niagara2_getperf(unsigned long reg,
-					    unsigned long *val);
-extern unsigned long sun4v_niagara2_setperf(unsigned long reg,
-					    unsigned long val);
+unsigned long sun4v_niagara_getperf(unsigned long reg,
+				    unsigned long *val);
+unsigned long sun4v_niagara_setperf(unsigned long reg,
+				    unsigned long val);
+unsigned long sun4v_niagara2_getperf(unsigned long reg,
+				     unsigned long *val);
+unsigned long sun4v_niagara2_setperf(unsigned long reg,
+				     unsigned long val);
 #endif
 
 /* MMU statistics services.
@@ -2829,8 +2832,8 @@ struct hv_mmu_statistics {
 #define HV_FAST_MMUSTAT_INFO		0x103
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_mmustat_conf(unsigned long ra, unsigned long *orig_ra);
-extern unsigned long sun4v_mmustat_info(unsigned long *ra);
+unsigned long sun4v_mmustat_conf(unsigned long ra, unsigned long *orig_ra);
+unsigned long sun4v_mmustat_info(unsigned long *ra);
 #endif
 
 /* NCS crypto services  */
@@ -2919,9 +2922,9 @@ struct hv_ncs_qtail_update_arg {
 #define HV_FAST_NCS_REQUEST		0x110
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_ncs_request(unsigned long request,
-				       unsigned long arg_ra,
-				       unsigned long arg_size);
+unsigned long sun4v_ncs_request(unsigned long request,
+			        unsigned long arg_ra,
+			        unsigned long arg_size);
 #endif
 
 #define HV_FAST_FIRE_GET_PERFREG	0x120
@@ -2930,18 +2933,18 @@ extern unsigned long sun4v_ncs_request(unsigned long request,
 #define HV_FAST_REBOOT_DATA_SET		0x172
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_reboot_data_set(unsigned long ra,
-					   unsigned long len);
+unsigned long sun4v_reboot_data_set(unsigned long ra,
+				    unsigned long len);
 #endif
 
 #define HV_FAST_VT_GET_PERFREG		0x184
 #define HV_FAST_VT_SET_PERFREG		0x185
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_vt_get_perfreg(unsigned long reg_num,
-					  unsigned long *reg_val);
-extern unsigned long sun4v_vt_set_perfreg(unsigned long reg_num,
-					  unsigned long reg_val);
+unsigned long sun4v_vt_get_perfreg(unsigned long reg_num,
+				   unsigned long *reg_val);
+unsigned long sun4v_vt_set_perfreg(unsigned long reg_num,
+				   unsigned long reg_val);
 #endif
 
 /* Function numbers for HV_CORE_TRAP.  */
@@ -2978,21 +2981,21 @@ extern unsigned long sun4v_vt_set_perfreg(unsigned long reg_num,
 #define HV_GRP_DIAG			0x0300
 
 #ifndef __ASSEMBLY__
-extern unsigned long sun4v_get_version(unsigned long group,
-				       unsigned long *major,
-				       unsigned long *minor);
-extern unsigned long sun4v_set_version(unsigned long group,
-				       unsigned long major,
-				       unsigned long minor,
-				       unsigned long *actual_minor);
-
-extern int sun4v_hvapi_register(unsigned long group, unsigned long major,
-				unsigned long *minor);
-extern void sun4v_hvapi_unregister(unsigned long group);
-extern int sun4v_hvapi_get(unsigned long group,
-			   unsigned long *major,
-			   unsigned long *minor);
-extern void sun4v_hvapi_init(void);
+unsigned long sun4v_get_version(unsigned long group,
+			        unsigned long *major,
+			        unsigned long *minor);
+unsigned long sun4v_set_version(unsigned long group,
+			        unsigned long major,
+			        unsigned long minor,
+			        unsigned long *actual_minor);
+
+int sun4v_hvapi_register(unsigned long group, unsigned long major,
+			 unsigned long *minor);
+void sun4v_hvapi_unregister(unsigned long group);
+int sun4v_hvapi_get(unsigned long group,
+		    unsigned long *major,
+		    unsigned long *minor);
+void sun4v_hvapi_init(void);
 #endif
 
 #endif /* !(_SPARC64_HYPERVISOR_H) */
diff --git a/arch/sparc/include/asm/idprom.h b/arch/sparc/include/asm/idprom.h
index 6976aa2439c6..3793f7f91c42 100644
--- a/arch/sparc/include/asm/idprom.h
+++ b/arch/sparc/include/asm/idprom.h
@@ -20,6 +20,6 @@ struct idprom {
 };
 
 extern struct idprom *idprom;
-extern void idprom_init(void);
+void idprom_init(void);
 
 #endif /* !(_SPARC_IDPROM_H) */
diff --git a/arch/sparc/include/asm/io-unit.h b/arch/sparc/include/asm/io-unit.h
index 01ab2f613e91..04a9701e7202 100644
--- a/arch/sparc/include/asm/io-unit.h
+++ b/arch/sparc/include/asm/io-unit.h
@@ -43,7 +43,7 @@
 struct iounit_struct {
 	unsigned long		bmap[(IOUNIT_DMA_SIZE >> (PAGE_SHIFT + 3)) / sizeof(unsigned long)];
 	spinlock_t		lock;
-	iopte_t			*page_table;
+	iopte_t __iomem		*page_table;
 	unsigned long		rotor[3];
 	unsigned long		limit[4];
 };
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h
index c1acbd891cbc..9f532902627c 100644
--- a/arch/sparc/include/asm/io_32.h
+++ b/arch/sparc/include/asm/io_32.h
@@ -2,191 +2,94 @@
 #define __SPARC_IO_H
 
 #include <linux/kernel.h>
-#include <linux/types.h>
 #include <linux/ioport.h>  /* struct resource */
 
-#include <asm/page.h>      /* IO address mapping routines need this */
-#include <asm-generic/pci_iomap.h>
-
-#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
-
-static inline u32 flip_dword (u32 l)
-{
-	return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff);
-}
-
-static inline u16 flip_word (u16 w)
-{
-	return ((w&0xff) << 8) | ((w>>8)&0xff);
-}
-
-#define mmiowb()
-
-/*
- * Memory mapped I/O to PCI
- */
-
-static inline u8 __raw_readb(const volatile void __iomem *addr)
-{
-	return *(__force volatile u8 *)addr;
-}
-
-static inline u16 __raw_readw(const volatile void __iomem *addr)
-{
-	return *(__force volatile u16 *)addr;
-}
-
-static inline u32 __raw_readl(const volatile void __iomem *addr)
-{
-	return *(__force volatile u32 *)addr;
-}
+#define readb_relaxed(__addr)	readb(__addr)
+#define readw_relaxed(__addr)	readw(__addr)
+#define readl_relaxed(__addr)	readl(__addr)
 
-static inline void __raw_writeb(u8 b, volatile void __iomem *addr)
-{
-	*(__force volatile u8 *)addr = b;
-}
+#define IO_SPACE_LIMIT 0xffffffff
 
-static inline void __raw_writew(u16 w, volatile void __iomem *addr)
-{
-	*(__force volatile u16 *)addr = w;
-}
+#define memset_io(d,c,sz)     _memset_io(d,c,sz)
+#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
+#define memcpy_toio(d,s,sz)   _memcpy_toio(d,s,sz)
 
-static inline void __raw_writel(u32 l, volatile void __iomem *addr)
-{
-	*(__force volatile u32 *)addr = l;
-}
+#include <asm-generic/io.h>
 
-static inline u8 __readb(const volatile void __iomem *addr)
+static inline void _memset_io(volatile void __iomem *dst,
+                              int c, __kernel_size_t n)
 {
-	return *(__force volatile u8 *)addr;
-}
+	volatile void __iomem *d = dst;
 
-static inline u16 __readw(const volatile void __iomem *addr)
-{
-	return flip_word(*(__force volatile u16 *)addr);
+	while (n--) {
+		writeb(c, d);
+		d++;
+	}
 }
 
-static inline u32 __readl(const volatile void __iomem *addr)
+static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
+                                  __kernel_size_t n)
 {
-	return flip_dword(*(__force volatile u32 *)addr);
-}
+	char *d = dst;
 
-static inline void __writeb(u8 b, volatile void __iomem *addr)
-{
-	*(__force volatile u8 *)addr = b;
+	while (n--) {
+		char tmp = readb(src);
+		*d++ = tmp;
+		src++;
+	}
 }
 
-static inline void __writew(u16 w, volatile void __iomem *addr)
+static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
+                                __kernel_size_t n)
 {
-	*(__force volatile u16 *)addr = flip_word(w);
-}
+	const char *s = src;
+	volatile void __iomem *d = dst;
 
-static inline void __writel(u32 l, volatile void __iomem *addr)
-{
-	*(__force volatile u32 *)addr = flip_dword(l);
+	while (n--) {
+		char tmp = *s++;
+		writeb(tmp, d);
+		d++;
+	}
 }
 
-#define readb(__addr)		__readb(__addr)
-#define readw(__addr)		__readw(__addr)
-#define readl(__addr)		__readl(__addr)
-#define readb_relaxed(__addr)	readb(__addr)
-#define readw_relaxed(__addr)	readw(__addr)
-#define readl_relaxed(__addr)	readl(__addr)
-
-#define writeb(__b, __addr)	__writeb((__b),(__addr))
-#define writew(__w, __addr)	__writew((__w),(__addr))
-#define writel(__l, __addr)	__writel((__l),(__addr))
-
-/*
- * I/O space operations
- *
- * Arrangement on a Sun is somewhat complicated.
- *
- * First of all, we want to use standard Linux drivers
- * for keyboard, PC serial, etc. These drivers think
- * they access I/O space and use inb/outb.
- * On the other hand, EBus bridge accepts PCI *memory*
- * cycles and converts them into ISA *I/O* cycles.
- * Ergo, we want inb & outb to generate PCI memory cycles.
- *
- * If we want to issue PCI *I/O* cycles, we do this
- * with a low 64K fixed window in PCIC. This window gets
- * mapped somewhere into virtual kernel space and we
- * can use inb/outb again.
- */
-#define inb_local(__addr)	__readb((void __iomem *)(unsigned long)(__addr))
-#define inb(__addr)		__readb((void __iomem *)(unsigned long)(__addr))
-#define inw(__addr)		__readw((void __iomem *)(unsigned long)(__addr))
-#define inl(__addr)		__readl((void __iomem *)(unsigned long)(__addr))
-
-#define outb_local(__b, __addr)	__writeb(__b, (void __iomem *)(unsigned long)(__addr))
-#define outb(__b, __addr)	__writeb(__b, (void __iomem *)(unsigned long)(__addr))
-#define outw(__w, __addr)	__writew(__w, (void __iomem *)(unsigned long)(__addr))
-#define outl(__l, __addr)	__writel(__l, (void __iomem *)(unsigned long)(__addr))
-
-#define inb_p(__addr)		inb(__addr)
-#define outb_p(__b, __addr)	outb(__b, __addr)
-#define inw_p(__addr)		inw(__addr)
-#define outw_p(__w, __addr)	outw(__w, __addr)
-#define inl_p(__addr)		inl(__addr)
-#define outl_p(__l, __addr)	outl(__l, __addr)
-
-void outsb(unsigned long addr, const void *src, unsigned long cnt);
-void outsw(unsigned long addr, const void *src, unsigned long cnt);
-void outsl(unsigned long addr, const void *src, unsigned long cnt);
-void insb(unsigned long addr, void *dst, unsigned long count);
-void insw(unsigned long addr, void *dst, unsigned long count);
-void insl(unsigned long addr, void *dst, unsigned long count);
-
-#define IO_SPACE_LIMIT 0xffffffff
-
 /*
  * SBus accessors.
  *
  * SBus has only one, memory mapped, I/O space.
  * We do not need to flip bytes for SBus of course.
  */
-static inline u8 _sbus_readb(const volatile void __iomem *addr)
+static inline u8 sbus_readb(const volatile void __iomem *addr)
 {
 	return *(__force volatile u8 *)addr;
 }
 
-static inline u16 _sbus_readw(const volatile void __iomem *addr)
+static inline u16 sbus_readw(const volatile void __iomem *addr)
 {
 	return *(__force volatile u16 *)addr;
 }
 
-static inline u32 _sbus_readl(const volatile void __iomem *addr)
+static inline u32 sbus_readl(const volatile void __iomem *addr)
 {
 	return *(__force volatile u32 *)addr;
 }
 
-static inline void _sbus_writeb(u8 b, volatile void __iomem *addr)
+static inline void sbus_writeb(u8 b, volatile void __iomem *addr)
 {
 	*(__force volatile u8 *)addr = b;
 }
 
-static inline void _sbus_writew(u16 w, volatile void __iomem *addr)
+static inline void sbus_writew(u16 w, volatile void __iomem *addr)
 {
 	*(__force volatile u16 *)addr = w;
 }
 
-static inline void _sbus_writel(u32 l, volatile void __iomem *addr)
+static inline void sbus_writel(u32 l, volatile void __iomem *addr)
 {
 	*(__force volatile u32 *)addr = l;
 }
 
-/*
- * The only reason for #define's is to hide casts to unsigned long.
- */
-#define sbus_readb(__addr)		_sbus_readb(__addr)
-#define sbus_readw(__addr)		_sbus_readw(__addr)
-#define sbus_readl(__addr)		_sbus_readl(__addr)
-#define sbus_writeb(__b, __addr)	_sbus_writeb(__b, __addr)
-#define sbus_writew(__w, __addr)	_sbus_writew(__w, __addr)
-#define sbus_writel(__l, __addr)	_sbus_writel(__l, __addr)
-
-static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n)
+static inline void sbus_memset_io(volatile void __iomem *__dst, int c,
+                                  __kernel_size_t n)
 {
 	while(n--) {
 		sbus_writeb(c, __dst);
@@ -194,22 +97,9 @@ static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_
 	}
 }
 
-static inline void
-_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n)
-{
-	volatile void __iomem *d = dst;
-
-	while (n--) {
-		writeb(c, d);
-		d++;
-	}
-}
-
-#define memset_io(d,c,sz)	_memset_io(d,c,sz)
-
-static inline void
-_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
-		    __kernel_size_t n)
+static inline void sbus_memcpy_fromio(void *dst,
+                                      const volatile void __iomem *src,
+                                      __kernel_size_t n)
 {
 	char *d = dst;
 
@@ -220,25 +110,9 @@ _sbus_memcpy_fromio(void *dst, const volatile void __iomem *src,
 	}
 }
 
-#define sbus_memcpy_fromio(d, s, sz)	_sbus_memcpy_fromio(d, s, sz)
-
-static inline void
-_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n)
-{
-	char *d = dst;
-
-	while (n--) {
-		char tmp = readb(src);
-		*d++ = tmp;
-		src++;
-	}
-}
-
-#define memcpy_fromio(d,s,sz)	_memcpy_fromio(d,s,sz)
-
-static inline void
-_sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
-		  __kernel_size_t n)
+static inline void sbus_memcpy_toio(volatile void __iomem *dst,
+                                    const void *src,
+                                    __kernel_size_t n)
 {
 	const char *s = src;
 	volatile void __iomem *d = dst;
@@ -250,81 +124,26 @@ _sbus_memcpy_toio(volatile void __iomem *dst, const void *src,
 	}
 }
 
-#define sbus_memcpy_toio(d, s, sz)	_sbus_memcpy_toio(d, s, sz)
-
-static inline void
-_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n)
-{
-	const char *s = src;
-	volatile void __iomem *d = dst;
-
-	while (n--) {
-		char tmp = *s++;
-		writeb(tmp, d);
-		d++;
-	}
-}
-
-#define memcpy_toio(d,s,sz)	_memcpy_toio(d,s,sz)
-
 #ifdef __KERNEL__
 
 /*
  * Bus number may be embedded in the higher bits of the physical address.
  * This is why we have no bus number argument to ioremap().
  */
-extern void __iomem *ioremap(unsigned long offset, unsigned long size);
+void __iomem *ioremap(unsigned long offset, unsigned long size);
 #define ioremap_nocache(X,Y)	ioremap((X),(Y))
 #define ioremap_wc(X,Y)		ioremap((X),(Y))
-extern void iounmap(volatile void __iomem *addr);
-
-#define ioread8(X)			readb(X)
-#define ioread16(X)			readw(X)
-#define ioread16be(X)			__raw_readw(X)
-#define ioread32(X)			readl(X)
-#define ioread32be(X)			__raw_readl(X)
-#define iowrite8(val,X)			writeb(val,X)
-#define iowrite16(val,X)		writew(val,X)
-#define iowrite16be(val,X)		__raw_writew(val,X)
-#define iowrite32(val,X)		writel(val,X)
-#define iowrite32be(val,X)		__raw_writel(val,X)
-
-static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
-{
-	insb((unsigned long __force)port, buf, count);
-}
-static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count)
-{
-	insw((unsigned long __force)port, buf, count);
-}
-
-static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count)
-{
-	insl((unsigned long __force)port, buf, count);
-}
-
-static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count)
-{
-	outsb((unsigned long __force)port, buf, count);
-}
-
-static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count)
-{
-	outsw((unsigned long __force)port, buf, count);
-}
-
-static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count)
-{
-	outsl((unsigned long __force)port, buf, count);
-}
+void iounmap(volatile void __iomem *addr);
 
 /* Create a virtual mapping cookie for an IO port range */
-extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
-extern void ioport_unmap(void __iomem *);
+void __iomem *ioport_map(unsigned long port, unsigned int nr);
+void ioport_unmap(void __iomem *);
 
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 struct pci_dev;
-extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+void pci_iounmap(struct pci_dev *dev, void __iomem *);
+
+
 
 /*
  * At the moment, we do not use CMOS_READ anywhere outside of rtc.c,
@@ -343,21 +162,11 @@ static inline int sbus_can_burst64(void)
 	return 0; /* actually, sparc_cpu_model==sun4d */
 }
 struct device;
-extern void sbus_set_sbus64(struct device *, int);
+void sbus_set_sbus64(struct device *, int);
 
 #endif
 
 #define __ARCH_HAS_NO_PAGE_ZERO_MAPPED		1
 
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#define xlate_dev_mem_ptr(p)	__va(p)
-
-/*
- * Convert a virtual cached pointer to an uncached pointer
- */
-#define xlate_dev_kmem_ptr(p)	p
 
 #endif /* !(__SPARC_IO_H) */
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 09b0b88aeb2a..05381c3a4228 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -15,7 +15,6 @@
 
 /* BIO layer definitions. */
 extern unsigned long kern_base, kern_size;
-#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
 
 static inline u8 _inb(unsigned long addr)
 {
@@ -91,12 +90,12 @@ static inline void _outl(u32 l, unsigned long addr)
 #define inl_p(__addr)		inl(__addr)
 #define outl_p(__l, __addr)	outl(__l, __addr)
 
-extern void outsb(unsigned long, const void *, unsigned long);
-extern void outsw(unsigned long, const void *, unsigned long);
-extern void outsl(unsigned long, const void *, unsigned long);
-extern void insb(unsigned long, void *, unsigned long);
-extern void insw(unsigned long, void *, unsigned long);
-extern void insl(unsigned long, void *, unsigned long);
+void outsb(unsigned long, const void *, unsigned long);
+void outsw(unsigned long, const void *, unsigned long);
+void outsl(unsigned long, const void *, unsigned long);
+void insb(unsigned long, void *, unsigned long);
+void insw(unsigned long, void *, unsigned long);
+void insl(unsigned long, void *, unsigned long);
 
 static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
 {
@@ -509,12 +508,12 @@ static inline void iounmap(volatile void __iomem *addr)
 #define iowrite32be(val,X)		__raw_writel(val,X)
 
 /* Create a virtual mapping cookie for an IO port range */
-extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
-extern void ioport_unmap(void __iomem *);
+void __iomem *ioport_map(unsigned long port, unsigned int nr);
+void ioport_unmap(void __iomem *);
 
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 struct pci_dev;
-extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+void pci_iounmap(struct pci_dev *dev, void __iomem *);
 
 static inline int sbus_can_dma_64bit(void)
 {
@@ -525,7 +524,7 @@ static inline int sbus_can_burst64(void)
 	return 1;
 }
 struct device;
-extern void sbus_set_sbus64(struct device *, int);
+void sbus_set_sbus64(struct device *, int);
 
 /*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
diff --git a/arch/sparc/include/asm/iommu_32.h b/arch/sparc/include/asm/iommu_32.h
index 70c589c05a10..f6c066b52fd6 100644
--- a/arch/sparc/include/asm/iommu_32.h
+++ b/arch/sparc/include/asm/iommu_32.h
@@ -99,7 +99,7 @@ struct iommu_regs {
 #define IOPTE_WAZ           0x00000001 /* Write as zeros */
 
 struct iommu_struct {
-	struct iommu_regs *regs;
+	struct iommu_regs __iomem *regs;
 	iopte_t *page_table;
 	/* For convenience */
 	unsigned long start; /* First managed virtual address */
@@ -108,14 +108,14 @@ struct iommu_struct {
 	struct bit_map usemap;
 };
 
-static inline void iommu_invalidate(struct iommu_regs *regs)
+static inline void iommu_invalidate(struct iommu_regs __iomem *regs)
 {
-	regs->tlbflush = 0;
+	sbus_writel(0, &regs->tlbflush);
 }
 
-static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long ba)
+static inline void iommu_invalidate_page(struct iommu_regs __iomem *regs, unsigned long ba)
 {
-	regs->pageflush = (ba & PAGE_MASK);
+	sbus_writel(ba & PAGE_MASK, &regs->pageflush);
 }
 
 #endif /* !(_SPARC_IOMMU_H) */
diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h
index caf798b56191..2b9321ab064d 100644
--- a/arch/sparc/include/asm/iommu_64.h
+++ b/arch/sparc/include/asm/iommu_64.h
@@ -58,8 +58,8 @@ struct strbuf {
 	volatile unsigned long	__flushflag_buf[(64+(64-1)) / sizeof(long)];
 };
 
-extern int iommu_table_init(struct iommu *iommu, int tsbsize,
-			    u32 dma_offset, u32 dma_addr_mask,
-			    int numa_node);
+int iommu_table_init(struct iommu *iommu, int tsbsize,
+		     u32 dma_offset, u32 dma_addr_mask,
+		     int numa_node);
 
 #endif /* !(_SPARC64_IOMMU_H) */
diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h
index 2ae3acaeb1b3..eecd3d8442c9 100644
--- a/arch/sparc/include/asm/irq_32.h
+++ b/arch/sparc/include/asm/irq_32.h
@@ -16,7 +16,8 @@
 
 #define irq_canonicalize(irq)	(irq)
 
-extern void __init init_IRQ(void);
+void __init init_IRQ(void);
+void __init sun4d_init_sbi_irq(void);
 
 #define NO_IRQ		0xffffffff
 
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index abf6afe82ca8..375cffcf7dbd 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -39,32 +39,32 @@
  */
 #define NR_IRQS    255
 
-extern void irq_install_pre_handler(int irq,
-				    void (*func)(unsigned int, void *, void *),
-				    void *arg1, void *arg2);
+void irq_install_pre_handler(int irq,
+			     void (*func)(unsigned int, void *, void *),
+			     void *arg1, void *arg2);
 #define irq_canonicalize(irq)	(irq)
-extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap);
-extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
-extern unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino);
-extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *irq_p,
-				    unsigned int msi_devino_start,
-				    unsigned int msi_devino_end);
-extern void sun4v_destroy_msi(unsigned int irq);
-extern unsigned int sun4u_build_msi(u32 portid, unsigned int *irq_p,
-				    unsigned int msi_devino_start,
-				    unsigned int msi_devino_end,
-				    unsigned long imap_base,
-				    unsigned long iclr_base);
-extern void sun4u_destroy_msi(unsigned int irq);
-
-extern unsigned char irq_alloc(unsigned int dev_handle,
-				    unsigned int dev_ino);
+unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap);
+unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
+unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino);
+unsigned int sun4v_build_msi(u32 devhandle, unsigned int *irq_p,
+			     unsigned int msi_devino_start,
+			     unsigned int msi_devino_end);
+void sun4v_destroy_msi(unsigned int irq);
+unsigned int sun4u_build_msi(u32 portid, unsigned int *irq_p,
+			     unsigned int msi_devino_start,
+			     unsigned int msi_devino_end,
+			     unsigned long imap_base,
+			     unsigned long iclr_base);
+void sun4u_destroy_msi(unsigned int irq);
+
+unsigned char irq_alloc(unsigned int dev_handle,
+			unsigned int dev_ino);
 #ifdef CONFIG_PCI_MSI
-extern void irq_free(unsigned int irq);
+void irq_free(unsigned int irq);
 #endif
 
-extern void __init init_IRQ(void);
-extern void fixup_irqs(void);
+void __init init_IRQ(void);
+void fixup_irqs(void);
 
 static inline void set_softint(unsigned long bits)
 {
diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h
index e414c06615c1..71cc284f55c5 100644
--- a/arch/sparc/include/asm/irqflags_32.h
+++ b/arch/sparc/include/asm/irqflags_32.h
@@ -15,9 +15,9 @@
 #include <linux/types.h>
 #include <asm/psr.h>
 
-extern void arch_local_irq_restore(unsigned long);
-extern unsigned long arch_local_irq_save(void);
-extern void arch_local_irq_enable(void);
+void arch_local_irq_restore(unsigned long);
+unsigned long arch_local_irq_save(void);
+void arch_local_irq_enable(void);
 
 static inline notrace unsigned long arch_local_save_flags(void)
 {
diff --git a/arch/sparc/include/asm/kdebug_64.h b/arch/sparc/include/asm/kdebug_64.h
index feb3578e12c4..04465de8f3b5 100644
--- a/arch/sparc/include/asm/kdebug_64.h
+++ b/arch/sparc/include/asm/kdebug_64.h
@@ -3,7 +3,7 @@
 
 struct pt_regs;
 
-extern void bad_trap(struct pt_regs *, long);
+void bad_trap(struct pt_regs *, long);
 
 /* Grossly misnamed. */
 enum die_val {
diff --git a/arch/sparc/include/asm/kgdb.h b/arch/sparc/include/asm/kgdb.h
index b6ef301d05bf..47366af7a589 100644
--- a/arch/sparc/include/asm/kgdb.h
+++ b/arch/sparc/include/asm/kgdb.h
@@ -28,9 +28,12 @@ enum regnames {
 #define NUMREGBYTES		((GDB_CSR + 1) * 4)
 #else
 #define NUMREGBYTES		((GDB_Y + 1) * 8)
+
+struct pt_regs;
+asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs);
 #endif
 
-extern void arch_kgdb_breakpoint(void);
+void arch_kgdb_breakpoint(void);
 
 #define BREAK_INSTR_SIZE	4
 #define CACHE_FLUSH_IS_SAFE	1
diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h
index 5879d71afdaa..a145d798e112 100644
--- a/arch/sparc/include/asm/kprobes.h
+++ b/arch/sparc/include/asm/kprobes.h
@@ -43,7 +43,9 @@ struct kprobe_ctlblk {
 	struct prev_kprobe prev_kprobe;
 };
 
-extern int kprobe_exceptions_notify(struct notifier_block *self,
-				    unsigned long val, void *data);
-extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
+int kprobe_exceptions_notify(struct notifier_block *self,
+			     unsigned long val, void *data);
+int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
+asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
+				      struct pt_regs *regs);
 #endif /* _SPARC64_KPROBES_H */
diff --git a/arch/sparc/include/asm/ldc.h b/arch/sparc/include/asm/ldc.h
index bdb524a7b814..c8c67f621f4f 100644
--- a/arch/sparc/include/asm/ldc.h
+++ b/arch/sparc/include/asm/ldc.h
@@ -4,9 +4,9 @@
 #include <asm/hypervisor.h>
 
 extern int ldom_domaining_enabled;
-extern void ldom_set_var(const char *var, const char *value);
-extern void ldom_reboot(const char *boot_command);
-extern void ldom_power_off(void);
+void ldom_set_var(const char *var, const char *value);
+void ldom_reboot(const char *boot_command);
+void ldom_power_off(void);
 
 /* The event handler will be evoked when link state changes
  * or data becomes available on the receive side.
@@ -51,30 +51,30 @@ struct ldc_channel_config {
 struct ldc_channel;
 
 /* Allocate state for a channel.  */
-extern struct ldc_channel *ldc_alloc(unsigned long id,
-				     const struct ldc_channel_config *cfgp,
-				     void *event_arg);
+struct ldc_channel *ldc_alloc(unsigned long id,
+			      const struct ldc_channel_config *cfgp,
+			      void *event_arg);
 
 /* Shut down and free state for a channel.  */
-extern void ldc_free(struct ldc_channel *lp);
+void ldc_free(struct ldc_channel *lp);
 
 /* Register TX and RX queues of the link with the hypervisor.  */
-extern int ldc_bind(struct ldc_channel *lp, const char *name);
+int ldc_bind(struct ldc_channel *lp, const char *name);
 
 /* For non-RAW protocols we need to complete a handshake before
  * communication can proceed.  ldc_connect() does that, if the
  * handshake completes successfully, an LDC_EVENT_UP event will
  * be sent up to the driver.
  */
-extern int ldc_connect(struct ldc_channel *lp);
-extern int ldc_disconnect(struct ldc_channel *lp);
+int ldc_connect(struct ldc_channel *lp);
+int ldc_disconnect(struct ldc_channel *lp);
 
-extern int ldc_state(struct ldc_channel *lp);
+int ldc_state(struct ldc_channel *lp);
 
 /* Read and write operations.  Only valid when the link is up.  */
-extern int ldc_write(struct ldc_channel *lp, const void *buf,
-		     unsigned int size);
-extern int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size);
+int ldc_write(struct ldc_channel *lp, const void *buf,
+	      unsigned int size);
+int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size);
 
 #define LDC_MAP_SHADOW	0x01
 #define LDC_MAP_DIRECT	0x02
@@ -92,22 +92,22 @@ struct ldc_trans_cookie {
 };
 
 struct scatterlist;
-extern int ldc_map_sg(struct ldc_channel *lp,
-		      struct scatterlist *sg, int num_sg,
-		      struct ldc_trans_cookie *cookies, int ncookies,
-		      unsigned int map_perm);
+int ldc_map_sg(struct ldc_channel *lp,
+	       struct scatterlist *sg, int num_sg,
+	       struct ldc_trans_cookie *cookies, int ncookies,
+	       unsigned int map_perm);
 
-extern int ldc_map_single(struct ldc_channel *lp,
-			  void *buf, unsigned int len,
-			  struct ldc_trans_cookie *cookies, int ncookies,
-			  unsigned int map_perm);
+int ldc_map_single(struct ldc_channel *lp,
+		   void *buf, unsigned int len,
+		   struct ldc_trans_cookie *cookies, int ncookies,
+		   unsigned int map_perm);
 
-extern void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies,
-		      int ncookies);
+void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies,
+	       int ncookies);
 
-extern int ldc_copy(struct ldc_channel *lp, int copy_dir,
-		    void *buf, unsigned int len, unsigned long offset,
-		    struct ldc_trans_cookie *cookies, int ncookies);
+int ldc_copy(struct ldc_channel *lp, int copy_dir,
+	     void *buf, unsigned int len, unsigned long offset,
+	     struct ldc_trans_cookie *cookies, int ncookies);
 
 static inline int ldc_get_dring_entry(struct ldc_channel *lp,
 				      void *buf, unsigned int len,
@@ -127,12 +127,12 @@ static inline int ldc_put_dring_entry(struct ldc_channel *lp,
 	return ldc_copy(lp, LDC_COPY_OUT, buf, len, offset, cookies, ncookies);
 }
 
-extern void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len,
-				 struct ldc_trans_cookie *cookies,
-				 int *ncookies, unsigned int map_perm);
+void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len,
+			  struct ldc_trans_cookie *cookies,
+			  int *ncookies, unsigned int map_perm);
 
-extern void ldc_free_exp_dring(struct ldc_channel *lp, void *buf,
-			       unsigned int len,
-			       struct ldc_trans_cookie *cookies, int ncookies);
+void ldc_free_exp_dring(struct ldc_channel *lp, void *buf,
+		        unsigned int len,
+		        struct ldc_trans_cookie *cookies, int ncookies);
 
 #endif /* _SPARC64_LDC_H */
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index c2f6ff6d7a35..204771cd74a5 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -82,8 +82,8 @@ static inline unsigned long leon_load_reg(unsigned long paddr)
 #define LEON_BYPASS_LOAD_PA(x)      leon_load_reg((unsigned long)(x))
 #define LEON_BYPASS_STORE_PA(x, v)  leon_store_reg((unsigned long)(x), (unsigned long)(v))
 
-extern void leon_switch_mm(void);
-extern void leon_init_IRQ(void);
+void leon_switch_mm(void);
+void leon_init_IRQ(void);
 
 static inline unsigned long sparc_leon3_get_dcachecfg(void)
 {
@@ -196,14 +196,14 @@ static inline int sparc_leon3_cpuid(void)
 #ifndef __ASSEMBLY__
 struct vm_area_struct;
 
-extern unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr);
-extern void leon_flush_icache_all(void);
-extern void leon_flush_dcache_all(void);
-extern void leon_flush_cache_all(void);
-extern void leon_flush_tlb_all(void);
+unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr);
+void leon_flush_icache_all(void);
+void leon_flush_dcache_all(void);
+void leon_flush_cache_all(void);
+void leon_flush_tlb_all(void);
 extern int leon_flush_during_switch;
-extern int leon_flush_needed(void);
-extern void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page);
+int leon_flush_needed(void);
+void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page);
 
 /* struct that hold LEON3 cache configuration registers */
 struct leon3_cacheregs {
@@ -217,29 +217,29 @@ struct leon3_cacheregs {
 
 struct device_node;
 struct task_struct;
-extern unsigned int leon_build_device_irq(unsigned int real_irq,
-					   irq_flow_handler_t flow_handler,
-					   const char *name, int do_ack);
-extern void leon_update_virq_handling(unsigned int virq,
-			      irq_flow_handler_t flow_handler,
-			      const char *name, int do_ack);
-extern void leon_init_timers(void);
-extern void leon_trans_init(struct device_node *dp);
-extern void leon_node_init(struct device_node *dp, struct device_node ***nextp);
-extern void init_leon(void);
-extern void poke_leonsparc(void);
-extern void leon3_getCacheRegs(struct leon3_cacheregs *regs);
+unsigned int leon_build_device_irq(unsigned int real_irq,
+				   irq_flow_handler_t flow_handler,
+				   const char *name, int do_ack);
+void leon_update_virq_handling(unsigned int virq,
+			       irq_flow_handler_t flow_handler,
+			       const char *name, int do_ack);
+void leon_init_timers(void);
+void leon_trans_init(struct device_node *dp);
+void leon_node_init(struct device_node *dp, struct device_node ***nextp);
+void init_leon(void);
+void poke_leonsparc(void);
+void leon3_getCacheRegs(struct leon3_cacheregs *regs);
 extern int leon3_ticker_irq;
 
 #ifdef CONFIG_SMP
-extern int leon_smp_nrcpus(void);
-extern void leon_clear_profile_irq(int cpu);
-extern void leon_smp_done(void);
-extern void leon_boot_cpus(void);
-extern int leon_boot_one_cpu(int i, struct task_struct *);
+int leon_smp_nrcpus(void);
+void leon_clear_profile_irq(int cpu);
+void leon_smp_done(void);
+void leon_boot_cpus(void);
+int leon_boot_one_cpu(int i, struct task_struct *);
 void leon_init_smp(void);
 void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu);
-extern irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused);
+irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused);
 
 extern unsigned int smpleon_ipi[];
 extern unsigned int linux_trap_ipi15_leon[];
diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h
index bfd3ab3092b5..049d067ed8be 100644
--- a/arch/sparc/include/asm/leon_pci.h
+++ b/arch/sparc/include/asm/leon_pci.h
@@ -16,7 +16,7 @@ struct leon_pci_info {
 	int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
 };
 
-extern void leon_pci_init(struct platform_device *ofdev,
-				struct leon_pci_info *info);
+void leon_pci_init(struct platform_device *ofdev,
+		   struct leon_pci_info *info);
 
 #endif /* _ASM_LEON_PCI_H_ */
diff --git a/arch/sparc/include/asm/mc146818rtc.h b/arch/sparc/include/asm/mc146818rtc.h
index 67ed9e3a0235..d8e72f37dc4b 100644
--- a/arch/sparc/include/asm/mc146818rtc.h
+++ b/arch/sparc/include/asm/mc146818rtc.h
@@ -1,5 +1,10 @@
 #ifndef ___ASM_SPARC_MC146818RTC_H
 #define ___ASM_SPARC_MC146818RTC_H
+
+#include <linux/spinlock.h>
+
+extern spinlock_t rtc_lock;
+
 #if defined(__sparc__) && defined(__arch64__)
 #include <asm/mc146818rtc_64.h>
 #else
diff --git a/arch/sparc/include/asm/mdesc.h b/arch/sparc/include/asm/mdesc.h
index 139097f3a67b..aebeb88f70db 100644
--- a/arch/sparc/include/asm/mdesc.h
+++ b/arch/sparc/include/asm/mdesc.h
@@ -12,13 +12,13 @@ struct mdesc_handle;
  * the first argument to all of the operational calls that work
  * on mdescs.
  */
-extern struct mdesc_handle *mdesc_grab(void);
-extern void mdesc_release(struct mdesc_handle *);
+struct mdesc_handle *mdesc_grab(void);
+void mdesc_release(struct mdesc_handle *);
 
 #define MDESC_NODE_NULL		(~(u64)0)
 
-extern u64 mdesc_node_by_name(struct mdesc_handle *handle,
-			      u64 from_node, const char *name);
+u64 mdesc_node_by_name(struct mdesc_handle *handle,
+		       u64 from_node, const char *name);
 #define mdesc_for_each_node_by_name(__hdl, __node, __name) \
 	for (__node = mdesc_node_by_name(__hdl, MDESC_NODE_NULL, __name); \
 	     (__node) != MDESC_NODE_NULL; \
@@ -34,9 +34,9 @@ extern u64 mdesc_node_by_name(struct mdesc_handle *handle,
  *
  * These same rules apply to mdesc_node_name().
  */
-extern const void *mdesc_get_property(struct mdesc_handle *handle,
-				      u64 node, const char *name, int *lenp);
-extern const char *mdesc_node_name(struct mdesc_handle *hp, u64 node);
+const void *mdesc_get_property(struct mdesc_handle *handle,
+			       u64 node, const char *name, int *lenp);
+const char *mdesc_node_name(struct mdesc_handle *hp, u64 node);
 
 /* MD arc iteration, the standard sequence is:
  *
@@ -50,16 +50,16 @@ extern const char *mdesc_node_name(struct mdesc_handle *hp, u64 node);
 #define MDESC_ARC_TYPE_FWD	"fwd"
 #define MDESC_ARC_TYPE_BACK	"back"
 
-extern u64 mdesc_next_arc(struct mdesc_handle *handle, u64 from,
-			  const char *arc_type);
+u64 mdesc_next_arc(struct mdesc_handle *handle, u64 from,
+		   const char *arc_type);
 #define mdesc_for_each_arc(__arc, __hdl, __node, __type) \
 	for (__arc = mdesc_next_arc(__hdl, __node, __type); \
 	     (__arc) != MDESC_NODE_NULL; \
 	     __arc = mdesc_next_arc(__hdl, __arc, __type))
 
-extern u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc);
+u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc);
 
-extern void mdesc_update(void);
+void mdesc_update(void);
 
 struct mdesc_notifier_client {
 	void (*add)(struct mdesc_handle *handle, u64 node);
@@ -69,12 +69,12 @@ struct mdesc_notifier_client {
 	struct mdesc_notifier_client	*next;
 };
 
-extern void mdesc_register_notifier(struct mdesc_notifier_client *client);
+void mdesc_register_notifier(struct mdesc_notifier_client *client);
 
-extern void mdesc_fill_in_cpu_data(cpumask_t *mask);
-extern void mdesc_populate_present_mask(cpumask_t *mask);
-extern void mdesc_get_page_sizes(cpumask_t *mask, unsigned long *pgsz_mask);
+void mdesc_fill_in_cpu_data(cpumask_t *mask);
+void mdesc_populate_present_mask(cpumask_t *mask);
+void mdesc_get_page_sizes(cpumask_t *mask, unsigned long *pgsz_mask);
 
-extern void sun4v_mdesc_init(void);
+void sun4v_mdesc_init(void);
 
 #endif
diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h
index f668797ae234..70067ce184b1 100644
--- a/arch/sparc/include/asm/mmu_64.h
+++ b/arch/sparc/include/asm/mmu_64.h
@@ -67,9 +67,9 @@ struct tsb {
 	unsigned long pte;
 } __attribute__((aligned(TSB_ENTRY_ALIGNMENT)));
 
-extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte);
-extern void tsb_flush(unsigned long ent, unsigned long tag);
-extern void tsb_init(struct tsb *tsb, unsigned long size);
+void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte);
+void tsb_flush(unsigned long ent, unsigned long tag);
+void tsb_init(struct tsb *tsb, unsigned long size);
 
 struct tsb_config {
 	struct tsb		*tsb;
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 3d528f06e4b0..b84be675e507 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -17,20 +17,20 @@ extern spinlock_t ctx_alloc_lock;
 extern unsigned long tlb_context_cache;
 extern unsigned long mmu_context_bmap[];
 
-extern void get_new_mmu_context(struct mm_struct *mm);
+void get_new_mmu_context(struct mm_struct *mm);
 #ifdef CONFIG_SMP
-extern void smp_new_mmu_context_version(void);
+void smp_new_mmu_context_version(void);
 #else
 #define smp_new_mmu_context_version() do { } while (0)
 #endif
 
-extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
-extern void destroy_context(struct mm_struct *mm);
+int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+void destroy_context(struct mm_struct *mm);
 
-extern void __tsb_context_switch(unsigned long pgd_pa,
-				 struct tsb_config *tsb_base,
-				 struct tsb_config *tsb_huge,
-				 unsigned long tsb_descr_pa);
+void __tsb_context_switch(unsigned long pgd_pa,
+			  struct tsb_config *tsb_base,
+			  struct tsb_config *tsb_huge,
+			  unsigned long tsb_descr_pa);
 
 static inline void tsb_context_switch(struct mm_struct *mm)
 {
@@ -46,9 +46,11 @@ static inline void tsb_context_switch(struct mm_struct *mm)
 			     , __pa(&mm->context.tsb_descr[0]));
 }
 
-extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss);
+void tsb_grow(struct mm_struct *mm,
+	      unsigned long tsb_index,
+	      unsigned long mm_rss);
 #ifdef CONFIG_SMP
-extern void smp_tsb_sync(struct mm_struct *mm);
+void smp_tsb_sync(struct mm_struct *mm);
 #else
 #define smp_tsb_sync(__mm) do { } while (0)
 #endif
@@ -66,7 +68,7 @@ extern void smp_tsb_sync(struct mm_struct *mm);
 	: "r" (CTX_HWBITS((__mm)->context)), \
 	  "r" (SECONDARY_CONTEXT), "i" (ASI_DMMU), "i" (ASI_MMU))
 
-extern void __flush_tlb_mm(unsigned long, unsigned long);
+void __flush_tlb_mm(unsigned long, unsigned long);
 
 /* Switch the current MM context. */
 static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk)
diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h
index 72e6500e7ab0..26ad2b2607c6 100644
--- a/arch/sparc/include/asm/nmi.h
+++ b/arch/sparc/include/asm/nmi.h
@@ -1,13 +1,13 @@
 #ifndef __NMI_H
 #define __NMI_H
 
-extern int __init nmi_init(void);
-extern void perfctr_irq(int irq, struct pt_regs *regs);
-extern void nmi_adjust_hz(unsigned int new_hz);
+int __init nmi_init(void);
+void perfctr_irq(int irq, struct pt_regs *regs);
+void nmi_adjust_hz(unsigned int new_hz);
 
 extern atomic_t nmi_active;
 
-extern void start_nmi_watchdog(void *unused);
-extern void stop_nmi_watchdog(void *unused);
+void start_nmi_watchdog(void *unused);
+void stop_nmi_watchdog(void *unused);
 
 #endif /* __NMI_H */
diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h
index c72f3045820c..56a09b9d7b1b 100644
--- a/arch/sparc/include/asm/oplib_32.h
+++ b/arch/sparc/include/asm/oplib_32.h
@@ -43,28 +43,28 @@ extern struct linux_nodeops *prom_nodeops;
 /* You must call prom_init() before using any of the library services,
  * preferably as early as possible.  Pass it the romvec pointer.
  */
-extern void prom_init(struct linux_romvec *rom_ptr);
+void prom_init(struct linux_romvec *rom_ptr);
 
 /* Boot argument acquisition, returns the boot command line string. */
-extern char *prom_getbootargs(void);
+char *prom_getbootargs(void);
 
 /* Miscellaneous routines, don't really fit in any category per se. */
 
 /* Reboot the machine with the command line passed. */
-extern void prom_reboot(char *boot_command);
+void prom_reboot(char *boot_command);
 
 /* Evaluate the forth string passed. */
-extern void prom_feval(char *forth_string);
+void prom_feval(char *forth_string);
 
 /* Enter the prom, with possibility of continuation with the 'go'
  * command in newer proms.
  */
-extern void prom_cmdline(void);
+void prom_cmdline(void);
 
 /* Enter the prom, with no chance of continuation for the stand-alone
  * which calls this.
  */
-extern void __noreturn prom_halt(void);
+void __noreturn prom_halt(void);
 
 /* Set the PROM 'sync' callback function to the passed function pointer.
  * When the user gives the 'sync' command at the prom prompt while the
@@ -73,37 +73,37 @@ extern void __noreturn prom_halt(void);
  * XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX
  */
 typedef void (*sync_func_t)(void);
-extern void prom_setsync(sync_func_t func_ptr);
+void prom_setsync(sync_func_t func_ptr);
 
 /* Acquire the IDPROM of the root node in the prom device tree.  This
  * gets passed a buffer where you would like it stuffed.  The return value
  * is the format type of this idprom or 0xff on error.
  */
-extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
+unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
 
 /* Get the prom major version. */
-extern int prom_version(void);
+int prom_version(void);
 
 /* Get the prom plugin revision. */
-extern int prom_getrev(void);
+int prom_getrev(void);
 
 /* Get the prom firmware revision. */
-extern int prom_getprev(void);
+int prom_getprev(void);
 
 /* Write a buffer of characters to the console. */
-extern void prom_console_write_buf(const char *buf, int len);
+void prom_console_write_buf(const char *buf, int len);
 
 /* Prom's internal routines, don't use in kernel/boot code. */
-extern __printf(1, 2) void prom_printf(const char *fmt, ...);
-extern void prom_write(const char *buf, unsigned int len);
+__printf(1, 2) void prom_printf(const char *fmt, ...);
+void prom_write(const char *buf, unsigned int len);
 
 /* Multiprocessor operations... */
 
 /* Start the CPU with the given device tree node, context table, and context
  * at the passed program counter.
  */
-extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table,
-			 int context, char *program_counter);
+int prom_startcpu(int cpunode, struct linux_prom_registers *context_table,
+		  int context, char *program_counter);
 
 /* Initialize the memory lists based upon the prom version. */
 void prom_meminit(void);
@@ -111,65 +111,65 @@ void prom_meminit(void);
 /* PROM device tree traversal functions... */
 
 /* Get the child node of the given node, or zero if no child exists. */
-extern phandle prom_getchild(phandle parent_node);
+phandle prom_getchild(phandle parent_node);
 
 /* Get the next sibling node of the given node, or zero if no further
  * siblings exist.
  */
-extern phandle prom_getsibling(phandle node);
+phandle prom_getsibling(phandle node);
 
 /* Get the length, at the passed node, of the given property type.
  * Returns -1 on error (ie. no such property at this node).
  */
-extern int prom_getproplen(phandle thisnode, const char *property);
+int prom_getproplen(phandle thisnode, const char *property);
 
 /* Fetch the requested property using the given buffer.  Returns
  * the number of bytes the prom put into your buffer or -1 on error.
  */
-extern int __must_check prom_getproperty(phandle thisnode, const char *property,
-					 char *prop_buffer, int propbuf_size);
+int __must_check prom_getproperty(phandle thisnode, const char *property,
+				  char *prop_buffer, int propbuf_size);
 
 /* Acquire an integer property. */
-extern int prom_getint(phandle node, char *property);
+int prom_getint(phandle node, char *property);
 
 /* Acquire an integer property, with a default value. */
-extern int prom_getintdefault(phandle node, char *property, int defval);
+int prom_getintdefault(phandle node, char *property, int defval);
 
 /* Acquire a boolean property, 0=FALSE 1=TRUE. */
-extern int prom_getbool(phandle node, char *prop);
+int prom_getbool(phandle node, char *prop);
 
 /* Acquire a string property, null string on error. */
-extern void prom_getstring(phandle node, char *prop, char *buf, int bufsize);
+void prom_getstring(phandle node, char *prop, char *buf, int bufsize);
 
 /* Search all siblings starting at the passed node for "name" matching
  * the given string.  Returns the node on success, zero on failure.
  */
-extern phandle prom_searchsiblings(phandle node_start, char *name);
+phandle prom_searchsiblings(phandle node_start, char *name);
 
 /* Returns the next property after the passed property for the given
  * node.  Returns null string on failure.
  */
-extern char *prom_nextprop(phandle node, char *prev_property, char *buffer);
+char *prom_nextprop(phandle node, char *prev_property, char *buffer);
 
 /* Returns phandle of the path specified */
-extern phandle prom_finddevice(char *name);
+phandle prom_finddevice(char *name);
 
 /* Set the indicated property at the given node with the passed value.
  * Returns the number of bytes of your value that the prom took.
  */
-extern int prom_setprop(phandle node, const char *prop_name, char *prop_value,
-			int value_size);
+int prom_setprop(phandle node, const char *prop_name, char *prop_value,
+		 int value_size);
 
-extern phandle prom_inst2pkg(int);
+phandle prom_inst2pkg(int);
 
 /* Dorking with Bus ranges... */
 
 /* Apply promlib probes OBIO ranges to registers. */
-extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs);
+void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs);
 
 /* Apply ranges of any prom node (and optionally parent node as well) to registers. */
-extern void prom_apply_generic_ranges(phandle node, phandle parent,
-				      struct linux_prom_registers *sbusregs, int nregs);
+void prom_apply_generic_ranges(phandle node, phandle parent,
+			       struct linux_prom_registers *sbusregs, int nregs);
 
 void prom_ranges_init(void);
 
diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h
index a12dbe3b7762..f34682430fcf 100644
--- a/arch/sparc/include/asm/oplib_64.h
+++ b/arch/sparc/include/asm/oplib_64.h
@@ -62,100 +62,100 @@ struct linux_mem_p1275 {
 /* You must call prom_init() before using any of the library services,
  * preferably as early as possible.  Pass it the romvec pointer.
  */
-extern void prom_init(void *cif_handler, void *cif_stack);
+void prom_init(void *cif_handler, void *cif_stack);
 
 /* Boot argument acquisition, returns the boot command line string. */
-extern char *prom_getbootargs(void);
+char *prom_getbootargs(void);
 
 /* Miscellaneous routines, don't really fit in any category per se. */
 
 /* Reboot the machine with the command line passed. */
-extern void prom_reboot(const char *boot_command);
+void prom_reboot(const char *boot_command);
 
 /* Evaluate the forth string passed. */
-extern void prom_feval(const char *forth_string);
+void prom_feval(const char *forth_string);
 
 /* Enter the prom, with possibility of continuation with the 'go'
  * command in newer proms.
  */
-extern void prom_cmdline(void);
+void prom_cmdline(void);
 
 /* Enter the prom, with no chance of continuation for the stand-alone
  * which calls this.
  */
-extern void prom_halt(void) __attribute__ ((noreturn));
+void prom_halt(void) __attribute__ ((noreturn));
 
 /* Halt and power-off the machine. */
-extern void prom_halt_power_off(void) __attribute__ ((noreturn));
+void prom_halt_power_off(void) __attribute__ ((noreturn));
 
 /* Acquire the IDPROM of the root node in the prom device tree.  This
  * gets passed a buffer where you would like it stuffed.  The return value
  * is the format type of this idprom or 0xff on error.
  */
-extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
+unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size);
 
 /* Write a buffer of characters to the console. */
-extern void prom_console_write_buf(const char *buf, int len);
+void prom_console_write_buf(const char *buf, int len);
 
 /* Prom's internal routines, don't use in kernel/boot code. */
-extern __printf(1, 2) void prom_printf(const char *fmt, ...);
-extern void prom_write(const char *buf, unsigned int len);
+__printf(1, 2) void prom_printf(const char *fmt, ...);
+void prom_write(const char *buf, unsigned int len);
 
 /* Multiprocessor operations... */
 #ifdef CONFIG_SMP
 /* Start the CPU with the given device tree node at the passed program
  * counter with the given arg passed in via register %o0.
  */
-extern void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg);
+void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg);
 
 /* Start the CPU with the given cpu ID at the passed program
  * counter with the given arg passed in via register %o0.
  */
-extern void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg);
+void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg);
 
 /* Stop the CPU with the given cpu ID.  */
-extern void prom_stopcpu_cpuid(int cpuid);
+void prom_stopcpu_cpuid(int cpuid);
 
 /* Stop the current CPU. */
-extern void prom_stopself(void);
+void prom_stopself(void);
 
 /* Idle the current CPU. */
-extern void prom_idleself(void);
+void prom_idleself(void);
 
 /* Resume the CPU with the passed device tree node. */
-extern void prom_resumecpu(int cpunode);
+void prom_resumecpu(int cpunode);
 #endif
 
 /* Power management interfaces. */
 
 /* Put the current CPU to sleep. */
-extern void prom_sleepself(void);
+void prom_sleepself(void);
 
 /* Put the entire system to sleep. */
-extern int prom_sleepsystem(void);
+int prom_sleepsystem(void);
 
 /* Initiate a wakeup event. */
-extern int prom_wakeupsystem(void);
+int prom_wakeupsystem(void);
 
 /* MMU and memory related OBP interfaces. */
 
 /* Get unique string identifying SIMM at given physical address. */
-extern int prom_getunumber(int syndrome_code,
-			   unsigned long phys_addr,
-			   char *buf, int buflen);
+int prom_getunumber(int syndrome_code,
+		    unsigned long phys_addr,
+		    char *buf, int buflen);
 
 /* Retain physical memory to the caller across soft resets. */
-extern int prom_retain(const char *name, unsigned long size,
-		       unsigned long align, unsigned long *paddr);
+int prom_retain(const char *name, unsigned long size,
+		unsigned long align, unsigned long *paddr);
 
 /* Load explicit I/D TLB entries into the calling processor. */
-extern long prom_itlb_load(unsigned long index,
-			   unsigned long tte_data,
-			   unsigned long vaddr);
+long prom_itlb_load(unsigned long index,
+		    unsigned long tte_data,
+		    unsigned long vaddr);
 
-extern long prom_dtlb_load(unsigned long index,
-			   unsigned long tte_data,
-			   unsigned long vaddr);
+long prom_dtlb_load(unsigned long index,
+		    unsigned long tte_data,
+		    unsigned long vaddr);
 
 /* Map/Unmap client program address ranges.  First the format of
  * the mapping mode argument.
@@ -170,81 +170,81 @@ extern long prom_dtlb_load(unsigned long index,
 #define PROM_MAP_IE	0x0100 /* Invert-Endianness */
 #define PROM_MAP_DEFAULT (PROM_MAP_WRITE | PROM_MAP_READ | PROM_MAP_EXEC | PROM_MAP_CACHED)
 
-extern int prom_map(int mode, unsigned long size,
-		    unsigned long vaddr, unsigned long paddr);
-extern void prom_unmap(unsigned long size, unsigned long vaddr);
+int prom_map(int mode, unsigned long size,
+	     unsigned long vaddr, unsigned long paddr);
+void prom_unmap(unsigned long size, unsigned long vaddr);
 
 
 /* PROM device tree traversal functions... */
 
 /* Get the child node of the given node, or zero if no child exists. */
-extern phandle prom_getchild(phandle parent_node);
+phandle prom_getchild(phandle parent_node);
 
 /* Get the next sibling node of the given node, or zero if no further
  * siblings exist.
  */
-extern phandle prom_getsibling(phandle node);
+phandle prom_getsibling(phandle node);
 
 /* Get the length, at the passed node, of the given property type.
  * Returns -1 on error (ie. no such property at this node).
  */
-extern int prom_getproplen(phandle thisnode, const char *property);
+int prom_getproplen(phandle thisnode, const char *property);
 
 /* Fetch the requested property using the given buffer.  Returns
  * the number of bytes the prom put into your buffer or -1 on error.
  */
-extern int prom_getproperty(phandle thisnode, const char *property,
-			    char *prop_buffer, int propbuf_size);
+int prom_getproperty(phandle thisnode, const char *property,
+		     char *prop_buffer, int propbuf_size);
 
 /* Acquire an integer property. */
-extern int prom_getint(phandle node, const char *property);
+int prom_getint(phandle node, const char *property);
 
 /* Acquire an integer property, with a default value. */
-extern int prom_getintdefault(phandle node, const char *property, int defval);
+int prom_getintdefault(phandle node, const char *property, int defval);
 
 /* Acquire a boolean property, 0=FALSE 1=TRUE. */
-extern int prom_getbool(phandle node, const char *prop);
+int prom_getbool(phandle node, const char *prop);
 
 /* Acquire a string property, null string on error. */
-extern void prom_getstring(phandle node, const char *prop, char *buf,
-			   int bufsize);
+void prom_getstring(phandle node, const char *prop, char *buf,
+		    int bufsize);
 
 /* Does the passed node have the given "name"? YES=1 NO=0 */
-extern int prom_nodematch(phandle thisnode, const char *name);
+int prom_nodematch(phandle thisnode, const char *name);
 
 /* Search all siblings starting at the passed node for "name" matching
  * the given string.  Returns the node on success, zero on failure.
  */
-extern phandle prom_searchsiblings(phandle node_start, const char *name);
+phandle prom_searchsiblings(phandle node_start, const char *name);
 
 /* Return the first property type, as a string, for the given node.
  * Returns a null string on error. Buffer should be at least 32B long.
  */
-extern char *prom_firstprop(phandle node, char *buffer);
+char *prom_firstprop(phandle node, char *buffer);
 
 /* Returns the next property after the passed property for the given
  * node.  Returns null string on failure. Buffer should be at least 32B long.
  */
-extern char *prom_nextprop(phandle node, const char *prev_property, char *buf);
+char *prom_nextprop(phandle node, const char *prev_property, char *buf);
 
 /* Returns 1 if the specified node has given property. */
-extern int prom_node_has_property(phandle node, const char *property);
+int prom_node_has_property(phandle node, const char *property);
 
 /* Returns phandle of the path specified */
-extern phandle prom_finddevice(const char *name);
+phandle prom_finddevice(const char *name);
 
 /* Set the indicated property at the given node with the passed value.
  * Returns the number of bytes of your value that the prom took.
  */
-extern int prom_setprop(phandle node, const char *prop_name, char *prop_value,
-			int value_size);
+int prom_setprop(phandle node, const char *prop_name, char *prop_value,
+		 int value_size);
 
-extern phandle prom_inst2pkg(int);
-extern void prom_sun4v_guest_soft_state(void);
+phandle prom_inst2pkg(int);
+void prom_sun4v_guest_soft_state(void);
 
-extern int prom_ihandle2path(int handle, char *buffer, int bufsize);
+int prom_ihandle2path(int handle, char *buffer, int bufsize);
 
 /* Client interface level routines. */
-extern void p1275_cmd_direct(unsigned long *);
+void p1275_cmd_direct(unsigned long *);
 
 #endif /* !(__SPARC64_OPLIB_H) */
diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h
index f21de0349025..1be2fdec6268 100644
--- a/arch/sparc/include/asm/page.h
+++ b/arch/sparc/include/asm/page.h
@@ -1,5 +1,8 @@
 #ifndef ___ASM_SPARC_PAGE_H
 #define ___ASM_SPARC_PAGE_H
+
+#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
+
 #if defined(__sparc__) && defined(__arch64__)
 #include <asm/page_64.h>
 #else
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h
index aac53fcea807..bf109984a032 100644
--- a/arch/sparc/include/asm/page_64.h
+++ b/arch/sparc/include/asm/page_64.h
@@ -31,17 +31,17 @@
 
 #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
 struct pt_regs;
-extern void hugetlb_setup(struct pt_regs *regs);
+void hugetlb_setup(struct pt_regs *regs);
 #endif
 
 #define WANT_PAGE_VIRTUAL
 
-extern void _clear_page(void *page);
+void _clear_page(void *page);
 #define clear_page(X)	_clear_page((void *)(X))
 struct page;
-extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
+void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
 #define copy_page(X,Y)	memcpy((void *)(X), (void *)(Y), PAGE_SIZE)
-extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage);
+void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage);
 
 /* Unlike sparc32, sparc64's parameter passing API is more
  * sane in that structures which as small enough are passed
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index c6c7396e7627..bd00a6226169 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -52,7 +52,7 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 
 /* Return the index of the PCI controller for device PDEV. */
 
-extern int pci_domain_nr(struct pci_bus *bus);
+int pci_domain_nr(struct pci_bus *bus);
 static inline int pci_proc_domain(struct pci_bus *bus)
 {
 	return 1;
@@ -64,9 +64,9 @@ static inline int pci_proc_domain(struct pci_bus *bus)
 #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
 #define get_pci_unmapped_area get_fb_unmapped_area
 
-extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
-			       enum pci_mmap_state mmap_state,
-			       int write_combine);
+int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+			enum pci_mmap_state mmap_state,
+			int write_combine);
 
 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 {
@@ -74,9 +74,9 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 }
 
 #define HAVE_ARCH_PCI_RESOURCE_TO_USER
-extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
-				 const struct resource *rsrc,
-				 resource_size_t *start, resource_size_t *end);
+void pci_resource_to_user(const struct pci_dev *dev, int bar,
+			  const struct resource *rsrc,
+			  resource_size_t *start, resource_size_t *end);
 #endif /* __KERNEL__ */
 
 #endif /* __SPARC64_PCI_H */
diff --git a/arch/sparc/include/asm/pcic.h b/arch/sparc/include/asm/pcic.h
index 6676cbcc8b6a..f41706792592 100644
--- a/arch/sparc/include/asm/pcic.h
+++ b/arch/sparc/include/asm/pcic.h
@@ -30,10 +30,10 @@ struct linux_pcic {
 };
 
 #ifdef CONFIG_PCIC_PCI
-extern int pcic_present(void);
-extern int pcic_probe(void);
-extern void pci_time_init(void);
-extern void sun4m_pci_init_IRQ(void);
+int pcic_present(void);
+int pcic_probe(void);
+void pci_time_init(void);
+void sun4m_pci_init_IRQ(void);
 #else
 static inline int pcic_present(void) { return 0; }
 static inline int pcic_probe(void) { return 0; }
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
index 942bb17f60cd..cdf800c3326c 100644
--- a/arch/sparc/include/asm/pcr.h
+++ b/arch/sparc/include/asm/pcr.h
@@ -12,8 +12,8 @@ struct pcr_ops {
 };
 extern const struct pcr_ops *pcr_ops;
 
-extern void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
-extern void schedule_deferred_pcr_work(void);
+void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
+void schedule_deferred_pcr_work(void);
 
 #define PCR_PIC_PRIV		0x00000001 /* PIC access is privileged */
 #define PCR_STRACE		0x00000002 /* Trace supervisor events  */
@@ -45,6 +45,6 @@ extern void schedule_deferred_pcr_work(void);
 #define PCR_N4_PICNHT		0x00020000 /* PIC non-hypervisor trap  */
 #define PCR_N4_NTC		0x00040000 /* Next-To-Commit wrap      */
 
-extern int pcr_arch_init(void);
+int pcr_arch_init(void);
 
 #endif /* __PCR_H */
diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
index 9b1c36de0f18..a3890da94428 100644
--- a/arch/sparc/include/asm/pgalloc_32.h
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -14,6 +14,8 @@ struct page;
 void *srmmu_get_nocache(int size, int align);
 void srmmu_free_nocache(void *addr, int size);
 
+extern struct resource sparc_iomap;
+
 #define check_pgt_cache()	do { } while (0)
 
 pgd_t *get_pgd_fast(void);
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index bcfe063bce23..39a7ac49b00c 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -38,12 +38,12 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 	kmem_cache_free(pgtable_cache, pmd);
 }
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-				   unsigned long address);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm,
-			       unsigned long address);
-extern void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
-extern void pte_free(struct mm_struct *mm, pgtable_t ptepage);
+pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
+			    unsigned long address);
+pgtable_t pte_alloc_one(struct mm_struct *mm,
+			unsigned long address);
+void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
+void pte_free(struct mm_struct *mm, pgtable_t ptepage);
 
 #define pmd_populate_kernel(MM, PMD, PTE)	pmd_set(MM, PMD, PTE)
 #define pmd_populate(MM, PMD, PTE)		pmd_set(MM, PMD, PTE)
@@ -51,12 +51,12 @@ extern void pte_free(struct mm_struct *mm, pgtable_t ptepage);
 
 #define check_pgt_cache()	do { } while (0)
 
-extern void pgtable_free(void *table, bool is_page);
+void pgtable_free(void *table, bool is_page);
 
 #ifdef CONFIG_SMP
 
 struct mmu_gather;
-extern void tlb_remove_table(struct mmu_gather *, void *);
+void tlb_remove_table(struct mmu_gather *, void *);
 
 static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page)
 {
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 502f632f6cc7..b9b91ae19fe1 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -25,8 +25,9 @@
 struct vm_area_struct;
 struct page;
 
-extern void load_mmu(void);
-extern unsigned long calc_highpages(void);
+void load_mmu(void);
+unsigned long calc_highpages(void);
+unsigned long __init bootmem_init(unsigned long *pages_avail);
 
 #define pte_ERROR(e)   __builtin_trap()
 #define pmd_ERROR(e)   __builtin_trap()
@@ -56,7 +57,7 @@ extern unsigned long calc_highpages(void);
  * srmmu.c will assign the real one (which is dynamically sized) */
 #define swapper_pg_dir NULL
 
-extern void paging_init(void);
+void paging_init(void);
 
 extern unsigned long ptr_in_current_pgd;
 
@@ -428,8 +429,8 @@ extern unsigned long *sparc_valid_addr_bitmap;
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffUL)
 
-extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
-			   unsigned long, pgprot_t);
+int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+		    unsigned long, pgprot_t);
 
 static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 				     unsigned long from, unsigned long pfn,
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 1a49ffdf9da9..3770bf5c6e1b 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -210,9 +210,9 @@ static inline bool kern_addr_valid(unsigned long addr)
 
 #ifndef __ASSEMBLY__
 
-extern pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long);
+pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long);
 
-extern unsigned long pte_sz_bits(unsigned long size);
+unsigned long pte_sz_bits(unsigned long size);
 
 extern pgprot_t PAGE_KERNEL;
 extern pgprot_t PAGE_KERNEL_LOCKED;
@@ -780,8 +780,8 @@ static inline int pmd_present(pmd_t pmd)
 					 !__kern_addr_valid(pud_val(pud)))
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern void set_pmd_at(struct mm_struct *mm, unsigned long addr,
-		       pmd_t *pmdp, pmd_t pmd);
+void set_pmd_at(struct mm_struct *mm, unsigned long addr,
+		pmd_t *pmdp, pmd_t pmd);
 #else
 static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
 			      pmd_t *pmdp, pmd_t pmd)
@@ -840,8 +840,8 @@ static inline unsigned long __pmd_page(pmd_t pmd)
 #define pte_unmap(pte)			do { } while (0)
 
 /* Actual page table PTE updates.  */
-extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
-			  pte_t *ptep, pte_t orig, int fullmm);
+void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr,
+		   pte_t *ptep, pte_t orig, int fullmm);
 
 #define __HAVE_ARCH_PMDP_GET_AND_CLEAR
 static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
@@ -900,28 +900,28 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern pmd_t swapper_low_pmd_dir[PTRS_PER_PMD];
 
-extern void paging_init(void);
-extern unsigned long find_ecache_flush_span(unsigned long size);
+void paging_init(void);
+unsigned long find_ecache_flush_span(unsigned long size);
 
 struct seq_file;
-extern void mmu_info(struct seq_file *);
+void mmu_info(struct seq_file *);
 
 struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
+void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
-				 pmd_t *pmd);
+void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
+			  pmd_t *pmd);
 
 #define __HAVE_ARCH_PMDP_INVALIDATE
 extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
 			    pmd_t *pmdp);
 
 #define __HAVE_ARCH_PGTABLE_DEPOSIT
-extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
-				       pgtable_t pgtable);
+void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
+				pgtable_t pgtable);
 
 #define __HAVE_ARCH_PGTABLE_WITHDRAW
-extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
+pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
 #endif
 
 /* Encode and de-code a swap entry */
@@ -937,12 +937,12 @@ extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
 #define __swp_entry_to_pte(x)		((pte_t) { (x).val })
 
 /* File offset in PTE support. */
-extern unsigned long pte_file(pte_t);
+unsigned long pte_file(pte_t);
 #define pte_to_pgoff(pte)	(pte_val(pte) >> PAGE_SHIFT)
-extern pte_t pgoff_to_pte(unsigned long);
+pte_t pgoff_to_pte(unsigned long);
 #define PTE_FILE_MAX_BITS	(64UL - PAGE_SHIFT - 1UL)
 
-extern int page_in_phys_avail(unsigned long paddr);
+int page_in_phys_avail(unsigned long paddr);
 
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
@@ -952,8 +952,8 @@ extern int page_in_phys_avail(unsigned long paddr);
 #define GET_IOSPACE(pfn)		(pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)			(pfn & 0x0fffffffffffffffUL)
 
-extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
-			   unsigned long, pgprot_t);
+int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+		    unsigned long, pgprot_t);
 
 static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 				     unsigned long from, unsigned long pfn,
@@ -981,20 +981,20 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 /* We provide a special get_unmapped_area for framebuffer mmaps to try and use
  * the largest alignment possible such that larget PTEs can be used.
  */
-extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
-					  unsigned long, unsigned long,
-					  unsigned long);
+unsigned long get_fb_unmapped_area(struct file *filp, unsigned long,
+				   unsigned long, unsigned long,
+				   unsigned long);
 #define HAVE_ARCH_FB_UNMAPPED_AREA
 
-extern void pgtable_cache_init(void);
-extern void sun4v_register_fault_status(void);
-extern void sun4v_ktsb_register(void);
-extern void __init cheetah_ecache_flush_init(void);
-extern void sun4v_patch_tlb_handlers(void);
+void pgtable_cache_init(void);
+void sun4v_register_fault_status(void);
+void sun4v_ktsb_register(void);
+void __init cheetah_ecache_flush_init(void);
+void sun4v_patch_tlb_handlers(void);
 
 extern unsigned long cmdline_memory_size;
 
-extern asmlinkage void do_sparc64_fault(struct pt_regs *regs);
+asmlinkage void do_sparc64_fault(struct pt_regs *regs);
 
 #endif /* !(__ASSEMBLY__) */
 
diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h
index 2c7baa4c4505..a564817bbc2e 100644
--- a/arch/sparc/include/asm/processor_32.h
+++ b/arch/sparc/include/asm/processor_32.h
@@ -74,7 +74,7 @@ struct thread_struct {
 }
 
 /* Return saved PC of a blocked thread. */
-extern unsigned long thread_saved_pc(struct task_struct *t);
+unsigned long thread_saved_pc(struct task_struct *t);
 
 /* Do necessary setup to start up a newly executed thread. */
 static inline void start_thread(struct pt_regs * regs, unsigned long pc,
@@ -107,7 +107,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc,
 /* Free all resources held by a thread. */
 #define release_thread(tsk)		do { } while(0)
 
-extern unsigned long get_wchan(struct task_struct *);
+unsigned long get_wchan(struct task_struct *);
 
 #define task_pt_regs(tsk) ((tsk)->thread.kregs)
 #define KSTK_EIP(tsk)  ((tsk)->thread.kregs->pc)
@@ -116,6 +116,7 @@ extern unsigned long get_wchan(struct task_struct *);
 #ifdef __KERNEL__
 
 extern struct task_struct *last_task_used_math;
+int do_mathemu(struct pt_regs *regs, struct task_struct *fpt);
 
 #define cpu_relax()	barrier()
 extern void (*sparc_idle)(void);
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index 4c3f7f01c709..7028fe1a7c04 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -95,7 +95,7 @@ struct thread_struct {
 
 /* Return saved PC of a blocked thread. */
 struct task_struct;
-extern unsigned long thread_saved_pc(struct task_struct *);
+unsigned long thread_saved_pc(struct task_struct *);
 
 /* On Uniprocessor, even in RMO processes see TSO semantics */
 #ifdef CONFIG_SMP
@@ -194,7 +194,7 @@ do { \
 /* Free all resources held by a thread. */
 #define release_thread(tsk)		do { } while (0)
 
-extern unsigned long get_wchan(struct task_struct *task);
+unsigned long get_wchan(struct task_struct *task);
 
 #define task_pt_regs(tsk) (task_thread_info(tsk)->kregs)
 #define KSTK_EIP(tsk)  (task_pt_regs(tsk)->tpc)
@@ -253,6 +253,8 @@ static inline void prefetchw(const void *x)
 
 #define HAVE_ARCH_PICK_MMAP_LAYOUT
 
+int do_mathemu(struct pt_regs *regs, struct fpustate *f, bool illegal_insn_trap);
+
 #endif /* !(__ASSEMBLY__) */
 
 #endif /* !(__ASM_SPARC64_PROCESSOR_H) */
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index 11ebd659e7b6..d955c8df62d6 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -36,28 +36,28 @@ struct of_irq_controller {
 	void		*data;
 };
 
-extern struct device_node *of_find_node_by_cpuid(int cpuid);
-extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
+struct device_node *of_find_node_by_cpuid(int cpuid);
+int of_set_property(struct device_node *node, const char *name, void *val, int len);
 extern struct mutex of_set_property_mutex;
-extern int of_getintprop_default(struct device_node *np,
-				 const char *name,
+int of_getintprop_default(struct device_node *np,
+			  const char *name,
 				 int def);
-extern int of_find_in_proplist(const char *list, const char *match, int len);
+int of_find_in_proplist(const char *list, const char *match, int len);
 
-extern void prom_build_devicetree(void);
-extern void of_populate_present_mask(void);
-extern void of_fill_in_cpu_data(void);
+void prom_build_devicetree(void);
+void of_populate_present_mask(void);
+void of_fill_in_cpu_data(void);
 
 struct resource;
-extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
-extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
+void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
+void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
 
 extern struct device_node *of_console_device;
 extern char *of_console_path;
 extern char *of_console_options;
 
-extern void irq_trans_init(struct device_node *dp);
-extern char *build_path_component(struct device_node *dp);
+void irq_trans_init(struct device_node *dp);
+char *build_path_component(struct device_node *dp);
 
 #endif /* __KERNEL__ */
 #endif /* _SPARC_PROM_H */
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index bdfafd7af46f..bac6a946ee00 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -73,7 +73,7 @@ static inline long regs_return_value(struct pt_regs *regs)
 	return regs->u_regs[UREG_I0];
 }
 #ifdef CONFIG_SMP
-extern unsigned long profile_pc(struct pt_regs *);
+unsigned long profile_pc(struct pt_regs *);
 #else
 #define profile_pc(regs) instruction_pointer(regs)
 #endif
diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
index 5e35e0517318..f5fffd84d0dd 100644
--- a/arch/sparc/include/asm/setup.h
+++ b/arch/sparc/include/asm/setup.h
@@ -4,8 +4,9 @@
 #ifndef _SPARC_SETUP_H
 #define _SPARC_SETUP_H
 
-#include <uapi/asm/setup.h>
+#include <linux/interrupt.h>
 
+#include <uapi/asm/setup.h>
 
 extern char reboot_command[];
 
@@ -22,9 +23,43 @@ static inline int con_is_present(void)
 {
 	return serial_console ? 0 : 1;
 }
+
+/* from irq_32.c */
+extern volatile unsigned char *fdc_status;
+extern char *pdma_vaddr;
+extern unsigned long pdma_size;
+extern volatile int doing_pdma;
+
+/* This is software state */
+extern char *pdma_base;
+extern unsigned long pdma_areasize;
+
+int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler);
+
+/* setup_32.c */
+extern unsigned long cmdline_memory_size;
+
+/* devices.c */
+void __init device_scan(void);
+
+/* unaligned_32.c */
+unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int);
+
+#endif
+
+#ifdef CONFIG_SPARC64
+/* unaligned_64.c */
+int handle_ldf_stq(u32 insn, struct pt_regs *regs);
+void handle_ld_nf(u32 insn, struct pt_regs *regs);
+
+/* init_64.c */
+extern atomic_t dcpage_flushes;
+extern atomic_t dcpage_flushes_xcall;
+
+extern int sysctl_tsb_ratio;
 #endif
 
-extern void sun_do_break(void);
+void sun_do_break(void);
 extern int stop_a_enabled;
 extern int scons_pwroff;
 
diff --git a/arch/sparc/include/asm/sfp-machine_32.h b/arch/sparc/include/asm/sfp-machine_32.h
index 01d9c3b5a73b..838c9d58f3b4 100644
--- a/arch/sparc/include/asm/sfp-machine_32.h
+++ b/arch/sparc/include/asm/sfp-machine_32.h
@@ -79,9 +79,9 @@
   __asm__ ("addcc %r7,%8,%2\n\t"					\
 	   "addxcc %r5,%6,%1\n\t"					\
 	   "addx %r3,%4,%0\n"						\
-	   : "=r" ((USItype)(r2)),					\
-	     "=&r" ((USItype)(r1)),					\
-	     "=&r" ((USItype)(r0))					\
+	   : "=r" (r2),							\
+	     "=&r" (r1),						\
+	     "=&r" (r0)							\
 	   : "%rJ" ((USItype)(x2)),					\
 	     "rI" ((USItype)(y2)),					\
 	     "%rJ" ((USItype)(x1)),					\
@@ -94,9 +94,9 @@
   __asm__ ("subcc %r7,%8,%2\n\t"					\
 	    "subxcc %r5,%6,%1\n\t"					\
 	    "subx %r3,%4,%0\n"						\
-	   : "=r" ((USItype)(r2)),					\
-	     "=&r" ((USItype)(r1)),					\
-	     "=&r" ((USItype)(r0))					\
+	   : "=r" (r2),							\
+	     "=&r" (r1),						\
+	     "=&r" (r0)							\
 	   : "%rJ" ((USItype)(x2)),					\
 	     "rI" ((USItype)(y2)),					\
 	     "%rJ" ((USItype)(x1)),					\
@@ -115,8 +115,8 @@
 	    "addxcc %r6,%7,%0\n\t"					\
 	    "addxcc %r4,%5,%%g2\n\t"					\
 	    "addx %r2,%3,%%g1\n\t"					\
-	   : "=&r" ((USItype)(r1)),					\
-	     "=&r" ((USItype)(r0))					\
+	   : "=&r" (r1),						\
+	     "=&r" (r0)							\
 	   : "%rJ" ((USItype)(x3)),					\
 	     "rI" ((USItype)(y3)),					\
 	     "%rJ" ((USItype)(x2)),					\
@@ -140,8 +140,8 @@
 	    "subxcc %r6,%7,%0\n\t"					\
 	    "subxcc %r4,%5,%%g2\n\t"					\
 	    "subx %r2,%3,%%g1\n\t"					\
-	   : "=&r" ((USItype)(r1)),					\
-	     "=&r" ((USItype)(r0))					\
+	   : "=&r" (r1),						\
+	     "=&r" (r0)							\
 	   : "%rJ" ((USItype)(x3)),					\
 	     "rI" ((USItype)(y3)),					\
 	     "%rJ" ((USItype)(x2)),					\
@@ -164,10 +164,10 @@
 	   "addxcc %2,%%g0,%2\n\t"					\
 	   "addxcc %1,%%g0,%1\n\t"					\
 	   "addx %0,%%g0,%0\n\t"					\
-	   : "=&r" ((USItype)(x3)),					\
-	     "=&r" ((USItype)(x2)),					\
-	     "=&r" ((USItype)(x1)),					\
-	     "=&r" ((USItype)(x0))					\
+	   : "=&r" (x3),						\
+	     "=&r" (x2),						\
+	     "=&r" (x1),						\
+	     "=&r" (x0)							\
 	   : "rI" ((USItype)(i)),					\
 	     "0" ((USItype)(x3)),					\
 	     "1" ((USItype)(x2)),					\
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index 3c8917f054de..7c24e08a88d2 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -93,15 +93,15 @@ static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
 				    arg1, arg2, arg3, arg4);
 }
 
-extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
 static inline int cpu_logical_map(int cpu)
 {
 	return cpu;
 }
 
-extern int hard_smp_processor_id(void);
+int hard_smp_processor_id(void);
 
 #define raw_smp_processor_id()		(current_thread_info()->cpu)
 
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
index 05710393959f..26d9e7726867 100644
--- a/arch/sparc/include/asm/smp_64.h
+++ b/arch/sparc/include/asm/smp_64.h
@@ -33,29 +33,35 @@
 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
 extern cpumask_t cpu_core_map[NR_CPUS];
 
-extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+void arch_send_call_function_single_ipi(int cpu);
+void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
 /*
  *	General functions that each host system must provide.
  */
 
-extern int hard_smp_processor_id(void);
+int hard_smp_processor_id(void);
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
-extern void smp_fill_in_sib_core_maps(void);
-extern void cpu_play_dead(void);
+void smp_fill_in_sib_core_maps(void);
+void cpu_play_dead(void);
 
-extern void smp_fetch_global_regs(void);
-extern void smp_fetch_global_pmu(void);
+void smp_fetch_global_regs(void);
+void smp_fetch_global_pmu(void);
 
 struct seq_file;
 void smp_bogo(struct seq_file *);
 void smp_info(struct seq_file *);
 
+void smp_callin(void);
+void cpu_panic(void);
+void smp_synchronize_tick_client(void);
+void smp_capture(void);
+void smp_release(void);
+
 #ifdef CONFIG_HOTPLUG_CPU
-extern int __cpu_disable(void);
-extern void __cpu_die(unsigned int cpu);
+int __cpu_disable(void);
+void __cpu_die(unsigned int cpu);
 #endif
 
 #endif /* !(__ASSEMBLY__) */
diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
index 6b67e50fb9b4..3fc58691dbd0 100644
--- a/arch/sparc/include/asm/spitfire.h
+++ b/arch/sparc/include/asm/spitfire.h
@@ -62,7 +62,7 @@ extern enum ultra_tlb_layout tlb_type;
 extern int sun4v_chip_type;
 
 extern int cheetah_pcache_forced_on;
-extern void cheetah_enable_pcache(void);
+void cheetah_enable_pcache(void);
 
 #define sparc64_highest_locked_tlbent()	\
 	(tlb_type == spitfire ? \
diff --git a/arch/sparc/include/asm/stacktrace.h b/arch/sparc/include/asm/stacktrace.h
index 6cee39adf6d6..c30d066f3048 100644
--- a/arch/sparc/include/asm/stacktrace.h
+++ b/arch/sparc/include/asm/stacktrace.h
@@ -1,6 +1,6 @@
 #ifndef _SPARC64_STACKTRACE_H
 #define _SPARC64_STACKTRACE_H
 
-extern void stack_trace_flush(void);
+void stack_trace_flush(void);
 
 #endif /* _SPARC64_STACKTRACE_H */
diff --git a/arch/sparc/include/asm/starfire.h b/arch/sparc/include/asm/starfire.h
index d56ce60a5992..c100dc27a0a9 100644
--- a/arch/sparc/include/asm/starfire.h
+++ b/arch/sparc/include/asm/starfire.h
@@ -11,10 +11,10 @@
 
 extern int this_is_starfire;
 
-extern void check_if_starfire(void);
-extern int starfire_hard_smp_processor_id(void);
-extern void starfire_hookup(int);
-extern unsigned int starfire_translate(unsigned long imap, unsigned int upaid);
+void check_if_starfire(void);
+int starfire_hard_smp_processor_id(void);
+void starfire_hookup(int);
+unsigned int starfire_translate(unsigned long imap, unsigned int upaid);
 
 #endif
 #endif
diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h
index 12f67857152e..69974e924611 100644
--- a/arch/sparc/include/asm/string_32.h
+++ b/arch/sparc/include/asm/string_32.h
@@ -15,7 +15,7 @@
 
 #ifdef __KERNEL__
 
-extern void __memmove(void *,const void *,__kernel_size_t);
+void __memmove(void *,const void *,__kernel_size_t);
 
 #ifndef EXPORT_SYMTAB_STROPS
 
@@ -40,8 +40,8 @@ extern void __memmove(void *,const void *,__kernel_size_t);
 #undef memscan
 #define memscan(__arg0, __char, __arg2)						\
 ({										\
-	extern void *__memscan_zero(void *, size_t);				\
-	extern void *__memscan_generic(void *, int, size_t);			\
+	void *__memscan_zero(void *, size_t);					\
+	void *__memscan_generic(void *, int, size_t);				\
 	void *__retval, *__addr = (__arg0);					\
 	size_t __size = (__arg2);						\
 										\
@@ -54,14 +54,14 @@ extern void __memmove(void *,const void *,__kernel_size_t);
 })
 
 #define __HAVE_ARCH_MEMCMP
-extern int memcmp(const void *,const void *,__kernel_size_t);
+int memcmp(const void *,const void *,__kernel_size_t);
 
 /* Now the str*() stuff... */
 #define __HAVE_ARCH_STRLEN
-extern __kernel_size_t strlen(const char *);
+__kernel_size_t strlen(const char *);
 
 #define __HAVE_ARCH_STRNCMP
-extern int strncmp(const char *, const char *, __kernel_size_t);
+int strncmp(const char *, const char *, __kernel_size_t);
 
 #endif /* !EXPORT_SYMTAB_STROPS */
 
diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h
index 9623bc213158..5936b8ff3c05 100644
--- a/arch/sparc/include/asm/string_64.h
+++ b/arch/sparc/include/asm/string_64.h
@@ -19,7 +19,7 @@
 
 /* First the mem*() things. */
 #define __HAVE_ARCH_MEMMOVE
-extern void *memmove(void *, const void *, __kernel_size_t);
+void *memmove(void *, const void *, __kernel_size_t);
 
 #define __HAVE_ARCH_MEMCPY
 #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
@@ -32,8 +32,8 @@ extern void *memmove(void *, const void *, __kernel_size_t);
 #undef memscan
 #define memscan(__arg0, __char, __arg2)					\
 ({									\
-	extern void *__memscan_zero(void *, size_t);			\
-	extern void *__memscan_generic(void *, int, size_t);		\
+	void *__memscan_zero(void *, size_t);				\
+	void *__memscan_generic(void *, int, size_t);			\
 	void *__retval, *__addr = (__arg0);				\
 	size_t __size = (__arg2);					\
 									\
@@ -46,14 +46,14 @@ extern void *memmove(void *, const void *, __kernel_size_t);
 })
 
 #define __HAVE_ARCH_MEMCMP
-extern int memcmp(const void *,const void *,__kernel_size_t);
+int memcmp(const void *,const void *,__kernel_size_t);
 
 /* Now the str*() stuff... */
 #define __HAVE_ARCH_STRLEN
-extern __kernel_size_t strlen(const char *);
+__kernel_size_t strlen(const char *);
 
 #define __HAVE_ARCH_STRNCMP
-extern int strncmp(const char *, const char *, __kernel_size_t);
+int strncmp(const char *, const char *, __kernel_size_t);
 
 #endif /* !EXPORT_SYMTAB_STROPS */
 
diff --git a/arch/sparc/include/asm/switch_to_32.h b/arch/sparc/include/asm/switch_to_32.h
index e32e82b76eed..16f10374feb3 100644
--- a/arch/sparc/include/asm/switch_to_32.h
+++ b/arch/sparc/include/asm/switch_to_32.h
@@ -99,8 +99,8 @@ extern struct thread_info *current_set[NR_CPUS];
 	  "o0", "o1", "o2", "o3",                   "o7");	\
 	} while(0)
 
-extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
-		   void *fpqueue, unsigned long *fpqdepth);
-extern void synchronize_user_stack(void);
+void fpsave(unsigned long *fpregs, unsigned long *fsr,
+	    void *fpqueue, unsigned long *fpqdepth);
+void synchronize_user_stack(void);
 
 #endif /* __SPARC_SWITCH_TO_H */
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
index 8d284801f232..10e76332dc99 100644
--- a/arch/sparc/include/asm/switch_to_64.h
+++ b/arch/sparc/include/asm/switch_to_64.h
@@ -65,7 +65,7 @@ do {	save_and_clear_fpu();						\
 	  "o0", "o1", "o2", "o3", "o4", "o5",       "o7");		\
 } while(0)
 
-extern void synchronize_user_stack(void);
-extern void fault_in_user_windows(void);
+void synchronize_user_stack(void);
+void fault_in_user_windows(void);
 
 #endif /* __SPARC64_SWITCH_TO_64_H */
diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h
index bf8972adea17..b0a0db8ea61a 100644
--- a/arch/sparc/include/asm/syscalls.h
+++ b/arch/sparc/include/asm/syscalls.h
@@ -3,9 +3,9 @@
 
 struct pt_regs;
 
-extern asmlinkage long sparc_do_fork(unsigned long clone_flags,
-				     unsigned long stack_start,
-				     struct pt_regs *regs,
-				     unsigned long stack_size);
+asmlinkage long sparc_do_fork(unsigned long clone_flags,
+			      unsigned long stack_start,
+			      struct pt_regs *regs,
+			      unsigned long stack_size);
 
 #endif /* _SPARC64_SYSCALLS_H */
diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h
index 72f40a546de3..f8e708a0aa58 100644
--- a/arch/sparc/include/asm/timer_32.h
+++ b/arch/sparc/include/asm/timer_32.h
@@ -32,13 +32,13 @@ static inline unsigned int timer_value(unsigned int value)
 	return (value + 1) << TIMER_VALUE_SHIFT;
 }
 
-extern __volatile__ unsigned int *master_l10_counter;
+extern volatile u32 __iomem *master_l10_counter;
 
-extern irqreturn_t notrace timer_interrupt(int dummy, void *dev_id);
+irqreturn_t notrace timer_interrupt(int dummy, void *dev_id);
 
 #ifdef CONFIG_SMP
 DECLARE_PER_CPU(struct clock_event_device, sparc32_clockevent);
-extern void register_percpu_ce(int cpu);
+void register_percpu_ce(int cpu);
 #endif
 
 #endif /* !(_SPARC_TIMER_H) */
diff --git a/arch/sparc/include/asm/timer_64.h b/arch/sparc/include/asm/timer_64.h
index 01197d8215c4..fce415034000 100644
--- a/arch/sparc/include/asm/timer_64.h
+++ b/arch/sparc/include/asm/timer_64.h
@@ -23,8 +23,8 @@ struct sparc64_tick_ops {
 
 extern struct sparc64_tick_ops *tick_ops;
 
-extern unsigned long sparc64_get_clock_tick(unsigned int cpu);
-extern void setup_sparc64_timer(void);
-extern void __init time_init(void);
+unsigned long sparc64_get_clock_tick(unsigned int cpu);
+void setup_sparc64_timer(void);
+void __init time_init(void);
 
 #endif /* _SPARC64_TIMER_H */
diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h
index 190e18913cc6..4cb392f75d2b 100644
--- a/arch/sparc/include/asm/tlb_64.h
+++ b/arch/sparc/include/asm/tlb_64.h
@@ -8,19 +8,19 @@
 #include <asm/mmu_context.h>
 
 #ifdef CONFIG_SMP
-extern void smp_flush_tlb_pending(struct mm_struct *,
+void smp_flush_tlb_pending(struct mm_struct *,
 				  unsigned long, unsigned long *);
 #endif
 
 #ifdef CONFIG_SMP
-extern void smp_flush_tlb_mm(struct mm_struct *mm);
+void smp_flush_tlb_mm(struct mm_struct *mm);
 #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm)
 #else
 #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT)
 #endif
 
-extern void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *);
-extern void flush_tlb_pending(void);
+void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *);
+void flush_tlb_pending(void);
 
 #define tlb_start_vma(tlb, vma) do { } while (0)
 #define tlb_end_vma(tlb, vma)	do { } while (0)
diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h
index 3c3c89f52643..816d8202fa0a 100644
--- a/arch/sparc/include/asm/tlbflush_64.h
+++ b/arch/sparc/include/asm/tlbflush_64.h
@@ -14,9 +14,9 @@ struct tlb_batch {
 	unsigned long vaddrs[TLB_BATCH_NR];
 };
 
-extern void flush_tsb_kernel_range(unsigned long start, unsigned long end);
-extern void flush_tsb_user(struct tlb_batch *tb);
-extern void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
+void flush_tsb_kernel_range(unsigned long start, unsigned long end);
+void flush_tsb_user(struct tlb_batch *tb);
+void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr);
 
 /* TLB flush operations. */
 
@@ -36,15 +36,15 @@ static inline void flush_tlb_range(struct vm_area_struct *vma,
 
 #define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
 
-extern void flush_tlb_pending(void);
-extern void arch_enter_lazy_mmu_mode(void);
-extern void arch_leave_lazy_mmu_mode(void);
+void flush_tlb_pending(void);
+void arch_enter_lazy_mmu_mode(void);
+void arch_leave_lazy_mmu_mode(void);
 #define arch_flush_lazy_mmu_mode()      do {} while (0)
 
 /* Local cpu only.  */
-extern void __flush_tlb_all(void);
-extern void __flush_tlb_page(unsigned long context, unsigned long vaddr);
-extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
+void __flush_tlb_all(void);
+void __flush_tlb_page(unsigned long context, unsigned long vaddr);
+void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
 #ifndef CONFIG_SMP
 
@@ -60,8 +60,8 @@ static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vad
 
 #else /* CONFIG_SMP */
 
-extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
-extern void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
+void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
+void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
 
 #define flush_tlb_kernel_range(start, end) \
 do {	flush_tsb_kernel_range(start,end); \
diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
index a2d10fc64faf..ed8f071132e4 100644
--- a/arch/sparc/include/asm/topology_64.h
+++ b/arch/sparc/include/asm/topology_64.h
@@ -18,7 +18,7 @@ static inline int cpu_to_node(int cpu)
 
 struct pci_bus;
 #ifdef CONFIG_PCI
-extern int pcibus_to_node(struct pci_bus *pbus);
+int pcibus_to_node(struct pci_bus *pbus);
 #else
 static inline int pcibus_to_node(struct pci_bus *pbus)
 {
diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h
index 7e26b2db6211..6fd4436d32f0 100644
--- a/arch/sparc/include/asm/trap_block.h
+++ b/arch/sparc/include/asm/trap_block.h
@@ -51,11 +51,11 @@ struct trap_per_cpu {
 	unsigned long		__per_cpu_base;
 } __attribute__((aligned(64)));
 extern struct trap_per_cpu trap_block[NR_CPUS];
-extern void init_cur_cpu_trap(struct thread_info *);
-extern void setup_tba(void);
+void init_cur_cpu_trap(struct thread_info *);
+void setup_tba(void);
 extern int ncpus_probed;
 
-extern unsigned long real_hard_smp_processor_id(void);
+unsigned long real_hard_smp_processor_id(void);
 
 struct cpuid_patch_entry {
 	unsigned int	addr;
diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
index 0167d26d0d1d..bd56c28fff9f 100644
--- a/arch/sparc/include/asm/uaccess.h
+++ b/arch/sparc/include/asm/uaccess.h
@@ -9,6 +9,6 @@
 #define user_addr_max() \
 	(segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
 
-extern long strncpy_from_user(char *dest, const char __user *src, long count);
+long strncpy_from_user(char *dest, const char __user *src, long count);
 
 #endif
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 53a28dd59f59..9634d086fc56 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -78,9 +78,9 @@ struct exception_table_entry
 };
 
 /* Returns 0 if exception not found and fixup otherwise.  */
-extern unsigned long search_extables_range(unsigned long addr, unsigned long *g2);
+unsigned long search_extables_range(unsigned long addr, unsigned long *g2);
 
-extern void __ret_efault(void);
+void __ret_efault(void);
 
 /* Uh, these should become the main single-value transfer routines..
  * They automatically use the right size if we just have the right
@@ -152,7 +152,7 @@ __asm__ __volatile__(							\
        : "=&r" (ret) : "r" (x), "m" (*__m(addr)),			\
 	 "i" (-EFAULT))
 
-extern int __put_user_bad(void);
+int __put_user_bad(void);
 
 #define __get_user_check(x,addr,size,type) ({ \
 register int __gu_ret; \
@@ -244,9 +244,9 @@ __asm__ __volatile__(							\
 	".previous\n\t"							\
        : "=&r" (x) : "m" (*__m(addr)), "i" (retval))
 
-extern int __get_user_bad(void);
+int __get_user_bad(void);
 
-extern unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size);
+unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size);
 
 static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n)
 {
@@ -306,8 +306,8 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n)
 		return n;
 }
 
-extern __must_check long strlen_user(const char __user *str);
-extern __must_check long strnlen_user(const char __user *str, long n);
+__must_check long strlen_user(const char __user *str);
+__must_check long strnlen_user(const char __user *str, long n);
 
 #endif  /* __ASSEMBLY__ */
 
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index ad7e178337f1..c990a5e577f0 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -76,8 +76,8 @@ struct exception_table_entry {
         unsigned int insn, fixup;
 };
 
-extern void __ret_efault(void);
-extern void __retl_efault(void);
+void __ret_efault(void);
+void __retl_efault(void);
 
 /* Uh, these should become the main single-value transfer routines..
  * They automatically use the right size if we just have the right
@@ -134,7 +134,7 @@ __asm__ __volatile__(							\
        : "=r" (ret) : "r" (x), "r" (__m(addr)),				\
 	 "i" (-EFAULT))
 
-extern int __put_user_bad(void);
+int __put_user_bad(void);
 
 #define __get_user_nocheck(data,addr,size,type) ({ \
 register int __gu_ret; \
@@ -204,13 +204,13 @@ __asm__ __volatile__(							\
 	".previous\n\t"							\
        : "=r" (x) : "r" (__m(addr)), "i" (retval))
 
-extern int __get_user_bad(void);
+int __get_user_bad(void);
 
-extern unsigned long __must_check ___copy_from_user(void *to,
-						    const void __user *from,
-						    unsigned long size);
-extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
-					  unsigned long size);
+unsigned long __must_check ___copy_from_user(void *to,
+					     const void __user *from,
+					     unsigned long size);
+unsigned long copy_from_user_fixup(void *to, const void __user *from,
+				   unsigned long size);
 static inline unsigned long __must_check
 copy_from_user(void *to, const void __user *from, unsigned long size)
 {
@@ -223,11 +223,11 @@ copy_from_user(void *to, const void __user *from, unsigned long size)
 }
 #define __copy_from_user copy_from_user
 
-extern unsigned long __must_check ___copy_to_user(void __user *to,
-						  const void *from,
-						  unsigned long size);
-extern unsigned long copy_to_user_fixup(void __user *to, const void *from,
-					unsigned long size);
+unsigned long __must_check ___copy_to_user(void __user *to,
+					   const void *from,
+					   unsigned long size);
+unsigned long copy_to_user_fixup(void __user *to, const void *from,
+				 unsigned long size);
 static inline unsigned long __must_check
 copy_to_user(void __user *to, const void *from, unsigned long size)
 {
@@ -239,11 +239,11 @@ copy_to_user(void __user *to, const void *from, unsigned long size)
 }
 #define __copy_to_user copy_to_user
 
-extern unsigned long __must_check ___copy_in_user(void __user *to,
-						  const void __user *from,
-						  unsigned long size);
-extern unsigned long copy_in_user_fixup(void __user *to, void __user *from,
-					unsigned long size);
+unsigned long __must_check ___copy_in_user(void __user *to,
+					   const void __user *from,
+					   unsigned long size);
+unsigned long copy_in_user_fixup(void __user *to, void __user *from,
+				 unsigned long size);
 static inline unsigned long __must_check
 copy_in_user(void __user *to, void __user *from, unsigned long size)
 {
@@ -255,20 +255,20 @@ copy_in_user(void __user *to, void __user *from, unsigned long size)
 }
 #define __copy_in_user copy_in_user
 
-extern unsigned long __must_check __clear_user(void __user *, unsigned long);
+unsigned long __must_check __clear_user(void __user *, unsigned long);
 
 #define clear_user __clear_user
 
-extern __must_check long strlen_user(const char __user *str);
-extern __must_check long strnlen_user(const char __user *str, long n);
+__must_check long strlen_user(const char __user *str);
+__must_check long strnlen_user(const char __user *str, long n);
 
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
 struct pt_regs;
-extern unsigned long compute_effective_address(struct pt_regs *,
-					       unsigned int insn,
-					       unsigned int rd);
+unsigned long compute_effective_address(struct pt_regs *,
+					unsigned int insn,
+					unsigned int rd);
 
 #endif  /* __ASSEMBLY__ */
 
diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h
index 432afa838861..e0f6c399f1d0 100644
--- a/arch/sparc/include/asm/vio.h
+++ b/arch/sparc/include/asm/vio.h
@@ -372,14 +372,14 @@ do {	if (vio->debug & VIO_DEBUG_##TYPE) \
 		       vio->vdev->channel_id, ## a); \
 } while (0)
 
-extern int __vio_register_driver(struct vio_driver *drv, struct module *owner,
+int __vio_register_driver(struct vio_driver *drv, struct module *owner,
 				 const char *mod_name);
 /*
  * vio_register_driver must be a macro so that KBUILD_MODNAME can be expanded
  */
 #define vio_register_driver(driver)		\
 	__vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
-extern void vio_unregister_driver(struct vio_driver *drv);
+void vio_unregister_driver(struct vio_driver *drv);
 
 static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
 {
@@ -391,21 +391,21 @@ static inline struct vio_dev *to_vio_dev(struct device *dev)
 	return container_of(dev, struct vio_dev, dev);
 }
 
-extern int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
-extern void vio_link_state_change(struct vio_driver_state *vio, int event);
-extern void vio_conn_reset(struct vio_driver_state *vio);
-extern int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt);
-extern int vio_validate_sid(struct vio_driver_state *vio,
-			    struct vio_msg_tag *tp);
-extern u32 vio_send_sid(struct vio_driver_state *vio);
-extern int vio_ldc_alloc(struct vio_driver_state *vio,
-			 struct ldc_channel_config *base_cfg, void *event_arg);
-extern void vio_ldc_free(struct vio_driver_state *vio);
-extern int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev,
-			   u8 dev_class, struct vio_version *ver_table,
-			   int ver_table_size, struct vio_driver_ops *ops,
-			   char *name);
-
-extern void vio_port_up(struct vio_driver_state *vio);
+int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
+void vio_link_state_change(struct vio_driver_state *vio, int event);
+void vio_conn_reset(struct vio_driver_state *vio);
+int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt);
+int vio_validate_sid(struct vio_driver_state *vio,
+		     struct vio_msg_tag *tp);
+u32 vio_send_sid(struct vio_driver_state *vio);
+int vio_ldc_alloc(struct vio_driver_state *vio,
+		  struct ldc_channel_config *base_cfg, void *event_arg);
+void vio_ldc_free(struct vio_driver_state *vio);
+int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev,
+		    u8 dev_class, struct vio_version *ver_table,
+		    int ver_table_size, struct vio_driver_ops *ops,
+		    char *name);
+
+void vio_port_up(struct vio_driver_state *vio);
 
 #endif /* _SPARC64_VIO_H */
diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h
index 39ca301920db..b26673759283 100644
--- a/arch/sparc/include/asm/visasm.h
+++ b/arch/sparc/include/asm/visasm.h
@@ -57,7 +57,8 @@ static inline void save_and_clear_fpu(void) {
 "		" : : "i" (FPRS_FEF|FPRS_DU) :
 		"o5", "g1", "g2", "g3", "g7", "cc");
 }
-extern int vis_emul(struct pt_regs *, unsigned int);
+
+int vis_emul(struct pt_regs *, unsigned int);
 #endif
 
 #endif /* _SPARC64_ASI_H */
diff --git a/arch/sparc/include/asm/xor_64.h b/arch/sparc/include/asm/xor_64.h
index ee8edc68423e..50c882856031 100644
--- a/arch/sparc/include/asm/xor_64.h
+++ b/arch/sparc/include/asm/xor_64.h
@@ -20,13 +20,13 @@
 
 #include <asm/spitfire.h>
 
-extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
-extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
-		      unsigned long *);
-extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
-		      unsigned long *, unsigned long *);
-extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
-		      unsigned long *, unsigned long *, unsigned long *);
+void xor_vis_2(unsigned long, unsigned long *, unsigned long *);
+void xor_vis_3(unsigned long, unsigned long *, unsigned long *,
+	       unsigned long *);
+void xor_vis_4(unsigned long, unsigned long *, unsigned long *,
+	       unsigned long *, unsigned long *);
+void xor_vis_5(unsigned long, unsigned long *, unsigned long *,
+	       unsigned long *, unsigned long *, unsigned long *);
 
 /* XXX Ugh, write cheetah versions... -DaveM */
 
@@ -38,13 +38,13 @@ static struct xor_block_template xor_block_VIS = {
         .do_5	= xor_vis_5,
 };
 
-extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
-extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
-			  unsigned long *);
-extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
-			  unsigned long *, unsigned long *);
-extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
-			  unsigned long *, unsigned long *, unsigned long *);
+void xor_niagara_2(unsigned long, unsigned long *, unsigned long *);
+void xor_niagara_3(unsigned long, unsigned long *, unsigned long *,
+		   unsigned long *);
+void xor_niagara_4(unsigned long, unsigned long *, unsigned long *,
+		   unsigned long *, unsigned long *);
+void xor_niagara_5(unsigned long, unsigned long *, unsigned long *,
+		   unsigned long *, unsigned long *, unsigned long *);
 
 static struct xor_block_template xor_block_niagara = {
         .name	= "Niagara",
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index d15cc1794b0e..7cf9c6ea3f1f 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -42,7 +42,6 @@ obj-y                   += time_$(BITS).o
 obj-$(CONFIG_SPARC32)   += windows.o
 obj-y                   += cpu.o
 obj-$(CONFIG_SPARC32)   += devices.o
-obj-$(CONFIG_SPARC32)   += tadpole.o
 obj-y                   += ptrace_$(BITS).o
 obj-y                   += unaligned_$(BITS).o
 obj-y                   += una_asm_$(BITS).o
diff --git a/arch/sparc/kernel/audit.c b/arch/sparc/kernel/audit.c
index 8fff0ac63d56..24361b494a93 100644
--- a/arch/sparc/kernel/audit.c
+++ b/arch/sparc/kernel/audit.c
@@ -3,6 +3,8 @@
 #include <linux/audit.h>
 #include <asm/unistd.h>
 
+#include "kernel.h"
+
 static unsigned dir_class[] = {
 #include <asm-generic/audit_dir_write.h>
 ~0U
@@ -40,7 +42,6 @@ int audit_classify_arch(int arch)
 int audit_classify_syscall(int abi, unsigned syscall)
 {
 #ifdef CONFIG_COMPAT
-	extern int sparc32_classify_syscall(unsigned);
 	if (abi == AUDIT_ARCH_SPARC)
 		return sparc32_classify_syscall(syscall);
 #endif
@@ -61,11 +62,6 @@ int audit_classify_syscall(int abi, unsigned syscall)
 static int __init audit_classes_init(void)
 {
 #ifdef CONFIG_COMPAT
-	extern __u32 sparc32_dir_class[];
-	extern __u32 sparc32_write_class[];
-	extern __u32 sparc32_read_class[];
-	extern __u32 sparc32_chattr_class[];
-	extern __u32 sparc32_signal_class[];
 	audit_register_class(AUDIT_CLASS_WRITE_32, sparc32_write_class);
 	audit_register_class(AUDIT_CLASS_READ_32, sparc32_read_class);
 	audit_register_class(AUDIT_CLASS_DIR_WRITE_32, sparc32_dir_class);
diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index e20cc55fb768..ae88c223e4d3 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -9,12 +9,15 @@
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/export.h>
+
 #include <asm/oplib.h>
 #include <asm/io.h>
 #include <asm/auxio.h>
 #include <asm/string.h>		/* memset(), Linux has no bzero() */
 #include <asm/cpu_type.h>
 
+#include "kernel.h"
+
 /* Probe and map in the Auxiliary I/O register */
 
 /* auxio_register is not static because it is referenced 
@@ -103,7 +106,7 @@ EXPORT_SYMBOL(set_auxio);
 
 /* sun4m power control register (AUXIO2) */
 
-volatile unsigned char * auxio_power_register = NULL;
+volatile u8 __iomem *auxio_power_register = NULL;
 
 void __init auxio_power_probe(void)
 {
@@ -127,8 +130,8 @@ void __init auxio_power_probe(void)
 	r.flags = regs.which_io & 0xF;
 	r.start = regs.phys_addr;
 	r.end = regs.phys_addr + regs.reg_size - 1;
-	auxio_power_register = (unsigned char *) of_ioremap(&r, 0,
-	    regs.reg_size, "auxpower");
+	auxio_power_register =
+		(u8 __iomem *)of_ioremap(&r, 0, regs.reg_size, "auxpower");
 
 	/* Display a quick message on the console. */
 	if (auxio_power_register)
diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c
index 57073e56ba9e..987f7ec497cc 100644
--- a/arch/sparc/kernel/btext.c
+++ b/arch/sparc/kernel/btext.c
@@ -137,7 +137,7 @@ static void scrollscreen(void)
 }
 #endif /* ndef NO_SCROLL */
 
-void btext_drawchar(char c)
+static void btext_drawchar(char c)
 {
 	int cline = 0;
 #ifdef NO_SCROLL
diff --git a/arch/sparc/kernel/compat_audit.c b/arch/sparc/kernel/compat_audit.c
index d865575b25bf..7062263d09c1 100644
--- a/arch/sparc/kernel/compat_audit.c
+++ b/arch/sparc/kernel/compat_audit.c
@@ -1,5 +1,6 @@
 #define __32bit_syscall_numbers__
 #include <asm/unistd.h>
+#include "kernel.h"
 
 unsigned sparc32_dir_class[] = {
 #include <asm-generic/audit_dir_write.h>
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 5c5125895db8..82a3a71c451e 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -22,6 +22,7 @@
 #include <asm/cpudata.h>
 
 #include "kernel.h"
+#include "entry.h"
 
 DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 };
 EXPORT_PER_CPU_SYMBOL(__cpu_data);
diff --git a/arch/sparc/kernel/cpumap.h b/arch/sparc/kernel/cpumap.h
index e639880ab864..9dac398c434a 100644
--- a/arch/sparc/kernel/cpumap.h
+++ b/arch/sparc/kernel/cpumap.h
@@ -2,8 +2,8 @@
 #define _CPUMAP_H
 
 #ifdef CONFIG_SMP
-extern void cpu_map_rebuild(void);
-extern int  map_to_cpu(unsigned int index);
+void cpu_map_rebuild(void);
+int map_to_cpu(unsigned int index);
 #define cpu_map_init() cpu_map_rebuild()
 #else
 #define cpu_map_init() do {} while (0)
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c
index 3d465e87f7e2..8d5d09f09caf 100644
--- a/arch/sparc/kernel/devices.c
+++ b/arch/sparc/kernel/devices.c
@@ -19,8 +19,9 @@
 #include <asm/smp.h>
 #include <asm/cpudata.h>
 #include <asm/cpu_type.h>
+#include <asm/setup.h>
 
-extern void clock_stop_probe(void); /* tadpole.c */
+#include "kernel.h"
 
 static char *cpu_mid_prop(void)
 {
@@ -131,11 +132,6 @@ void __init device_scan(void)
 	}
 #endif /* !CONFIG_SMP */
 
-	{
-		extern void auxio_probe(void);
-		extern void auxio_power_probe(void);
-		auxio_probe();
-		auxio_power_probe();
-	}
-	clock_stop_probe();
+	auxio_probe();
+	auxio_power_probe();
 }
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index 140966fbd303..ebaba6167dd4 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -6,40 +6,39 @@
 #include <linux/init.h>
 
 /* irq */
-extern void handler_irq(int irq, struct pt_regs *regs);
+void handler_irq(int irq, struct pt_regs *regs);
 
 #ifdef CONFIG_SPARC32
 /* traps */
-extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
-extern void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
-                                   unsigned long npc, unsigned long psr);
-
-extern void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
-                                unsigned long npc, unsigned long psr);
-extern void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
-                                   unsigned long npc,
-                                   unsigned long psr);
-extern void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
+void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
+void do_illegal_instruction(struct pt_regs *regs, unsigned long pc,
+                            unsigned long npc, unsigned long psr);
+
+void do_priv_instruction(struct pt_regs *regs, unsigned long pc,
+                         unsigned long npc, unsigned long psr);
+void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc,
+                            unsigned long npc, unsigned long psr);
+void do_fpd_trap(struct pt_regs *regs, unsigned long pc,
+                 unsigned long npc, unsigned long psr);
+void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
+                 unsigned long npc, unsigned long psr);
+void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
+                         unsigned long npc, unsigned long psr);
+void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
+                       unsigned long npc, unsigned long psr);
+void handle_reg_access(struct pt_regs *regs, unsigned long pc,
+                       unsigned long npc, unsigned long psr);
+void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
                         unsigned long npc, unsigned long psr);
-extern void do_fpe_trap(struct pt_regs *regs, unsigned long pc,
-                        unsigned long npc, unsigned long psr);
-extern void handle_tag_overflow(struct pt_regs *regs, unsigned long pc,
-                                unsigned long npc, unsigned long psr);
-extern void handle_watchpoint(struct pt_regs *regs, unsigned long pc,
-                              unsigned long npc, unsigned long psr);
-extern void handle_reg_access(struct pt_regs *regs, unsigned long pc,
-                              unsigned long npc, unsigned long psr);
-extern void handle_cp_disabled(struct pt_regs *regs, unsigned long pc,
-                               unsigned long npc, unsigned long psr);
-extern void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
-                                unsigned long npc, unsigned long psr);
+void handle_cp_exception(struct pt_regs *regs, unsigned long pc,
+                         unsigned long npc, unsigned long psr);
 
 
 
 /* entry.S */
-extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
-                   void *fpqueue, unsigned long *fpqdepth);
-extern void fpload(unsigned long *fpregs, unsigned long *fsr);
+void fpsave(unsigned long *fpregs, unsigned long *fsr,
+            void *fpqueue, unsigned long *fpqdepth);
+void fpload(unsigned long *fpregs, unsigned long *fsr);
 
 #else /* CONFIG_SPARC32 */
 
@@ -66,123 +65,123 @@ struct pause_patch_entry {
 extern struct pause_patch_entry __pause_3insn_patch,
 	__pause_3insn_patch_end;
 
-extern void __init per_cpu_patch(void);
-extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
-				    struct sun4v_1insn_patch_entry *);
-extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
-				    struct sun4v_2insn_patch_entry *);
-extern void __init sun4v_patch(void);
-extern void __init boot_cpu_id_too_large(int cpu);
+void __init per_cpu_patch(void);
+void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
+			     struct sun4v_1insn_patch_entry *);
+void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
+			     struct sun4v_2insn_patch_entry *);
+void __init sun4v_patch(void);
+void __init boot_cpu_id_too_large(int cpu);
 extern unsigned int dcache_parity_tl1_occurred;
 extern unsigned int icache_parity_tl1_occurred;
 
-extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
-extern void timer_interrupt(int irq, struct pt_regs *regs);
-
-extern void do_notify_resume(struct pt_regs *regs,
-			     unsigned long orig_i0,
-			     unsigned long thread_info_flags);
-
-extern asmlinkage int syscall_trace_enter(struct pt_regs *regs);
-extern asmlinkage void syscall_trace_leave(struct pt_regs *regs);
-
-extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
-
-extern void do_fpieee(struct pt_regs *regs);
-extern void do_fpother(struct pt_regs *regs);
-extern void do_tof(struct pt_regs *regs);
-extern void do_div0(struct pt_regs *regs);
-extern void do_illegal_instruction(struct pt_regs *regs);
-extern void mem_address_unaligned(struct pt_regs *regs,
-				  unsigned long sfar,
-				  unsigned long sfsr);
-extern void sun4v_do_mna(struct pt_regs *regs,
-			 unsigned long addr,
-			 unsigned long type_ctx);
-extern void do_privop(struct pt_regs *regs);
-extern void do_privact(struct pt_regs *regs);
-extern void do_cee(struct pt_regs *regs);
-extern void do_cee_tl1(struct pt_regs *regs);
-extern void do_dae_tl1(struct pt_regs *regs);
-extern void do_iae_tl1(struct pt_regs *regs);
-extern void do_div0_tl1(struct pt_regs *regs);
-extern void do_fpdis_tl1(struct pt_regs *regs);
-extern void do_fpieee_tl1(struct pt_regs *regs);
-extern void do_fpother_tl1(struct pt_regs *regs);
-extern void do_ill_tl1(struct pt_regs *regs);
-extern void do_irq_tl1(struct pt_regs *regs);
-extern void do_lddfmna_tl1(struct pt_regs *regs);
-extern void do_stdfmna_tl1(struct pt_regs *regs);
-extern void do_paw(struct pt_regs *regs);
-extern void do_paw_tl1(struct pt_regs *regs);
-extern void do_vaw(struct pt_regs *regs);
-extern void do_vaw_tl1(struct pt_regs *regs);
-extern void do_tof_tl1(struct pt_regs *regs);
-extern void do_getpsr(struct pt_regs *regs);
-
-extern void spitfire_insn_access_exception(struct pt_regs *regs,
-					   unsigned long sfsr,
-					   unsigned long sfar);
-extern void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
-					       unsigned long sfsr,
-					       unsigned long sfar);
-extern void spitfire_data_access_exception(struct pt_regs *regs,
-					   unsigned long sfsr,
-					   unsigned long sfar);
-extern void spitfire_data_access_exception_tl1(struct pt_regs *regs,
-					       unsigned long sfsr,
-					       unsigned long sfar);
-extern void spitfire_access_error(struct pt_regs *regs,
-				  unsigned long status_encoded,
-				  unsigned long afar);
-
-extern void cheetah_fecc_handler(struct pt_regs *regs,
-				 unsigned long afsr,
-				 unsigned long afar);
-extern void cheetah_cee_handler(struct pt_regs *regs,
-				unsigned long afsr,
-				unsigned long afar);
-extern void cheetah_deferred_handler(struct pt_regs *regs,
-				     unsigned long afsr,
-				     unsigned long afar);
-extern void cheetah_plus_parity_error(int type, struct pt_regs *regs);
-
-extern void sun4v_insn_access_exception(struct pt_regs *regs,
-					unsigned long addr,
-					unsigned long type_ctx);
-extern void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
-					    unsigned long addr,
-					    unsigned long type_ctx);
-extern void sun4v_data_access_exception(struct pt_regs *regs,
-					unsigned long addr,
-					unsigned long type_ctx);
-extern void sun4v_data_access_exception_tl1(struct pt_regs *regs,
-					    unsigned long addr,
-					    unsigned long type_ctx);
-extern void sun4v_resum_error(struct pt_regs *regs,
-			      unsigned long offset);
-extern void sun4v_resum_overflow(struct pt_regs *regs);
-extern void sun4v_nonresum_error(struct pt_regs *regs,
-				 unsigned long offset);
-extern void sun4v_nonresum_overflow(struct pt_regs *regs);
+asmlinkage void sparc_breakpoint(struct pt_regs *regs);
+void timer_interrupt(int irq, struct pt_regs *regs);
+
+void do_notify_resume(struct pt_regs *regs,
+		      unsigned long orig_i0,
+		      unsigned long thread_info_flags);
+
+asmlinkage int syscall_trace_enter(struct pt_regs *regs);
+asmlinkage void syscall_trace_leave(struct pt_regs *regs);
+
+void bad_trap_tl1(struct pt_regs *regs, long lvl);
+
+void do_fpieee(struct pt_regs *regs);
+void do_fpother(struct pt_regs *regs);
+void do_tof(struct pt_regs *regs);
+void do_div0(struct pt_regs *regs);
+void do_illegal_instruction(struct pt_regs *regs);
+void mem_address_unaligned(struct pt_regs *regs,
+			   unsigned long sfar,
+			   unsigned long sfsr);
+void sun4v_do_mna(struct pt_regs *regs,
+		  unsigned long addr,
+		  unsigned long type_ctx);
+void do_privop(struct pt_regs *regs);
+void do_privact(struct pt_regs *regs);
+void do_cee(struct pt_regs *regs);
+void do_cee_tl1(struct pt_regs *regs);
+void do_dae_tl1(struct pt_regs *regs);
+void do_iae_tl1(struct pt_regs *regs);
+void do_div0_tl1(struct pt_regs *regs);
+void do_fpdis_tl1(struct pt_regs *regs);
+void do_fpieee_tl1(struct pt_regs *regs);
+void do_fpother_tl1(struct pt_regs *regs);
+void do_ill_tl1(struct pt_regs *regs);
+void do_irq_tl1(struct pt_regs *regs);
+void do_lddfmna_tl1(struct pt_regs *regs);
+void do_stdfmna_tl1(struct pt_regs *regs);
+void do_paw(struct pt_regs *regs);
+void do_paw_tl1(struct pt_regs *regs);
+void do_vaw(struct pt_regs *regs);
+void do_vaw_tl1(struct pt_regs *regs);
+void do_tof_tl1(struct pt_regs *regs);
+void do_getpsr(struct pt_regs *regs);
+
+void spitfire_insn_access_exception(struct pt_regs *regs,
+				    unsigned long sfsr,
+				    unsigned long sfar);
+void spitfire_insn_access_exception_tl1(struct pt_regs *regs,
+				        unsigned long sfsr,
+				        unsigned long sfar);
+void spitfire_data_access_exception(struct pt_regs *regs,
+				    unsigned long sfsr,
+				    unsigned long sfar);
+void spitfire_data_access_exception_tl1(struct pt_regs *regs,
+				        unsigned long sfsr,
+				        unsigned long sfar);
+void spitfire_access_error(struct pt_regs *regs,
+			   unsigned long status_encoded,
+			   unsigned long afar);
+
+void cheetah_fecc_handler(struct pt_regs *regs,
+			  unsigned long afsr,
+			  unsigned long afar);
+void cheetah_cee_handler(struct pt_regs *regs,
+			 unsigned long afsr,
+			 unsigned long afar);
+void cheetah_deferred_handler(struct pt_regs *regs,
+			      unsigned long afsr,
+			      unsigned long afar);
+void cheetah_plus_parity_error(int type, struct pt_regs *regs);
+
+void sun4v_insn_access_exception(struct pt_regs *regs,
+				 unsigned long addr,
+				 unsigned long type_ctx);
+void sun4v_insn_access_exception_tl1(struct pt_regs *regs,
+				     unsigned long addr,
+				     unsigned long type_ctx);
+void sun4v_data_access_exception(struct pt_regs *regs,
+				 unsigned long addr,
+				 unsigned long type_ctx);
+void sun4v_data_access_exception_tl1(struct pt_regs *regs,
+				     unsigned long addr,
+				     unsigned long type_ctx);
+void sun4v_resum_error(struct pt_regs *regs,
+		       unsigned long offset);
+void sun4v_resum_overflow(struct pt_regs *regs);
+void sun4v_nonresum_error(struct pt_regs *regs,
+			  unsigned long offset);
+void sun4v_nonresum_overflow(struct pt_regs *regs);
 
 extern unsigned long sun4v_err_itlb_vaddr;
 extern unsigned long sun4v_err_itlb_ctx;
 extern unsigned long sun4v_err_itlb_pte;
 extern unsigned long sun4v_err_itlb_error;
 
-extern void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
+void sun4v_itlb_error_report(struct pt_regs *regs, int tl);
 
 extern unsigned long sun4v_err_dtlb_vaddr;
 extern unsigned long sun4v_err_dtlb_ctx;
 extern unsigned long sun4v_err_dtlb_pte;
 extern unsigned long sun4v_err_dtlb_error;
 
-extern void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
-extern void hypervisor_tlbop_error(unsigned long err,
-				   unsigned long op);
-extern void hypervisor_tlbop_error_xcall(unsigned long err,
-					 unsigned long op);
+void sun4v_dtlb_error_report(struct pt_regs *regs, int tl);
+void hypervisor_tlbop_error(unsigned long err,
+			    unsigned long op);
+void hypervisor_tlbop_error_xcall(unsigned long err,
+				  unsigned long op);
 
 /* WARNING: The error trap handlers in assembly know the precise
  *	    layout of the following structure.
@@ -248,8 +247,8 @@ struct ino_bucket {
 extern struct ino_bucket *ivector_table;
 extern unsigned long ivector_table_pa;
 
-extern void init_irqwork_curcpu(void);
-extern void sun4v_register_mondo_queues(int this_cpu);
+void init_irqwork_curcpu(void);
+void sun4v_register_mondo_queues(int this_cpu);
 
 #endif /* CONFIG_SPARC32 */
 #endif /* _ENTRY_H */
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 76663b019eb5..bfa4d0c2df42 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -21,6 +21,7 @@
 #include <asm/iommu.h>
 
 #include "iommu_common.h"
+#include "kernel.h"
 
 #define STC_CTXMATCH_ADDR(STC, CTX)	\
 	((STC)->strbuf_ctxmatch_base + ((CTX) << 3))
@@ -840,8 +841,6 @@ static struct dma_map_ops sun4u_dma_ops = {
 struct dma_map_ops *dma_ops = &sun4u_dma_ops;
 EXPORT_SYMBOL(dma_ops);
 
-extern int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
-
 int dma_supported(struct device *dev, u64 device_mask)
 {
 	struct iommu *iommu = dev->archdata.iommu;
diff --git a/arch/sparc/kernel/iommu_common.h b/arch/sparc/kernel/iommu_common.h
index 591f5879039c..1ec0de4156e7 100644
--- a/arch/sparc/kernel/iommu_common.h
+++ b/arch/sparc/kernel/iommu_common.h
@@ -48,12 +48,12 @@ static inline int is_span_boundary(unsigned long entry,
 	return iommu_is_span_boundary(entry, nr, shift, boundary_size);
 }
 
-extern unsigned long iommu_range_alloc(struct device *dev,
-				       struct iommu *iommu,
-				       unsigned long npages,
-				       unsigned long *handle);
-extern void iommu_range_free(struct iommu *iommu,
-			     dma_addr_t dma_addr,
-			     unsigned long npages);
+unsigned long iommu_range_alloc(struct device *dev,
+				struct iommu *iommu,
+				unsigned long npages,
+				unsigned long *handle);
+void iommu_range_free(struct iommu *iommu,
+		      dma_addr_t dma_addr,
+		      unsigned long npages);
 
 #endif /* _IOMMU_COMMON_H */
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index e7e215dfa866..7f08ec8a7c68 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -186,7 +186,7 @@ static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
 
 	if (name == NULL) name = "???";
 
-	if ((xres = xres_alloc()) != 0) {
+	if ((xres = xres_alloc()) != NULL) {
 		tack = xres->xname;
 		res = &xres->xres;
 	} else {
@@ -400,7 +400,7 @@ static void sbus_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
 	BUG();
 }
 
-struct dma_map_ops sbus_dma_ops = {
+static struct dma_map_ops sbus_dma_ops = {
 	.alloc			= sbus_alloc_coherent,
 	.free			= sbus_free_coherent,
 	.map_page		= sbus_map_page,
@@ -681,7 +681,7 @@ static int sparc_io_proc_show(struct seq_file *m, void *v)
 	const char *nm;
 
 	for (r = root->child; r != NULL; r = r->sibling) {
-		if ((nm = r->name) == 0) nm = "???";
+		if ((nm = r->name) == NULL) nm = "???";
 		seq_printf(m, "%016llx-%016llx: %s\n",
 				(unsigned long long)r->start,
 				(unsigned long long)r->end, nm);
diff --git a/arch/sparc/kernel/irq.h b/arch/sparc/kernel/irq.h
index b66b6aad1d6d..70a0b8ddd0ba 100644
--- a/arch/sparc/kernel/irq.h
+++ b/arch/sparc/kernel/irq.h
@@ -82,11 +82,20 @@ void handler_irq(unsigned int pil, struct pt_regs *regs);
 
 unsigned long leon_get_irqmask(unsigned int irq);
 
+/* irq_32.c */
+void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs);
+
+/* sun4m_irq.c */
+void sun4m_nmi(struct pt_regs *regs);
+
+/* sun4d_irq.c */
+void sun4d_handler_irq(unsigned int pil, struct pt_regs *regs);
+
 #ifdef CONFIG_SMP
 
 /* All SUN4D IPIs are sent on this IRQ, may be shared with hard IRQs */
 #define SUN4D_IPI_IRQ 13
 
-extern void sun4d_ipi_interrupt(void);
+void sun4d_ipi_interrupt(void);
 
 #endif
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index c145f6fd123b..a979e99f8751 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -17,6 +17,7 @@
 
 #include <asm/cacheflush.h>
 #include <asm/cpudata.h>
+#include <asm/setup.h>
 #include <asm/pcic.h>
 #include <asm/leon.h>
 
diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h
index a702d9ab019c..e7f652be9e61 100644
--- a/arch/sparc/kernel/kernel.h
+++ b/arch/sparc/kernel/kernel.h
@@ -2,6 +2,7 @@
 #define __SPARC_KERNEL_H
 
 #include <linux/interrupt.h>
+#include <linux/ftrace.h>
 
 #include <asm/traps.h>
 #include <asm/head.h>
@@ -15,62 +16,111 @@ extern int ncpus_probed;
 #ifdef CONFIG_SPARC64
 /* setup_64.c */
 struct seq_file;
-extern void cpucap_info(struct seq_file *);
+void cpucap_info(struct seq_file *);
 
-static inline unsigned long kimage_addr_to_ra(const char *p)
+static inline unsigned long kimage_addr_to_ra(const void *p)
 {
 	unsigned long val = (unsigned long) p;
 
 	return kern_base + (val - KERNBASE);
 }
+
+/* sys_sparc_64.c */
+asmlinkage long sys_kern_features(void);
+
+/* unaligned_64.c */
+asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
+int handle_popc(u32 insn, struct pt_regs *regs);
+void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
+void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr);
+
+/* smp_64.c */
+void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs);
+void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs);
+void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs);
+void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
+void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
+
+/* kgdb_64.c */
+void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
+
+/* pci.c */
+int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
+
+/* signal32.c */
+void do_sigreturn32(struct pt_regs *regs);
+asmlinkage void do_rt_sigreturn32(struct pt_regs *regs);
+void do_signal32(struct pt_regs * regs);
+asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp);
+
+/* compat_audit.c */
+extern unsigned sparc32_dir_class[];
+extern unsigned sparc32_chattr_class[];
+extern unsigned sparc32_write_class[];
+extern unsigned sparc32_read_class[];
+extern unsigned sparc32_signal_class[];
+int sparc32_classify_syscall(unsigned syscall);
 #endif
 
 #ifdef CONFIG_SPARC32
 /* setup_32.c */
+struct linux_romvec;
 void sparc32_start_kernel(struct linux_romvec *rp);
 
 /* cpu.c */
-extern void cpu_probe(void);
+void cpu_probe(void);
 
 /* traps_32.c */
-extern void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
-                              unsigned long npc, unsigned long psr);
+void handle_hw_divzero(struct pt_regs *regs, unsigned long pc,
+                       unsigned long npc, unsigned long psr);
 /* irq_32.c */
 extern struct irqaction static_irqaction[];
 extern int static_irq_count;
 extern spinlock_t irq_action_lock;
 
-extern void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
-extern void init_IRQ(void);
+void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs);
+void init_IRQ(void);
 
 /* sun4m_irq.c */
-extern void sun4m_init_IRQ(void);
-extern void sun4m_unmask_profile_irq(void);
-extern void sun4m_clear_profile_irq(int cpu);
+void sun4m_init_IRQ(void);
+void sun4m_unmask_profile_irq(void);
+void sun4m_clear_profile_irq(int cpu);
 
 /* sun4m_smp.c */
 void sun4m_cpu_pre_starting(void *arg);
 void sun4m_cpu_pre_online(void *arg);
+void __init smp4m_boot_cpus(void);
+int smp4m_boot_one_cpu(int i, struct task_struct *idle);
+void __init smp4m_smp_done(void);
+void smp4m_cross_call_irq(void);
+void smp4m_percpu_timer_interrupt(struct pt_regs *regs);
 
 /* sun4d_irq.c */
 extern spinlock_t sun4d_imsk_lock;
 
-extern void sun4d_init_IRQ(void);
-extern int sun4d_request_irq(unsigned int irq,
-                             irq_handler_t handler,
-                             unsigned long irqflags,
-                             const char *devname, void *dev_id);
-extern int show_sun4d_interrupts(struct seq_file *, void *);
-extern void sun4d_distribute_irqs(void);
-extern void sun4d_free_irq(unsigned int irq, void *dev_id);
+void sun4d_init_IRQ(void);
+int sun4d_request_irq(unsigned int irq,
+                      irq_handler_t handler,
+                      unsigned long irqflags,
+                      const char *devname, void *dev_id);
+int show_sun4d_interrupts(struct seq_file *, void *);
+void sun4d_distribute_irqs(void);
+void sun4d_free_irq(unsigned int irq, void *dev_id);
 
 /* sun4d_smp.c */
 void sun4d_cpu_pre_starting(void *arg);
 void sun4d_cpu_pre_online(void *arg);
+void __init smp4d_boot_cpus(void);
+int smp4d_boot_one_cpu(int i, struct task_struct *idle);
+void __init smp4d_smp_done(void);
+void smp4d_cross_call_irq(void);
+void smp4d_percpu_timer_interrupt(struct pt_regs *regs);
 
 /* leon_smp.c */
 void leon_cpu_pre_starting(void *arg);
 void leon_cpu_pre_online(void *arg);
+void leonsmp_ipi_interrupt(void);
+void leon_cross_call_irq(void);
 
 /* head_32.S */
 extern unsigned int t_nmi[];
@@ -89,12 +139,48 @@ extern unsigned int real_irq_entry[];
 extern unsigned int smp4d_ticker[];
 extern unsigned int patchme_maybe_smp_msg[];
 
-extern void floppy_hardint(void);
+void floppy_hardint(void);
 
 /* trampoline_32.S */
 extern unsigned long sun4m_cpu_startup;
 extern unsigned long sun4d_cpu_startup;
 
+/* process_32.c */
+asmlinkage int sparc_do_fork(unsigned long clone_flags,
+                             unsigned long stack_start,
+                             struct pt_regs *regs,
+                             unsigned long stack_size);
+
+/* signal_32.c */
+asmlinkage void do_sigreturn(struct pt_regs *regs);
+asmlinkage void do_rt_sigreturn(struct pt_regs *regs);
+void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
+                      unsigned long thread_info_flags);
+asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
+                               struct sigstack __user *ossptr,
+                               unsigned long sp);
+
+/* ptrace_32.c */
+asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
+
+/* unaligned_32.c */
+asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
+asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn);
+
+/* windows.c */
+void try_to_clear_window_buffer(struct pt_regs *regs, int who);
+
+/* auxio_32.c */
+void __init auxio_probe(void);
+void __init auxio_power_probe(void);
+
+/* pcic.c */
+extern void __iomem *pcic_regs;
+void pcic_nmi(unsigned int pend, struct pt_regs *regs);
+
+/* time_32.c */
+void __init time_init(void);
+
 #else /* CONFIG_SPARC32 */
 #endif /* CONFIG_SPARC32 */
 #endif /* !(__SPARC_KERNEL_H) */
diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c
index b45fe3fb4d2c..cbf21d0870e0 100644
--- a/arch/sparc/kernel/kgdb_64.c
+++ b/arch/sparc/kernel/kgdb_64.c
@@ -13,6 +13,8 @@
 #include <asm/ptrace.h>
 #include <asm/irq.h>
 
+#include "kernel.h"
+
 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
 	struct reg_window *win;
diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c
index 1b0973503197..98d712843413 100644
--- a/arch/sparc/kernel/kprobes.c
+++ b/arch/sparc/kernel/kprobes.c
@@ -512,7 +512,8 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
 /*
  * Called when the probe at kretprobe trampoline is hit
  */
-int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
+static int __kprobes trampoline_probe_handler(struct kprobe *p,
+					      struct pt_regs *regs)
 {
 	struct kretprobe_instance *ri = NULL;
 	struct hlist_head *head, empty_rp;
@@ -576,7 +577,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
 	return 1;
 }
 
-void kretprobe_trampoline_holder(void)
+static void __used kretprobe_trampoline_holder(void)
 {
 	asm volatile(".global kretprobe_trampoline\n"
 		     "kretprobe_trampoline:\n"
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index b7c68976cbc7..683c4af999de 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -32,12 +32,12 @@ struct leon3_gptimer_regs_map *leon3_gptimer_regs; /* timer controller base addr
 
 int leondebug_irq_disable;
 int leon_debug_irqout;
-static int dummy_master_l10_counter;
+static volatile u32 dummy_master_l10_counter;
 unsigned long amba_system_id;
 static DEFINE_SPINLOCK(leon_irq_lock);
 
+static unsigned long leon3_gptimer_idx; /* Timer Index (0..6) within Timer Core */
 unsigned long leon3_gptimer_irq; /* interrupt controller irq number */
-unsigned long leon3_gptimer_idx; /* Timer Index (0..6) within Timer Core */
 unsigned int sparc_leon_eirq;
 #define LEON_IMASK(cpu) (&leon3_irqctrl_regs->mask[cpu])
 #define LEON_IACK (&leon3_irqctrl_regs->iclear)
@@ -65,7 +65,7 @@ static void leon_handle_ext_irq(unsigned int irq, struct irq_desc *desc)
 }
 
 /* The extended IRQ controller has been found, this function registers it */
-void leon_eirq_setup(unsigned int eirq)
+static void leon_eirq_setup(unsigned int eirq)
 {
 	unsigned long mask, oldmask;
 	unsigned int veirq;
@@ -270,7 +270,7 @@ static u32 leon_cycles_offset(void)
 #ifdef CONFIG_SMP
 
 /* smp clockevent irq */
-irqreturn_t leon_percpu_timer_ce_interrupt(int irq, void *unused)
+static irqreturn_t leon_percpu_timer_ce_interrupt(int irq, void *unused)
 {
 	struct clock_event_device *ce;
 	int cpu = smp_processor_id();
@@ -313,7 +313,7 @@ void __init leon_init_timers(void)
 
 	leondebug_irq_disable = 0;
 	leon_debug_irqout = 0;
-	master_l10_counter = (unsigned int *)&dummy_master_l10_counter;
+	master_l10_counter = (u32 __iomem *)&dummy_master_l10_counter;
 	dummy_master_l10_counter = 0;
 
 	rootnp = of_find_node_by_path("/ambapp0");
diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
index e16c4157e1ae..899b7203a4e4 100644
--- a/arch/sparc/kernel/leon_pci.c
+++ b/arch/sparc/kernel/leon_pci.c
@@ -98,82 +98,3 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
 {
 	return res->start;
 }
-
-/* in/out routines taken from pcic.c
- *
- * This probably belongs here rather than ioport.c because
- * we do not want this crud linked into SBus kernels.
- * Also, think for a moment about likes of floppy.c that
- * include architecture specific parts. They may want to redefine ins/outs.
- *
- * We do not use horrible macros here because we want to
- * advance pointer by sizeof(size).
- */
-void outsb(unsigned long addr, const void *src, unsigned long count)
-{
-	while (count) {
-		count -= 1;
-		outb(*(const char *)src, addr);
-		src += 1;
-		/* addr += 1; */
-	}
-}
-EXPORT_SYMBOL(outsb);
-
-void outsw(unsigned long addr, const void *src, unsigned long count)
-{
-	while (count) {
-		count -= 2;
-		outw(*(const short *)src, addr);
-		src += 2;
-		/* addr += 2; */
-	}
-}
-EXPORT_SYMBOL(outsw);
-
-void outsl(unsigned long addr, const void *src, unsigned long count)
-{
-	while (count) {
-		count -= 4;
-		outl(*(const long *)src, addr);
-		src += 4;
-		/* addr += 4; */
-	}
-}
-EXPORT_SYMBOL(outsl);
-
-void insb(unsigned long addr, void *dst, unsigned long count)
-{
-	while (count) {
-		count -= 1;
-		*(unsigned char *)dst = inb(addr);
-		dst += 1;
-		/* addr += 1; */
-	}
-}
-EXPORT_SYMBOL(insb);
-
-void insw(unsigned long addr, void *dst, unsigned long count)
-{
-	while (count) {
-		count -= 2;
-		*(unsigned short *)dst = inw(addr);
-		dst += 2;
-		/* addr += 2; */
-	}
-}
-EXPORT_SYMBOL(insw);
-
-void insl(unsigned long addr, void *dst, unsigned long count)
-{
-	while (count) {
-		count -= 4;
-		/*
-		 * XXX I am sure we are in for an unaligned trap here.
-		 */
-		*(unsigned long *)dst = inl(addr);
-		dst += 4;
-		/* addr += 4; */
-	}
-}
-EXPORT_SYMBOL(insl);
diff --git a/arch/sparc/kernel/leon_pci_grpci1.c b/arch/sparc/kernel/leon_pci_grpci1.c
index 6df26e37f879..c8bf26edfa7c 100644
--- a/arch/sparc/kernel/leon_pci_grpci1.c
+++ b/arch/sparc/kernel/leon_pci_grpci1.c
@@ -80,7 +80,7 @@ struct grpci1_regs {
 
 struct grpci1_priv {
 	struct leon_pci_info	info; /* must be on top of this structure */
-	struct grpci1_regs	*regs;		/* GRPCI register map */
+	struct grpci1_regs __iomem *regs;		/* GRPCI register map */
 	struct device		*dev;
 	int			pci_err_mask;	/* STATUS register error mask */
 	int			irq;		/* LEON irqctrl GRPCI IRQ */
@@ -101,7 +101,7 @@ static struct grpci1_priv *grpci1priv;
 static int grpci1_cfg_w32(struct grpci1_priv *priv, unsigned int bus,
 				unsigned int devfn, int where, u32 val);
 
-int grpci1_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+static int grpci1_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	struct grpci1_priv *priv = dev->bus->sysdata;
 	int irq_group;
@@ -144,7 +144,7 @@ static int grpci1_cfg_r32(struct grpci1_priv *priv, unsigned int bus,
 		grpci1_cfg_w32(priv, TGT, 0, PCI_COMMAND, tmp);
 	} else {
 		/* Bus always little endian (unaffected by byte-swapping) */
-		*val = flip_dword(tmp);
+		*val = swab32(tmp);
 	}
 
 	return 0;
@@ -197,7 +197,7 @@ static int grpci1_cfg_w32(struct grpci1_priv *priv, unsigned int bus,
 
 	pci_conf = (unsigned int *) (priv->pci_conf |
 						(devfn << 8) | (where & 0xfc));
-	LEON3_BYPASS_STORE_PA(pci_conf, flip_dword(val));
+	LEON3_BYPASS_STORE_PA(pci_conf, swab32(val));
 
 	return 0;
 }
@@ -417,10 +417,10 @@ out:
  *  BAR1: peripheral DMA to host's memory (size at least 256MByte)
  *  BAR2..BAR5: not implemented in hardware
  */
-void grpci1_hw_init(struct grpci1_priv *priv)
+static void grpci1_hw_init(struct grpci1_priv *priv)
 {
 	u32 ahbadr, bar_sz, data, pciadr;
-	struct grpci1_regs *regs = priv->regs;
+	struct grpci1_regs __iomem *regs = priv->regs;
 
 	/* set 1:1 mapping between AHB -> PCI memory space */
 	REGSTORE(regs->cfg_stat, priv->pci_area & 0xf0000000);
@@ -509,7 +509,7 @@ static irqreturn_t grpci1_err_interrupt(int irq, void *arg)
 
 static int grpci1_of_probe(struct platform_device *ofdev)
 {
-	struct grpci1_regs *regs;
+	struct grpci1_regs __iomem *regs;
 	struct grpci1_priv *priv;
 	int err, len;
 	const int *tmp;
@@ -690,7 +690,7 @@ err3:
 err2:
 	release_resource(&priv->info.mem_space);
 err1:
-	iounmap((void *)priv->pci_io_va);
+	iounmap((void __iomem *)priv->pci_io_va);
 	grpci1priv = NULL;
 	return err;
 }
diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c
index 24d6a4446349..e433a4d69fe0 100644
--- a/arch/sparc/kernel/leon_pci_grpci2.c
+++ b/arch/sparc/kernel/leon_pci_grpci2.c
@@ -191,7 +191,7 @@ struct grpci2_cap_first {
 
 struct grpci2_priv {
 	struct leon_pci_info	info; /* must be on top of this structure */
-	struct grpci2_regs	*regs;
+	struct grpci2_regs __iomem *regs;
 	char			irq;
 	char			irq_mode; /* IRQ Mode from CAPSTS REG */
 	char			bt_enabled;
@@ -215,10 +215,10 @@ struct grpci2_priv {
 	struct grpci2_barcfg	tgtbars[6];
 };
 
-DEFINE_SPINLOCK(grpci2_dev_lock);
-struct grpci2_priv *grpci2priv;
+static DEFINE_SPINLOCK(grpci2_dev_lock);
+static struct grpci2_priv *grpci2priv;
 
-int grpci2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+static int grpci2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 {
 	struct grpci2_priv *priv = dev->bus->sysdata;
 	int irq_group;
@@ -270,7 +270,7 @@ static int grpci2_cfg_r32(struct grpci2_priv *priv, unsigned int bus,
 		*val = 0xffffffff;
 	} else {
 		/* Bus always little endian (unaffected by byte-swapping) */
-		*val = flip_dword(tmp);
+		*val = swab32(tmp);
 	}
 
 	return 0;
@@ -328,7 +328,7 @@ static int grpci2_cfg_w32(struct grpci2_priv *priv, unsigned int bus,
 
 	pci_conf = (unsigned int *) (priv->pci_conf |
 						(devfn << 8) | (where & 0xfc));
-	LEON3_BYPASS_STORE_PA(pci_conf, flip_dword(val));
+	LEON3_BYPASS_STORE_PA(pci_conf, swab32(val));
 
 	/* Wait until GRPCI2 signals that CFG access is done, it should be
 	 * done instantaneously unless a DMA operation is ongoing...
@@ -561,10 +561,10 @@ out:
 	return virq;
 }
 
-void grpci2_hw_init(struct grpci2_priv *priv)
+static void grpci2_hw_init(struct grpci2_priv *priv)
 {
 	u32 ahbadr, pciadr, bar_sz, capptr, io_map, data;
-	struct grpci2_regs *regs = priv->regs;
+	struct grpci2_regs __iomem *regs = priv->regs;
 	int i;
 	struct grpci2_barcfg *barcfg = priv->tgtbars;
 
@@ -655,7 +655,7 @@ static irqreturn_t grpci2_jump_interrupt(int irq, void *arg)
 static irqreturn_t grpci2_err_interrupt(int irq, void *arg)
 {
 	struct grpci2_priv *priv = arg;
-	struct grpci2_regs *regs = priv->regs;
+	struct grpci2_regs __iomem *regs = priv->regs;
 	unsigned int status;
 
 	status = REGLOAD(regs->sts_cap);
@@ -682,7 +682,7 @@ static irqreturn_t grpci2_err_interrupt(int irq, void *arg)
 
 static int grpci2_of_probe(struct platform_device *ofdev)
 {
-	struct grpci2_regs *regs;
+	struct grpci2_regs __iomem *regs;
 	struct grpci2_priv *priv;
 	int err, i, len;
 	const int *tmp;
@@ -878,7 +878,7 @@ err4:
 	release_resource(&priv->info.mem_space);
 err3:
 	err = -ENOMEM;
-	iounmap((void *)priv->pci_io_va);
+	iounmap((void __iomem *)priv->pci_io_va);
 err2:
 	kfree(priv);
 err1:
diff --git a/arch/sparc/kernel/leon_pmc.c b/arch/sparc/kernel/leon_pmc.c
index b0b3967a2dd2..ddcf950282ed 100644
--- a/arch/sparc/kernel/leon_pmc.c
+++ b/arch/sparc/kernel/leon_pmc.c
@@ -12,14 +12,14 @@
 #include <asm/processor.h>
 
 /* List of Systems that need fixup instructions around power-down instruction */
-unsigned int pmc_leon_fixup_ids[] = {
+static unsigned int pmc_leon_fixup_ids[] = {
 	AEROFLEX_UT699,
 	GAISLER_GR712RC,
 	LEON4_NEXTREME1,
 	0
 };
 
-int pmc_leon_need_fixup(void)
+static int pmc_leon_need_fixup(void)
 {
 	unsigned int systemid = amba_system_id >> 16;
 	unsigned int *id;
@@ -38,7 +38,7 @@ int pmc_leon_need_fixup(void)
  * CPU idle callback function for systems that need some extra handling
  * See .../arch/sparc/kernel/process.c
  */
-void pmc_leon_idle_fixup(void)
+static void pmc_leon_idle_fixup(void)
 {
 	/* Prepare an address to a non-cachable region. APB is always
 	 * none-cachable. One instruction is executed after the Sleep
@@ -62,7 +62,7 @@ void pmc_leon_idle_fixup(void)
  * CPU idle callback function
  * See .../arch/sparc/kernel/process.c
  */
-void pmc_leon_idle(void)
+static void pmc_leon_idle(void)
 {
 	/* Interrupts need to be enabled to not hang the CPU */
 	local_irq_enable();
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 6edf955f987c..018ef11f57df 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -130,7 +130,7 @@ void leon_configure_cache_smp(void)
 	local_ops->tlb_all();
 }
 
-void leon_smp_setbroadcast(unsigned int mask)
+static void leon_smp_setbroadcast(unsigned int mask)
 {
 	int broadcast =
 	    ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >>
@@ -148,13 +148,6 @@ void leon_smp_setbroadcast(unsigned int mask)
 	LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpbroadcast), mask);
 }
 
-unsigned int leon_smp_getbroadcast(void)
-{
-	unsigned int mask;
-	mask = LEON_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpbroadcast));
-	return mask;
-}
-
 int leon_smp_nrcpus(void)
 {
 	int nrcpu =
@@ -266,10 +259,6 @@ void __init leon_smp_done(void)
 
 }
 
-void leon_irq_rotate(int cpu)
-{
-}
-
 struct leon_ipi_work {
 	int single;
 	int msk;
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index 3241f56331c2..de0ee3971f00 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -5,8 +5,10 @@
 #include <linux/mod_devicetable.h>
 #include <linux/errno.h>
 #include <linux/irq.h>
-#include <linux/of_device.h>
 #include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
 
 #include "of_device_common.h"
 
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 857ad77df9c0..539babf00bb2 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -28,6 +28,7 @@
 #include <asm/apb.h>
 
 #include "pci_impl.h"
+#include "kernel.h"
 
 /* List of all PCI controllers found in the system. */
 struct pci_pbm_info *pci_pbm_root = NULL;
diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h
index 5f688531f48c..75803c780af3 100644
--- a/arch/sparc/kernel/pci_impl.h
+++ b/arch/sparc/kernel/pci_impl.h
@@ -48,8 +48,8 @@ struct sparc64_msiq_ops {
 			      unsigned long devino);
 };
 
-extern void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
-				 const struct sparc64_msiq_ops *ops);
+void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
+			  const struct sparc64_msiq_ops *ops);
 
 struct sparc64_msiq_cookie {
 	struct pci_pbm_info *pbm;
@@ -158,23 +158,23 @@ extern struct pci_pbm_info *pci_pbm_root;
 extern int pci_num_pbms;
 
 /* PCI bus scanning and fixup support. */
-extern void pci_get_pbm_props(struct pci_pbm_info *pbm);
-extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm,
-					struct device *parent);
-extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
+void pci_get_pbm_props(struct pci_pbm_info *pbm);
+struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm,
+				 struct device *parent);
+void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
 
 /* Error reporting support. */
-extern void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *);
-extern void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *);
-extern void pci_scan_for_parity_error(struct pci_pbm_info *, struct pci_bus *);
+void pci_scan_for_target_abort(struct pci_pbm_info *, struct pci_bus *);
+void pci_scan_for_master_abort(struct pci_pbm_info *, struct pci_bus *);
+void pci_scan_for_parity_error(struct pci_pbm_info *, struct pci_bus *);
 
 /* Configuration space access. */
-extern void pci_config_read8(u8 *addr, u8 *ret);
-extern void pci_config_read16(u16 *addr, u16 *ret);
-extern void pci_config_read32(u32 *addr, u32 *ret);
-extern void pci_config_write8(u8 *addr, u8 val);
-extern void pci_config_write16(u16 *addr, u16 val);
-extern void pci_config_write32(u32 *addr, u32 val);
+void pci_config_read8(u8 *addr, u8 *ret);
+void pci_config_read16(u16 *addr, u16 *ret);
+void pci_config_read32(u32 *addr, u32 *ret);
+void pci_config_write8(u8 *addr, u8 val);
+void pci_config_write16(u16 *addr, u16 val);
+void pci_config_write32(u32 *addr, u32 val);
 
 extern struct pci_ops sun4u_pci_ops;
 extern struct pci_ops sun4v_pci_ops;
diff --git a/arch/sparc/kernel/pci_sun4v.h b/arch/sparc/kernel/pci_sun4v.h
index 8e9fc3a5b4f5..5642212390b2 100644
--- a/arch/sparc/kernel/pci_sun4v.h
+++ b/arch/sparc/kernel/pci_sun4v.h
@@ -6,87 +6,87 @@
 #ifndef _PCI_SUN4V_H
 #define _PCI_SUN4V_H
 
-extern long pci_sun4v_iommu_map(unsigned long devhandle,
-				unsigned long tsbid,
-				unsigned long num_ttes,
-				unsigned long io_attributes,
-				unsigned long io_page_list_pa);
-extern unsigned long pci_sun4v_iommu_demap(unsigned long devhandle,
-					   unsigned long tsbid,
-					   unsigned long num_ttes);
-extern unsigned long pci_sun4v_iommu_getmap(unsigned long devhandle,
-					    unsigned long tsbid,
-					    unsigned long *io_attributes,
-					    unsigned long *real_address);
-extern unsigned long pci_sun4v_config_get(unsigned long devhandle,
-					  unsigned long pci_device,
-					  unsigned long config_offset,
-					  unsigned long size);
-extern int pci_sun4v_config_put(unsigned long devhandle,
-				unsigned long pci_device,
-				unsigned long config_offset,
-				unsigned long size,
-				unsigned long data);
+long pci_sun4v_iommu_map(unsigned long devhandle,
+			 unsigned long tsbid,
+			 unsigned long num_ttes,
+			 unsigned long io_attributes,
+			 unsigned long io_page_list_pa);
+unsigned long pci_sun4v_iommu_demap(unsigned long devhandle,
+				    unsigned long tsbid,
+				    unsigned long num_ttes);
+unsigned long pci_sun4v_iommu_getmap(unsigned long devhandle,
+				     unsigned long tsbid,
+				     unsigned long *io_attributes,
+				     unsigned long *real_address);
+unsigned long pci_sun4v_config_get(unsigned long devhandle,
+				   unsigned long pci_device,
+				   unsigned long config_offset,
+				   unsigned long size);
+int pci_sun4v_config_put(unsigned long devhandle,
+			 unsigned long pci_device,
+			 unsigned long config_offset,
+			 unsigned long size,
+			 unsigned long data);
 
-extern unsigned long pci_sun4v_msiq_conf(unsigned long devhandle,
+unsigned long pci_sun4v_msiq_conf(unsigned long devhandle,
 					 unsigned long msiqid,
 					 unsigned long msiq_paddr,
 					 unsigned long num_entries);
-extern unsigned long pci_sun4v_msiq_info(unsigned long devhandle,
-					 unsigned long msiqid,
-					 unsigned long *msiq_paddr,
-					 unsigned long *num_entries);
-extern unsigned long pci_sun4v_msiq_getvalid(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long *valid);
-extern unsigned long pci_sun4v_msiq_setvalid(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long valid);
-extern unsigned long pci_sun4v_msiq_getstate(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long *state);
-extern unsigned long pci_sun4v_msiq_setstate(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long state);
-extern unsigned long pci_sun4v_msiq_gethead(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long *head);
-extern unsigned long pci_sun4v_msiq_sethead(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long head);
-extern unsigned long pci_sun4v_msiq_gettail(unsigned long devhandle,
-					     unsigned long msiqid,
-					     unsigned long *head);
-extern unsigned long pci_sun4v_msi_getvalid(unsigned long devhandle,
-					    unsigned long msinum,
-					    unsigned long *valid);
-extern unsigned long pci_sun4v_msi_setvalid(unsigned long devhandle,
-					    unsigned long msinum,
-					    unsigned long valid);
-extern unsigned long pci_sun4v_msi_getmsiq(unsigned long devhandle,
-					   unsigned long msinum,
-					   unsigned long *msiq);
-extern unsigned long pci_sun4v_msi_setmsiq(unsigned long devhandle,
-					   unsigned long msinum,
-					   unsigned long msiq,
-					   unsigned long msitype);
-extern unsigned long pci_sun4v_msi_getstate(unsigned long devhandle,
-					    unsigned long msinum,
-					    unsigned long *state);
-extern unsigned long pci_sun4v_msi_setstate(unsigned long devhandle,
-					    unsigned long msinum,
-					    unsigned long state);
-extern unsigned long pci_sun4v_msg_getmsiq(unsigned long devhandle,
-					   unsigned long msinum,
-					   unsigned long *msiq);
-extern unsigned long pci_sun4v_msg_setmsiq(unsigned long devhandle,
-					   unsigned long msinum,
-					   unsigned long msiq);
-extern unsigned long pci_sun4v_msg_getvalid(unsigned long devhandle,
-					    unsigned long msinum,
-					    unsigned long *valid);
-extern unsigned long pci_sun4v_msg_setvalid(unsigned long devhandle,
-					    unsigned long msinum,
-					    unsigned long valid);
+unsigned long pci_sun4v_msiq_info(unsigned long devhandle,
+				  unsigned long msiqid,
+				  unsigned long *msiq_paddr,
+				  unsigned long *num_entries);
+unsigned long pci_sun4v_msiq_getvalid(unsigned long devhandle,
+				      unsigned long msiqid,
+				      unsigned long *valid);
+unsigned long pci_sun4v_msiq_setvalid(unsigned long devhandle,
+				      unsigned long msiqid,
+				      unsigned long valid);
+unsigned long pci_sun4v_msiq_getstate(unsigned long devhandle,
+				      unsigned long msiqid,
+				      unsigned long *state);
+unsigned long pci_sun4v_msiq_setstate(unsigned long devhandle,
+				      unsigned long msiqid,
+				      unsigned long state);
+unsigned long pci_sun4v_msiq_gethead(unsigned long devhandle,
+				     unsigned long msiqid,
+				     unsigned long *head);
+unsigned long pci_sun4v_msiq_sethead(unsigned long devhandle,
+				     unsigned long msiqid,
+				     unsigned long head);
+unsigned long pci_sun4v_msiq_gettail(unsigned long devhandle,
+				      unsigned long msiqid,
+				      unsigned long *head);
+unsigned long pci_sun4v_msi_getvalid(unsigned long devhandle,
+				     unsigned long msinum,
+				     unsigned long *valid);
+unsigned long pci_sun4v_msi_setvalid(unsigned long devhandle,
+				     unsigned long msinum,
+				     unsigned long valid);
+unsigned long pci_sun4v_msi_getmsiq(unsigned long devhandle,
+				    unsigned long msinum,
+				    unsigned long *msiq);
+unsigned long pci_sun4v_msi_setmsiq(unsigned long devhandle,
+				    unsigned long msinum,
+				    unsigned long msiq,
+				    unsigned long msitype);
+unsigned long pci_sun4v_msi_getstate(unsigned long devhandle,
+				     unsigned long msinum,
+				     unsigned long *state);
+unsigned long pci_sun4v_msi_setstate(unsigned long devhandle,
+				     unsigned long msinum,
+				     unsigned long state);
+unsigned long pci_sun4v_msg_getmsiq(unsigned long devhandle,
+				    unsigned long msinum,
+				    unsigned long *msiq);
+unsigned long pci_sun4v_msg_setmsiq(unsigned long devhandle,
+				    unsigned long msinum,
+				    unsigned long msiq);
+unsigned long pci_sun4v_msg_getvalid(unsigned long devhandle,
+				     unsigned long msinum,
+				     unsigned long *valid);
+unsigned long pci_sun4v_msg_setvalid(unsigned long devhandle,
+				     unsigned long msinum,
+				     unsigned long valid);
 
 #endif /* !(_PCI_SUN4V_H) */
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 09f4fdd8d808..6cc78c213c01 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -36,6 +36,7 @@
 #include <asm/uaccess.h>
 #include <asm/irq_regs.h>
 
+#include "kernel.h"
 #include "irq.h"
 
 /*
@@ -162,8 +163,8 @@ static int pcic0_up;
 static struct linux_pcic pcic0;
 
 void __iomem *pcic_regs;
-volatile int pcic_speculative;
-volatile int pcic_trapped;
+static volatile int pcic_speculative;
+static volatile int pcic_trapped;
 
 /* forward */
 unsigned int pcic_build_device_irq(struct platform_device *op,
@@ -329,7 +330,7 @@ int __init pcic_probe(void)
 
 	pcic->pcic_res_cfg_addr.name = "pcic_cfg_addr";
 	if ((pcic->pcic_config_space_addr =
-	    ioremap(regs[2].phys_addr, regs[2].reg_size * 2)) == 0) {
+	    ioremap(regs[2].phys_addr, regs[2].reg_size * 2)) == NULL) {
 		prom_printf("PCIC: Error, cannot map "
 			    "PCI Configuration Space Address.\n");
 		prom_halt();
@@ -341,7 +342,7 @@ int __init pcic_probe(void)
 	 */
 	pcic->pcic_res_cfg_data.name = "pcic_cfg_data";
 	if ((pcic->pcic_config_space_data =
-	    ioremap(regs[3].phys_addr, regs[3].reg_size * 2)) == 0) {
+	    ioremap(regs[3].phys_addr, regs[3].reg_size * 2)) == NULL) {
 		prom_printf("PCIC: Error, cannot map "
 			    "PCI Configuration Space Data.\n");
 		prom_halt();
@@ -353,7 +354,6 @@ int __init pcic_probe(void)
 	strcpy(pbm->prom_name, namebuf);
 
 	{
-		extern volatile int t_nmi[4];
 		extern int pcic_nmi_trap_patch[4];
 
 		t_nmi[0] = pcic_nmi_trap_patch[0];
@@ -536,7 +536,7 @@ pcic_fill_irq(struct linux_pcic *pcic, struct pci_dev *dev, int node)
 		prom_getstring(node, "name", namebuf, sizeof(namebuf));
 	}
 
-	if ((p = pcic->pcic_imap) == 0) {
+	if ((p = pcic->pcic_imap) == NULL) {
 		dev->irq = 0;
 		return;
 	}
@@ -670,30 +670,6 @@ void pcibios_fixup_bus(struct pci_bus *bus)
 	}
 }
 
-/*
- * pcic_pin_to_irq() is exported to bus probing code
- */
-unsigned int
-pcic_pin_to_irq(unsigned int pin, const char *name)
-{
-	struct linux_pcic *pcic = &pcic0;
-	unsigned int irq;
-	unsigned int ivec;
-
-	if (pin < 4) {
-		ivec = readw(pcic->pcic_regs+PCI_INT_SELECT_LO);
-		irq = ivec >> (pin << 2) & 0xF;
-	} else if (pin < 8) {
-		ivec = readw(pcic->pcic_regs+PCI_INT_SELECT_HI);
-		irq = ivec >> ((pin-4) << 2) & 0xF;
-	} else {					/* Corrupted map */
-		printk("PCIC: BAD PIN %d FOR %s\n", pin, name);
-		for (;;) {}	/* XXX Cannot panic properly in case of PROLL */
-	}
-/* P3 */ /* printk("PCIC: dev %s pin %d ivec 0x%x irq %x\n", name, pin, ivec, irq); */
-	return irq;
-}
-
 /* Makes compiler happy */
 static volatile int pcic_timer_dummy;
 
@@ -783,7 +759,7 @@ int pcibios_enable_device(struct pci_dev *pdev, int mask)
 void pcic_nmi(unsigned int pend, struct pt_regs *regs)
 {
 
-	pend = flip_dword(pend);
+	pend = swab32(pend);
 
 	if (!pcic_speculative || (pend & PCI_SYS_INT_PENDING_PIO) == 0) {
 		/*
@@ -875,82 +851,4 @@ void __init sun4m_pci_init_IRQ(void)
 	sparc_config.load_profile_irq = pcic_load_profile_irq;
 }
 
-/*
- * This probably belongs here rather than ioport.c because
- * we do not want this crud linked into SBus kernels.
- * Also, think for a moment about likes of floppy.c that
- * include architecture specific parts. They may want to redefine ins/outs.
- *
- * We do not use horrible macros here because we want to
- * advance pointer by sizeof(size).
- */
-void outsb(unsigned long addr, const void *src, unsigned long count)
-{
-	while (count) {
-		count -= 1;
-		outb(*(const char *)src, addr);
-		src += 1;
-		/* addr += 1; */
-	}
-}
-EXPORT_SYMBOL(outsb);
-
-void outsw(unsigned long addr, const void *src, unsigned long count)
-{
-	while (count) {
-		count -= 2;
-		outw(*(const short *)src, addr);
-		src += 2;
-		/* addr += 2; */
-	}
-}
-EXPORT_SYMBOL(outsw);
-
-void outsl(unsigned long addr, const void *src, unsigned long count)
-{
-	while (count) {
-		count -= 4;
-		outl(*(const long *)src, addr);
-		src += 4;
-		/* addr += 4; */
-	}
-}
-EXPORT_SYMBOL(outsl);
-
-void insb(unsigned long addr, void *dst, unsigned long count)
-{
-	while (count) {
-		count -= 1;
-		*(unsigned char *)dst = inb(addr);
-		dst += 1;
-		/* addr += 1; */
-	}
-}
-EXPORT_SYMBOL(insb);
-
-void insw(unsigned long addr, void *dst, unsigned long count)
-{
-	while (count) {
-		count -= 2;
-		*(unsigned short *)dst = inw(addr);
-		dst += 2;
-		/* addr += 2; */
-	}
-}
-EXPORT_SYMBOL(insw);
-
-void insl(unsigned long addr, void *dst, unsigned long count)
-{
-	while (count) {
-		count -= 4;
-		/*
-		 * XXX I am sure we are in for an unaligned trap here.
-		 */
-		*(unsigned long *)dst = inl(addr);
-		dst += 4;
-		/* addr += 4; */
-	}
-}
-EXPORT_SYMBOL(insl);
-
 subsys_initcall(pcic_init);
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index b5c38faa4ead..8efd33753ad3 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -110,7 +110,7 @@ struct cpu_hw_events {
 
 	unsigned int		group_flag;
 };
-DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, };
+static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { .enabled = 1, };
 
 /* An event map describes the characteristics of a performance
  * counter event.  In particular it gives the encoding as well as
@@ -1153,7 +1153,7 @@ static void perf_stop_nmi_watchdog(void *unused)
 		cpuc->pcr[i] = pcr_ops->read_pcr(i);
 }
 
-void perf_event_grab_pmc(void)
+static void perf_event_grab_pmc(void)
 {
 	if (atomic_inc_not_zero(&active_events))
 		return;
@@ -1169,7 +1169,7 @@ void perf_event_grab_pmc(void)
 	mutex_unlock(&pmc_grab_mutex);
 }
 
-void perf_event_release_pmc(void)
+static void perf_event_release_pmc(void)
 {
 	if (atomic_dec_and_mutex_lock(&active_events, &pmc_grab_mutex)) {
 		if (atomic_read(&nmi_active) == 0)
@@ -1669,7 +1669,7 @@ static bool __init supported_pmu(void)
 	return false;
 }
 
-int __init init_hw_perf_events(void)
+static int __init init_hw_perf_events(void)
 {
 	pr_info("Performance events: ");
 
@@ -1742,10 +1742,11 @@ static void perf_callchain_user_64(struct perf_callchain_entry *entry,
 
 	ufp = regs->u_regs[UREG_I6] + STACK_BIAS;
 	do {
-		struct sparc_stackf *usf, sf;
+		struct sparc_stackf __user *usf;
+		struct sparc_stackf sf;
 		unsigned long pc;
 
-		usf = (struct sparc_stackf *) ufp;
+		usf = (struct sparc_stackf __user *)ufp;
 		if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))
 			break;
 
@@ -1765,17 +1766,19 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry,
 		unsigned long pc;
 
 		if (thread32_stack_is_64bit(ufp)) {
-			struct sparc_stackf *usf, sf;
+			struct sparc_stackf __user *usf;
+			struct sparc_stackf sf;
 
 			ufp += STACK_BIAS;
-			usf = (struct sparc_stackf *) ufp;
+			usf = (struct sparc_stackf __user *)ufp;
 			if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))
 				break;
 			pc = sf.callers_pc & 0xffffffff;
 			ufp = ((unsigned long) sf.fp) & 0xffffffff;
 		} else {
-			struct sparc_stackf32 *usf, sf;
-			usf = (struct sparc_stackf32 *) ufp;
+			struct sparc_stackf32 __user *usf;
+			struct sparc_stackf32 sf;
+			usf = (struct sparc_stackf32 __user *)ufp;
 			if (__copy_from_user_inatomic(&sf, usf, sizeof(sf)))
 				break;
 			pc = sf.callers_pc;
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 510baec1b69b..50e7b626afe8 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -10,6 +10,7 @@
 
 #include <stdarg.h>
 
+#include <linux/elfcore.h>
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -23,6 +24,7 @@
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/slab.h>
+#include <linux/cpu.h>
 
 #include <asm/auxio.h>
 #include <asm/oplib.h>
@@ -38,6 +40,8 @@
 #include <asm/unistd.h>
 #include <asm/setup.h>
 
+#include "kernel.h"
+
 /* 
  * Power management idle function 
  * Set in pm platform drivers (apc.c and pmc.c)
@@ -102,8 +106,12 @@ void machine_restart(char * cmd)
 void machine_power_off(void)
 {
 	if (auxio_power_register &&
-	    (strcmp(of_console_device->type, "serial") || scons_pwroff))
-		*auxio_power_register |= AUXIO_POWER_OFF;
+	    (strcmp(of_console_device->type, "serial") || scons_pwroff)) {
+		u8 power_register = sbus_readb(auxio_power_register);
+		power_register |= AUXIO_POWER_OFF;
+		sbus_writeb(power_register, auxio_power_register);
+	}
+
 	machine_halt();
 }
 
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index d7b4967f8fa6..b2988f25e230 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -88,7 +88,7 @@ void arch_cpu_idle(void)
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
-void arch_cpu_idle_dead()
+void arch_cpu_idle_dead(void)
 {
 	sched_preempt_enable_no_resched();
 	cpu_play_dead();
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index cf5fe1c0b024..890281b12b28 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -4,7 +4,7 @@
 #include <linux/spinlock.h>
 #include <asm/prom.h>
 
-extern void of_console_init(void);
+void of_console_init(void);
 
 extern unsigned int prom_early_allocated;
 
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index 9a690d39c01b..20cc5d80a471 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -15,11 +15,12 @@
  *      2 of the License, or (at your option) any later version.
  */
 
+#include <linux/memblock.h>
 #include <linux/kernel.h>
-#include <linux/types.h>
 #include <linux/string.h>
+#include <linux/types.h>
+#include <linux/cpu.h>
 #include <linux/mm.h>
-#include <linux/memblock.h>
 #include <linux/of.h>
 
 #include <asm/prom.h>
diff --git a/arch/sparc/kernel/psycho_common.h b/arch/sparc/kernel/psycho_common.h
index 590b4ed8ab5e..05a6e30a928e 100644
--- a/arch/sparc/kernel/psycho_common.h
+++ b/arch/sparc/kernel/psycho_common.h
@@ -30,19 +30,19 @@ enum psycho_error_type {
 	UE_ERR, CE_ERR, PCI_ERR
 };
 
-extern void psycho_check_iommu_error(struct pci_pbm_info *pbm,
-				     unsigned long afsr,
-				     unsigned long afar,
-				     enum psycho_error_type type);
+void psycho_check_iommu_error(struct pci_pbm_info *pbm,
+			      unsigned long afsr,
+			      unsigned long afar,
+			      enum psycho_error_type type);
 
-extern irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
+irqreturn_t psycho_pcierr_intr(int irq, void *dev_id);
 
-extern int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
-			     u32 dvma_offset, u32 dma_mask,
-			     unsigned long write_complete_offset);
+int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize,
+		      u32 dvma_offset, u32 dma_mask,
+		      unsigned long write_complete_offset);
 
-extern void psycho_pbm_init_common(struct pci_pbm_info *pbm,
-				   struct platform_device *op,
-				   const char *chip_name, int chip_type);
+void psycho_pbm_init_common(struct pci_pbm_info *pbm,
+			    struct platform_device *op,
+			    const char *chip_name, int chip_type);
 
 #endif /* _PSYCHO_COMMON_H */
diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c
index 896ba7c5cd8e..a331fdc11a2c 100644
--- a/arch/sparc/kernel/ptrace_32.c
+++ b/arch/sparc/kernel/ptrace_32.c
@@ -26,6 +26,8 @@
 #include <asm/uaccess.h>
 #include <asm/cacheflush.h>
 
+#include "kernel.h"
+
 /* #define ALLOW_INIT_TRACING */
 
 /*
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 1434526970a6..baef495c06bd 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -267,7 +267,7 @@ static __init void leon_patch(void)
 }
 
 struct tt_entry *sparc_ttable;
-struct pt_regs fake_swapper_regs;
+static struct pt_regs fake_swapper_regs;
 
 /* Called from head_32.S - before we have setup anything
  * in the kernel. Be very careful with what you do here.
@@ -365,7 +365,7 @@ void __init setup_arch(char **cmdline_p)
 
 	prom_setsync(prom_sync_me);
 
-	if((boot_flags&BOOTME_DEBUG) && (linux_dbvec!=0) && 
+	if((boot_flags & BOOTME_DEBUG) && (linux_dbvec != NULL) &&
 	   ((*(short *)linux_dbvec) != -1)) {
 		printk("Booted under KADB. Syncing trap table.\n");
 		(*(linux_dbvec->teach_debugger))();
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index ee789d2ef05d..62deba7be1a9 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -31,6 +31,7 @@
 #include <asm/switch_to.h>
 
 #include "sigutil.h"
+#include "kernel.h"
 
 /* This magic should be in g_upper[0] for all upper parts
  * to be valid.
@@ -145,7 +146,7 @@ void do_sigreturn32(struct pt_regs *regs)
 	unsigned int psr;
 	unsigned pc, npc;
 	sigset_t set;
-	unsigned seta[_COMPAT_NSIG_WORDS];
+	compat_sigset_t seta;
 	int err, i;
 	
 	/* Always make any pending restarted system calls return -EINTR */
@@ -209,17 +210,13 @@ void do_sigreturn32(struct pt_regs *regs)
 		if (restore_rwin_state(compat_ptr(rwin_save)))
 			goto segv;
 	}
-	err |= __get_user(seta[0], &sf->info.si_mask);
-	err |= copy_from_user(seta+1, &sf->extramask,
+	err |= __get_user(seta.sig[0], &sf->info.si_mask);
+	err |= copy_from_user(&seta.sig[1], &sf->extramask,
 			      (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
 	if (err)
 	    	goto segv;
-	switch (_NSIG_WORDS) {
-		case 4: set.sig[3] = seta[6] + (((long)seta[7]) << 32);
-		case 3: set.sig[2] = seta[4] + (((long)seta[5]) << 32);
-		case 2: set.sig[1] = seta[2] + (((long)seta[3]) << 32);
-		case 1: set.sig[0] = seta[0] + (((long)seta[1]) << 32);
-	}
+
+	set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32);
 	set_current_blocked(&set);
 	return;
 
@@ -303,12 +300,7 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
 			goto segv;
 	}
 
-	switch (_NSIG_WORDS) {
-		case 4: set.sig[3] = seta.sig[6] + (((long)seta.sig[7]) << 32);
-		case 3: set.sig[2] = seta.sig[4] + (((long)seta.sig[5]) << 32);
-		case 2: set.sig[1] = seta.sig[2] + (((long)seta.sig[3]) << 32);
-		case 1: set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32);
-	}
+	set.sig[0] = seta.sig[0] + (((long)seta.sig[1]) << 32);
 	set_current_blocked(&set);
 	return;
 segv:
@@ -417,7 +409,7 @@ static int setup_frame32(struct ksignal *ksig, struct pt_regs *regs,
 	void __user *tail;
 	int sigframe_size;
 	u32 psr;
-	unsigned int seta[_COMPAT_NSIG_WORDS];
+	compat_sigset_t seta;
 
 	/* 1. Make sure everything is clean */
 	synchronize_user_stack();
@@ -481,18 +473,14 @@ static int setup_frame32(struct ksignal *ksig, struct pt_regs *regs,
 		err |= __put_user(0, &sf->rwin_save);
 	}
 
-	switch (_NSIG_WORDS) {
-	case 4: seta[7] = (oldset->sig[3] >> 32);
-	        seta[6] = oldset->sig[3];
-	case 3: seta[5] = (oldset->sig[2] >> 32);
-	        seta[4] = oldset->sig[2];
-	case 2: seta[3] = (oldset->sig[1] >> 32);
-	        seta[2] = oldset->sig[1];
-	case 1: seta[1] = (oldset->sig[0] >> 32);
-	        seta[0] = oldset->sig[0];
-	}
-	err |= __put_user(seta[0], &sf->info.si_mask);
-	err |= __copy_to_user(sf->extramask, seta + 1,
+	/* If these change we need to know - assignments to seta relies on these sizes */
+	BUILD_BUG_ON(_NSIG_WORDS != 1);
+	BUILD_BUG_ON(_COMPAT_NSIG_WORDS != 2);
+	seta.sig[1] = (oldset->sig[0] >> 32);
+	seta.sig[0] = oldset->sig[0];
+
+	err |= __put_user(seta.sig[0], &sf->info.si_mask);
+	err |= __copy_to_user(sf->extramask, &seta.sig[1],
 			      (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
 
 	if (!wsaved) {
@@ -622,16 +610,8 @@ static int setup_rt_frame32(struct ksignal *ksig, struct pt_regs *regs,
 	/* Setup sigaltstack */
 	err |= __compat_save_altstack(&sf->stack, regs->u_regs[UREG_FP]);
 
-	switch (_NSIG_WORDS) {
-	case 4: seta.sig[7] = (oldset->sig[3] >> 32);
-		seta.sig[6] = oldset->sig[3];
-	case 3: seta.sig[5] = (oldset->sig[2] >> 32);
-		seta.sig[4] = oldset->sig[2];
-	case 2: seta.sig[3] = (oldset->sig[1] >> 32);
-		seta.sig[2] = oldset->sig[1];
-	case 1: seta.sig[1] = (oldset->sig[0] >> 32);
-		seta.sig[0] = oldset->sig[0];
-	}
+	seta.sig[1] = (oldset->sig[0] >> 32);
+	seta.sig[0] = oldset->sig[0];
 	err |= __copy_to_user(&sf->mask, &seta, sizeof(compat_sigset_t));
 
 	if (!wsaved) {
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 7d5d8e1f8415..9ee72fc8e0e4 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -28,6 +28,7 @@
 #include <asm/switch_to.h>
 
 #include "sigutil.h"
+#include "kernel.h"
 
 extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
 		   void *fpqueue, unsigned long *fpqdepth);
@@ -341,7 +342,7 @@ static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs,
 	err |= __put_user(0, &sf->extra_size);
 
 	if (psr & PSR_EF) {
-		__siginfo_fpu_t *fp = tail;
+		__siginfo_fpu_t __user *fp = tail;
 		tail += sizeof(*fp);
 		err |= save_fpu_state(regs, fp);
 		err |= __put_user(fp, &sf->fpu_save);
@@ -349,7 +350,7 @@ static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs,
 		err |= __put_user(0, &sf->fpu_save);
 	}
 	if (wsaved) {
-		__siginfo_rwin_t *rwp = tail;
+		__siginfo_rwin_t __user *rwp = tail;
 		tail += sizeof(*rwp);
 		err |= save_rwin_state(wsaved, rwp);
 		err |= __put_user(rwp, &sf->rwin_save);
@@ -517,9 +518,9 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
 	}
 }
 
-asmlinkage int
-do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
-		unsigned long sp)
+asmlinkage int do_sys_sigstack(struct sigstack __user *ssptr,
+                               struct sigstack __user *ossptr,
+                               unsigned long sp)
 {
 	int ret = -EFAULT;
 
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index cd91d010e6d3..1a6999868031 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -35,9 +35,10 @@
 #include <asm/switch_to.h>
 #include <asm/cacheflush.h>
 
-#include "entry.h"
-#include "systbls.h"
 #include "sigutil.h"
+#include "systbls.h"
+#include "kernel.h"
+#include "entry.h"
 
 /* {set, get}context() needed for 64-bit SparcLinux userland. */
 asmlinkage void sparc64_set_context(struct pt_regs *regs)
@@ -492,7 +493,6 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 
 #ifdef CONFIG_COMPAT
 	if (test_thread_flag(TIF_32BIT)) {
-		extern void do_signal32(struct pt_regs *);
 		do_signal32(regs);
 		return;
 	}
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index a102bfba6ea8..7958242d63c5 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -20,6 +20,7 @@
 #include <linux/seq_file.h>
 #include <linux/cache.h>
 #include <linux/delay.h>
+#include <linux/profile.h>
 #include <linux/cpu.h>
 
 #include <asm/ptrace.h>
@@ -75,8 +76,6 @@ void smp_store_cpu_info(int id)
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
-	extern void smp4m_smp_done(void);
-	extern void smp4d_smp_done(void);
 	unsigned long bogosum = 0;
 	int cpu, num = 0;
 
@@ -183,8 +182,6 @@ int setup_profiling_timer(unsigned int multiplier)
 
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
-	extern void __init smp4m_boot_cpus(void);
-	extern void __init smp4d_boot_cpus(void);
 	int i, cpuid, extra;
 
 	printk("Entering SMP Mode...\n");
@@ -261,8 +258,6 @@ void __init smp_prepare_boot_cpu(void)
 
 int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 {
-	extern int smp4m_boot_one_cpu(int, struct task_struct *);
-	extern int smp4d_boot_one_cpu(int, struct task_struct *);
 	int ret=0;
 
 	switch(sparc_cpu_model) {
@@ -297,7 +292,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 	return ret;
 }
 
-void arch_cpu_pre_starting(void *arg)
+static void arch_cpu_pre_starting(void *arg)
 {
 	local_ops->cache_all();
 	local_ops->tlb_all();
@@ -317,7 +312,7 @@ void arch_cpu_pre_starting(void *arg)
 	}
 }
 
-void arch_cpu_pre_online(void *arg)
+static void arch_cpu_pre_online(void *arg)
 {
 	unsigned int cpuid = hard_smp_processor_id();
 
@@ -344,7 +339,7 @@ void arch_cpu_pre_online(void *arg)
 	}
 }
 
-void sparc_start_secondary(void *arg)
+static void sparc_start_secondary(void *arg)
 {
 	unsigned int cpu;
 
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 745a3633ce14..41aa2478f3ca 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -25,6 +25,7 @@
 #include <linux/ftrace.h>
 #include <linux/cpu.h>
 #include <linux/slab.h>
+#include <linux/kgdb.h>
 
 #include <asm/head.h>
 #include <asm/ptrace.h>
@@ -35,6 +36,7 @@
 #include <asm/hvtramp.h>
 #include <asm/io.h>
 #include <asm/timer.h>
+#include <asm/setup.h>
 
 #include <asm/irq.h>
 #include <asm/irq_regs.h>
@@ -52,6 +54,7 @@
 #include <asm/pcr.h>
 
 #include "cpumap.h"
+#include "kernel.h"
 
 DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE;
 cpumask_t cpu_core_map[NR_CPUS] __read_mostly =
@@ -272,14 +275,6 @@ static void smp_synchronize_one_tick(int cpu)
 }
 
 #if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU)
-/* XXX Put this in some common place. XXX */
-static unsigned long kimage_addr_to_ra(void *p)
-{
-	unsigned long val = (unsigned long) p;
-
-	return kern_base + (val - KERNBASE);
-}
-
 static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg,
 				void **descrp)
 {
@@ -867,11 +862,6 @@ extern unsigned long xcall_flush_dcache_page_cheetah;
 #endif
 extern unsigned long xcall_flush_dcache_page_spitfire;
 
-#ifdef CONFIG_DEBUG_DCFLUSH
-extern atomic_t dcpage_flushes;
-extern atomic_t dcpage_flushes_xcall;
-#endif
-
 static inline void __local_flush_dcache_page(struct page *page)
 {
 #ifdef DCACHE_ALIASING_POSSIBLE
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index f8933be3ca8b..a1bb2675b280 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -143,7 +143,7 @@ static void sun4d_sbus_handler_irq(int sbusl)
 	}
 }
 
-void sun4d_handler_irq(int pil, struct pt_regs *regs)
+void sun4d_handler_irq(unsigned int pil, struct pt_regs *regs)
 {
 	struct pt_regs *old_regs;
 	/* SBUS IRQ level (1 - 7) */
@@ -236,7 +236,7 @@ static void sun4d_shutdown_irq(struct irq_data *data)
 	irq_unlink(data->irq);
 }
 
-struct irq_chip sun4d_irq = {
+static struct irq_chip sun4d_irq = {
 	.name		= "sun4d",
 	.irq_startup	= sun4d_startup_irq,
 	.irq_shutdown	= sun4d_shutdown_irq,
@@ -285,9 +285,9 @@ static void __init sun4d_load_profile_irqs(void)
 	}
 }
 
-unsigned int _sun4d_build_device_irq(unsigned int real_irq,
-                                     unsigned int pil,
-                                     unsigned int board)
+static unsigned int _sun4d_build_device_irq(unsigned int real_irq,
+                                            unsigned int pil,
+                                            unsigned int board)
 {
 	struct sun4d_handler_data *handler_data;
 	unsigned int irq;
@@ -320,8 +320,8 @@ err_out:
 
 
 
-unsigned int sun4d_build_device_irq(struct platform_device *op,
-                                    unsigned int real_irq)
+static unsigned int sun4d_build_device_irq(struct platform_device *op,
+                                           unsigned int real_irq)
 {
 	struct device_node *dp = op->dev.of_node;
 	struct device_node *board_parent, *bus = dp->parent;
@@ -383,7 +383,8 @@ err_out:
 	return irq;
 }
 
-unsigned int sun4d_build_timer_irq(unsigned int board, unsigned int real_irq)
+static unsigned int sun4d_build_timer_irq(unsigned int board,
+                                          unsigned int real_irq)
 {
 	return _sun4d_build_device_irq(real_irq, real_irq, board);
 }
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index 71368850dfc0..022c30c72ebd 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -49,6 +49,8 @@
 #include <asm/mmu_context.h>
 #include <asm/compat_signal.h>
 
+#include "systbls.h"
+
 asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
 {
 	if ((int)high < 0)
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 3a8d1844402e..646988d4c1a3 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -24,6 +24,8 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
+#include "systbls.h"
+
 /* #define DEBUG_UNIMP_SYSCALL */
 
 /* XXX Make this per-binary type, this way we can detect the type of
@@ -68,7 +70,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
  * sys_pipe() is the normal C calling standard for creating
  * a pipe. It's not the way unix traditionally does this, though.
  */
-asmlinkage int sparc_pipe(struct pt_regs *regs)
+asmlinkage long sparc_pipe(struct pt_regs *regs)
 {
 	int fd[2];
 	int error;
@@ -93,7 +95,7 @@ int sparc_mmap_check(unsigned long addr, unsigned long len)
 
 /* Linux version of mmap */
 
-asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
+asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 	unsigned long prot, unsigned long flags, unsigned long fd,
 	unsigned long pgoff)
 {
@@ -103,7 +105,7 @@ asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
 			      pgoff >> (PAGE_SHIFT - 12));
 }
 
-asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
+asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
 	unsigned long prot, unsigned long flags, unsigned long fd,
 	unsigned long off)
 {
@@ -197,7 +199,7 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig,
 	return ret;
 }
 
-asmlinkage int sys_getdomainname(char __user *name, int len)
+asmlinkage long sys_getdomainname(char __user *name, int len)
 {
  	int nlen, err;
  	
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index beb0b5a5f21f..c85403d0496c 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -31,6 +31,7 @@
 #include <asm/unistd.h>
 
 #include "entry.h"
+#include "kernel.h"
 #include "systbls.h"
 
 /* #define DEBUG_UNIMP_SYSCALL */
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index 26e6dd72e92a..2dab8236d490 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -1,41 +1,103 @@
 #ifndef _SYSTBLS_H
 #define _SYSTBLS_H
 
+#include <linux/signal.h>
 #include <linux/kernel.h>
+#include <linux/compat.h>
 #include <linux/types.h>
-#include <linux/signal.h>
+
 #include <asm/utrap.h>
 
-extern asmlinkage unsigned long sys_getpagesize(void);
-extern asmlinkage long sparc_pipe(struct pt_regs *regs);
-extern asmlinkage long sys_sparc_ipc(unsigned int call, int first,
-			       unsigned long second,
-			       unsigned long third,
-			       void __user *ptr, long fifth);
-extern asmlinkage long sparc64_personality(unsigned long personality);
-extern asmlinkage long sys64_munmap(unsigned long addr, size_t len);
-extern asmlinkage unsigned long sys64_mremap(unsigned long addr,
-					     unsigned long old_len,
-					     unsigned long new_len,
-					     unsigned long flags,
-					     unsigned long new_addr);
-extern asmlinkage unsigned long c_sys_nis_syscall(struct pt_regs *regs);
-extern asmlinkage long sys_getdomainname(char __user *name, int len);
-extern asmlinkage long sys_utrap_install(utrap_entry_t type,
-					 utrap_handler_t new_p,
-					 utrap_handler_t new_d,
-					 utrap_handler_t __user *old_p,
-					 utrap_handler_t __user *old_d);
-extern asmlinkage long sparc_memory_ordering(unsigned long model,
-					     struct pt_regs *regs);
-extern asmlinkage long sys_rt_sigaction(int sig,
-					const struct sigaction __user *act,
-					struct sigaction __user *oact,
-					void __user *restorer,
-					size_t sigsetsize);
+asmlinkage unsigned long sys_getpagesize(void);
+asmlinkage long sparc_pipe(struct pt_regs *regs);
+asmlinkage unsigned long c_sys_nis_syscall(struct pt_regs *regs);
+asmlinkage long sys_getdomainname(char __user *name, int len);
+void do_rt_sigreturn(struct pt_regs *regs);
+asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
+			 unsigned long prot, unsigned long flags,
+			 unsigned long fd, unsigned long off);
+asmlinkage void sparc_breakpoint(struct pt_regs *regs);
+
+#ifdef CONFIG_SPARC32
+asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
+			  unsigned long prot, unsigned long flags,
+			  unsigned long fd, unsigned long pgoff);
+long sparc_remap_file_pages(unsigned long start, unsigned long size,
+			    unsigned long prot, unsigned long pgoff,
+			    unsigned long flags);
 
-extern asmlinkage void sparc64_set_context(struct pt_regs *regs);
-extern asmlinkage void sparc64_get_context(struct pt_regs *regs);
-extern void do_rt_sigreturn(struct pt_regs *regs);
+#endif /* CONFIG_SPARC32 */
 
+#ifdef CONFIG_SPARC64
+asmlinkage long sys_sparc_ipc(unsigned int call, int first,
+			      unsigned long second,
+			      unsigned long third,
+			      void __user *ptr, long fifth);
+asmlinkage long sparc64_personality(unsigned long personality);
+asmlinkage long sys64_munmap(unsigned long addr, size_t len);
+asmlinkage unsigned long sys64_mremap(unsigned long addr,
+				      unsigned long old_len,
+				      unsigned long new_len,
+				      unsigned long flags,
+				      unsigned long new_addr);
+asmlinkage long sys_utrap_install(utrap_entry_t type,
+				  utrap_handler_t new_p,
+				  utrap_handler_t new_d,
+				  utrap_handler_t __user *old_p,
+				  utrap_handler_t __user *old_d);
+asmlinkage long sparc_memory_ordering(unsigned long model,
+				      struct pt_regs *regs);
+asmlinkage void sparc64_set_context(struct pt_regs *regs);
+asmlinkage void sparc64_get_context(struct pt_regs *regs);
+asmlinkage long sys32_truncate64(const char __user * path,
+				 unsigned long high,
+				 unsigned long low);
+asmlinkage long sys32_ftruncate64(unsigned int fd,
+				  unsigned long high,
+				  unsigned long low);
+struct compat_stat64;
+asmlinkage long compat_sys_stat64(const char __user * filename,
+				  struct compat_stat64 __user *statbuf);
+asmlinkage long compat_sys_lstat64(const char __user * filename,
+				   struct compat_stat64 __user *statbuf);
+asmlinkage long compat_sys_fstat64(unsigned int fd,
+				   struct compat_stat64 __user * statbuf);
+asmlinkage long compat_sys_fstatat64(unsigned int dfd,
+				     const char __user *filename,
+				     struct compat_stat64 __user * statbuf, int flag);
+asmlinkage compat_ssize_t sys32_pread64(unsigned int fd,
+					char __user *ubuf,
+					compat_size_t count,
+					unsigned long poshi,
+					unsigned long poslo);
+asmlinkage compat_ssize_t sys32_pwrite64(unsigned int fd,
+					 char __user *ubuf,
+					 compat_size_t count,
+					 unsigned long poshi,
+					 unsigned long poslo);
+asmlinkage long compat_sys_readahead(int fd,
+				     unsigned long offhi,
+				     unsigned long offlo,
+				     compat_size_t count);
+long compat_sys_fadvise64(int fd,
+			  unsigned long offhi,
+			  unsigned long offlo,
+			  compat_size_t len, int advice);
+long compat_sys_fadvise64_64(int fd,
+			     unsigned long offhi, unsigned long offlo,
+			     unsigned long lenhi, unsigned long lenlo,
+			     int advice);
+long sys32_sync_file_range(unsigned int fd,
+			   unsigned long off_high, unsigned long off_low,
+			   unsigned long nb_high, unsigned long nb_low,
+			   unsigned int flags);
+asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offhi, u32 offlo,
+				     u32 lenhi, u32 lenlo);
+asmlinkage long compat_sys_fstat64(unsigned int fd,
+				   struct compat_stat64 __user * statbuf);
+asmlinkage long compat_sys_fstatat64(unsigned int dfd,
+				     const char __user *filename,
+				     struct compat_stat64 __user * statbuf,
+				     int flag);
+#endif /* CONFIG_SPARC64 */
 #endif /* _SYSTBLS_H */
diff --git a/arch/sparc/kernel/tadpole.c b/arch/sparc/kernel/tadpole.c
deleted file mode 100644
index 9aba8bd5a78b..000000000000
--- a/arch/sparc/kernel/tadpole.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/* tadpole.c: Probing for the tadpole clock stopping h/w at boot time.
- *
- * Copyright (C) 1996 David Redman (djhr@tadpole.co.uk)
- */
-
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-
-#include <asm/asi.h>
-#include <asm/oplib.h>
-#include <asm/io.h>
-
-#define MACIO_SCSI_CSR_ADDR	0x78400000
-#define MACIO_EN_DMA		0x00000200
-#define CLOCK_INIT_DONE		1
-
-static int clk_state;
-static volatile unsigned char *clk_ctrl;
-void (*cpu_pwr_save)(void);
-
-static inline unsigned int ldphys(unsigned int addr)
-{
-	unsigned long data;
-    
-	__asm__ __volatile__("\n\tlda [%1] %2, %0\n\t" : 
-			     "=r" (data) :
-			     "r" (addr), "i" (ASI_M_BYPASS));
-	return data;
-}
-
-static void clk_init(void)
-{
-	__asm__ __volatile__("mov 0x6c, %%g1\n\t"
-			     "mov 0x4c, %%g2\n\t"
-			     "mov 0xdf, %%g3\n\t"
-			     "stb %%g1, [%0+3]\n\t"
-			     "stb %%g2, [%0+3]\n\t"
-			     "stb %%g3, [%0+3]\n\t" : :
-			     "r" (clk_ctrl) :
-			     "g1", "g2", "g3");
-}
-
-static void clk_slow(void)
-{
-	__asm__ __volatile__("mov 0xcc, %%g2\n\t"
-			     "mov 0x4c, %%g3\n\t"
-			     "mov 0xcf, %%g4\n\t"
-			     "mov 0xdf, %%g5\n\t"
-			     "stb %%g2, [%0+3]\n\t"
-			     "stb %%g3, [%0+3]\n\t"
-			     "stb %%g4, [%0+3]\n\t"
-			     "stb %%g5, [%0+3]\n\t" : :
-			     "r" (clk_ctrl) :
-			     "g2", "g3", "g4", "g5");
-}
-
-/*
- * Tadpole is guaranteed to be UP, using local_irq_save.
- */
-static void tsu_clockstop(void)
-{
-	unsigned int mcsr;
-	unsigned long flags;
-
-	if (!clk_ctrl)
-		return;
-	if (!(clk_state & CLOCK_INIT_DONE)) {
-		local_irq_save(flags);
-		clk_init();
-		clk_state |= CLOCK_INIT_DONE;       /* all done */
-		local_irq_restore(flags);
-		return;
-	}
-	if (!(clk_ctrl[2] & 1))
-		return;               /* no speed up yet */
-
-	local_irq_save(flags);
-
-	/* if SCSI DMA in progress, don't slow clock */
-	mcsr = ldphys(MACIO_SCSI_CSR_ADDR);
-	if ((mcsr&MACIO_EN_DMA) != 0) {
-		local_irq_restore(flags);
-		return;
-	}
-	/* TODO... the minimum clock setting ought to increase the
-	 * memory refresh interval..
-	 */
-	clk_slow();
-	local_irq_restore(flags);
-}
-
-static void swift_clockstop(void)
-{
-	if (!clk_ctrl)
-		return;
-	clk_ctrl[0] = 0;
-}
-
-void __init clock_stop_probe(void)
-{
-	phandle node, clk_nd;
-	char name[20];
-    
-	prom_getstring(prom_root_node, "name", name, sizeof(name));
-	if (strncmp(name, "Tadpole", 7))
-		return;
-	node = prom_getchild(prom_root_node);
-	node = prom_searchsiblings(node, "obio");
-	node = prom_getchild(node);
-	clk_nd = prom_searchsiblings(node, "clk-ctrl");
-	if (!clk_nd)
-		return;
-	printk("Clock Stopping h/w detected... ");
-	clk_ctrl = (char *) prom_getint(clk_nd, "address");
-	clk_state = 0;
-	if (name[10] == '\0') {
-		cpu_pwr_save = tsu_clockstop;
-		printk("enabled (S3)\n");
-	} else if ((name[10] == 'X') || (name[10] == 'G')) {
-		cpu_pwr_save = swift_clockstop;
-		printk("enabled (%s)\n",name+7);
-	} else
-		printk("disabled %s\n",name+7);
-}
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index c4c27b0f9063..5923d1e4e7c9 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -36,6 +36,7 @@
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 
+#include <asm/mc146818rtc.h>
 #include <asm/oplib.h>
 #include <asm/timex.h>
 #include <asm/timer.h>
@@ -47,6 +48,7 @@
 #include <asm/irq_regs.h>
 #include <asm/setup.h>
 
+#include "kernel.h"
 #include "irq.h"
 
 static __cacheline_aligned_in_smp DEFINE_SEQLOCK(timer_cs_lock);
@@ -83,7 +85,7 @@ unsigned long profile_pc(struct pt_regs *regs)
 
 EXPORT_SYMBOL(profile_pc);
 
-__volatile__ unsigned int *master_l10_counter;
+volatile u32 __iomem *master_l10_counter;
 
 int update_persistent_clock(struct timespec now)
 {
@@ -143,9 +145,9 @@ static __init void setup_timer_ce(void)
 
 static unsigned int sbus_cycles_offset(void)
 {
-	unsigned int val, offset;
+	u32 val, offset;
 
-	val = *master_l10_counter;
+	val = sbus_readl(master_l10_counter);
 	offset = (val >> TIMER_VALUE_SHIFT) & TIMER_VALUE_MASK;
 
 	/* Limit hit? */
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 662982946a89..6fd386c5232a 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -44,7 +44,7 @@ static void instruction_dump(unsigned long *pc)
 #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
 #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t")
 
-void die_if_kernel(char *str, struct pt_regs *regs)
+void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
 {
 	static int die_counter;
 	int count = 0;
@@ -219,8 +219,6 @@ static unsigned long fake_fsr;
 static unsigned long fake_queue[32] __attribute__ ((aligned (8)));
 static unsigned long fake_depth;
 
-extern int do_mathemu(struct pt_regs *, struct task_struct *);
-
 void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc,
 		 unsigned long psr)
 {
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 4ced92f05358..fb6640ec8557 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -43,8 +43,10 @@
 #include <asm/prom.h>
 #include <asm/memctrl.h>
 #include <asm/cacheflush.h>
+#include <asm/setup.h>
 
 #include "entry.h"
+#include "kernel.h"
 #include "kstack.h"
 
 /* When an irrecoverable trap occurs at tl > 0, the trap entry
@@ -2209,8 +2211,6 @@ out:
 	exception_exit(prev_state);
 }
 
-extern int do_mathemu(struct pt_regs *, struct fpustate *, bool);
-
 void do_fpother(struct pt_regs *regs)
 {
 	enum ctx_state prev_state = exception_enter();
@@ -2383,7 +2383,7 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
 	return (struct reg_window *) (fp + STACK_BIAS);
 }
 
-void die_if_kernel(char *str, struct pt_regs *regs)
+void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
 {
 	static int die_counter;
 	int count = 0;
@@ -2433,9 +2433,6 @@ EXPORT_SYMBOL(die_if_kernel);
 #define VIS_OPCODE_MASK	((0x3 << 30) | (0x3f << 19))
 #define VIS_OPCODE_VAL	((0x2 << 30) | (0x36 << 19))
 
-extern int handle_popc(u32 insn, struct pt_regs *regs);
-extern int handle_ldf_stq(u32 insn, struct pt_regs *regs);
-
 void do_illegal_instruction(struct pt_regs *regs)
 {
 	enum ctx_state prev_state = exception_enter();
@@ -2486,8 +2483,6 @@ out:
 	exception_exit(prev_state);
 }
 
-extern void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn);
-
 void mem_address_unaligned(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr)
 {
 	enum ctx_state prev_state = exception_enter();
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index c0ec89786193..c5c61b3c6b56 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -16,6 +16,10 @@
 #include <linux/smp.h>
 #include <linux/perf_event.h>
 
+#include <asm/setup.h>
+
+#include "kernel.h"
+
 enum direction {
 	load,    /* ld, ldd, ldh, ldsh */
 	store,   /* st, std, sth, stsh */
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 35ab8b60d256..62098a89bbbf 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -24,8 +24,10 @@
 #include <linux/context_tracking.h>
 #include <asm/fpumacro.h>
 #include <asm/cacheflush.h>
+#include <asm/setup.h>
 
 #include "entry.h"
+#include "kernel.h"
 
 enum direction {
 	load,    /* ld, ldd, ldh, ldsh */
diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c
index 3107381e576d..87bab0a3857a 100644
--- a/arch/sparc/kernel/windows.c
+++ b/arch/sparc/kernel/windows.c
@@ -10,8 +10,11 @@
 #include <linux/mm.h>
 #include <linux/smp.h>
 
+#include <asm/cacheflush.h>
 #include <asm/uaccess.h>
 
+#include "kernel.h"
+
 /* Do save's until all user register windows are out of the cpu. */
 void flush_user_windows(void)
 {
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index dbe119b63b48..3269b0234093 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -41,7 +41,7 @@ lib-$(CONFIG_SPARC64) += GENpatch.o GENpage.o GENbzero.o
 lib-$(CONFIG_SPARC64) += copy_in_user.o user_fixup.o memmove.o
 lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
 
-obj-y                 += iomap.o
+obj-$(CONFIG_SPARC64) += iomap.o
 obj-$(CONFIG_SPARC32) += atomic32.o ucmpdi2.o
 obj-y                 += ksyms.o
 obj-$(CONFIG_SPARC64) += PeeCeeI.o
diff --git a/arch/sparc/math-emu/sfp-util_32.h b/arch/sparc/math-emu/sfp-util_32.h
index d1b2aff3c259..bb587d5f3d9d 100644
--- a/arch/sparc/math-emu/sfp-util_32.h
+++ b/arch/sparc/math-emu/sfp-util_32.h
@@ -4,20 +4,20 @@
 #include <asm/byteorder.h>
 
 #define add_ssaaaa(sh, sl, ah, al, bh, bl) 				\
-  __asm__ ("addcc %r4,%5,%1\n\t"						\
+  __asm__ ("addcc %r4,%5,%1\n\t"					\
 	   "addx %r2,%3,%0\n"						\
-	   : "=r" ((USItype)(sh)),					\
-	     "=&r" ((USItype)(sl))					\
+	   : "=r" (sh),							\
+	     "=&r" (sl)							\
 	   : "%rJ" ((USItype)(ah)),					\
 	     "rI" ((USItype)(bh)),					\
 	     "%rJ" ((USItype)(al)),					\
 	     "rI" ((USItype)(bl))					\
 	   : "cc")
 #define sub_ddmmss(sh, sl, ah, al, bh, bl) 				\
-  __asm__ ("subcc %r4,%5,%1\n\t"						\
+  __asm__ ("subcc %r4,%5,%1\n\t"					\
 	   "subx %r2,%3,%0\n"						\
-	   : "=r" ((USItype)(sh)),					\
-	     "=&r" ((USItype)(sl))					\
+	   : "=r" (sh),							\
+	     "=&r" (sl)							\
 	   : "rJ" ((USItype)(ah)),					\
 	     "rI" ((USItype)(bh)),					\
 	     "rJ" ((USItype)(al)),					\
@@ -65,8 +65,8 @@
 	"mulscc	%%g1,0,%%g1\n\t" 					\
 	"add	%%g1,%%g2,%0\n\t" 					\
 	"rd	%%y,%1\n"						\
-	   : "=r" ((USItype)(w1)),					\
-	     "=r" ((USItype)(w0))					\
+	   : "=r" (w1),							\
+	     "=r" (w0)							\
 	   : "%rI" ((USItype)(u)),					\
 	     "r" ((USItype)(v))						\
 	   : "%g1", "%g2", "cc")
@@ -98,8 +98,8 @@
 	   "sub	%1,%2,%1\n\t"						\
 	   "3:	xnor	%0,0,%0\n\t"					\
 	   "! End of inline udiv_qrnnd\n"				\
-	   : "=&r" ((USItype)(q)),					\
-	     "=&r" ((USItype)(r))					\
+	   : "=&r" (q),							\
+	     "=&r" (r)							\
 	   : "r" ((USItype)(d)),					\
 	     "1" ((USItype)(n1)),					\
 	     "0" ((USItype)(n0)) : "%g1", "cc")
diff --git a/arch/sparc/math-emu/sfp-util_64.h b/arch/sparc/math-emu/sfp-util_64.h
index 425d3cf01af4..51320a861cc2 100644
--- a/arch/sparc/math-emu/sfp-util_64.h
+++ b/arch/sparc/math-emu/sfp-util_64.h
@@ -17,8 +17,8 @@
   	   "bcs,a,pn %%xcc, 1f\n\t"		\
   	   "add %0, 1, %0\n"			\
   	   "1:"					\
-	   : "=r" ((UDItype)(sh)),		\
-	     "=&r" ((UDItype)(sl))		\
+	   : "=r" (sh),				\
+	     "=&r" (sl)				\
 	   : "r" ((UDItype)(ah)),		\
 	     "r" ((UDItype)(bh)),		\
 	     "r" ((UDItype)(al)),		\
@@ -31,8 +31,8 @@
   	   "bcs,a,pn %%xcc, 1f\n\t"		\
   	   "sub %0, 1, %0\n"			\
   	   "1:"					\
-	   : "=r" ((UDItype)(sh)),		\
-	     "=&r" ((UDItype)(sl))		\
+	   : "=r" (sh),				\
+	     "=&r" (sl)				\
 	   : "r" ((UDItype)(ah)),		\
 	     "r" ((UDItype)(bh)),		\
 	     "r" ((UDItype)(al)),		\
@@ -64,8 +64,8 @@
 		   "sllx %3,32,%3\n\t"			\
 		   "add %1,%3,%1\n\t"			\
 		   "add %5,%2,%0"			\
-	   : "=r" ((UDItype)(wh)),			\
-	     "=&r" ((UDItype)(wl)),			\
+	   : "=r" (wh),					\
+	     "=&r" (wl),				\
 	     "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4) \
 	   : "r" ((UDItype)(u)),			\
 	     "r" ((UDItype)(v))				\
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index 59dbd4645725..908e8c17c902 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -26,14 +26,14 @@
 #include <asm/pgtable.h>
 #include <asm/openprom.h>
 #include <asm/oplib.h>
+#include <asm/setup.h>
 #include <asm/smp.h>
 #include <asm/traps.h>
 #include <asm/uaccess.h>
 
-int show_unhandled_signals = 1;
+#include "mm_32.h"
 
-static void unhandled_fault(unsigned long, struct task_struct *,
-		struct pt_regs *) __attribute__ ((noreturn));
+int show_unhandled_signals = 1;
 
 static void __noreturn unhandled_fault(unsigned long address,
 				       struct task_struct *tsk,
@@ -141,9 +141,6 @@ static void __do_fault_siginfo(int code, int sig, struct pt_regs *regs,
 	force_sig_info (sig, &info, current);
 }
 
-extern unsigned long safe_compute_effective_address(struct pt_regs *,
-						    unsigned int);
-
 static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
 {
 	unsigned int insn;
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 4ced3fc66130..587cd0565128 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -32,6 +32,7 @@
 #include <asm/lsu.h>
 #include <asm/sections.h>
 #include <asm/mmu_context.h>
+#include <asm/setup.h>
 
 int show_unhandled_signals = 1;
 
@@ -196,9 +197,6 @@ static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
 	force_sig_info(sig, &info, current);
 }
 
-extern int handle_ldf_stq(u32, struct pt_regs *);
-extern int handle_ld_nf(u32, struct pt_regs *);
-
 static unsigned int get_fault_insn(struct pt_regs *regs, unsigned int insn)
 {
 	if (!insn) {
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index db6987082805..eb8287155279 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -31,10 +31,13 @@
 #include <asm/pgtable.h>
 #include <asm/vaddrs.h>
 #include <asm/pgalloc.h>	/* bug in asm-generic/tlb.h: check_pgt_cache */
+#include <asm/setup.h>
 #include <asm/tlb.h>
 #include <asm/prom.h>
 #include <asm/leon.h>
 
+#include "mm_32.h"
+
 unsigned long *sparc_valid_addr_bitmap;
 EXPORT_SYMBOL(sparc_valid_addr_bitmap);
 
@@ -63,7 +66,6 @@ void show_mem(unsigned int filter)
 }
 
 
-extern unsigned long cmdline_memory_size;
 unsigned long last_valid_pfn;
 
 unsigned long calc_highpages(void)
@@ -246,9 +248,6 @@ unsigned long __init bootmem_init(unsigned long *pages_avail)
  * init routine based upon the Sun model type on the Sparc.
  *
  */
-extern void srmmu_paging_init(void);
-extern void device_scan(void);
-
 void __init paging_init(void)
 {
 	srmmu_paging_init();
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index ed3c969a5f4c..16b58ff11e65 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -47,6 +47,7 @@
 #include <asm/prom.h>
 #include <asm/mdesc.h>
 #include <asm/cpudata.h>
+#include <asm/setup.h>
 #include <asm/irq.h>
 
 #include "init_64.h"
@@ -794,11 +795,11 @@ struct node_mem_mask {
 static struct node_mem_mask node_masks[MAX_NUMNODES];
 static int num_node_masks;
 
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+
 int numa_cpu_lookup_table[NR_CPUS];
 cpumask_t numa_cpumask_lookup_table[MAX_NUMNODES];
 
-#ifdef CONFIG_NEED_MULTIPLE_NODES
-
 struct mdesc_mblock {
 	u64	base;
 	u64	size;
@@ -887,17 +888,21 @@ static void __init allocate_node_data(int nid)
 
 static void init_node_masks_nonnuma(void)
 {
+#ifdef CONFIG_NEED_MULTIPLE_NODES
 	int i;
+#endif
 
 	numadbg("Initializing tables for non-numa.\n");
 
 	node_masks[0].mask = node_masks[0].val = 0;
 	num_node_masks = 1;
 
+#ifdef CONFIG_NEED_MULTIPLE_NODES
 	for (i = 0; i < NR_CPUS; i++)
 		numa_cpu_lookup_table[i] = 0;
 
 	cpumask_setall(&numa_cpumask_lookup_table[0]);
+#endif
 }
 
 #ifdef CONFIG_NEED_MULTIPLE_NODES
diff --git a/arch/sparc/mm/init_64.h b/arch/sparc/mm/init_64.h
index 5d3782deb403..0668b364f44d 100644
--- a/arch/sparc/mm/init_64.h
+++ b/arch/sparc/mm/init_64.h
@@ -21,7 +21,7 @@ extern unsigned int sparc64_highest_unlocked_tlb_ent;
 extern unsigned long sparc64_kern_pri_context;
 extern unsigned long sparc64_kern_pri_nuc_bits;
 extern unsigned long sparc64_kern_sec_context;
-extern void mmu_info(struct seq_file *m);
+void mmu_info(struct seq_file *m);
 
 struct linux_prom_translation {
 	unsigned long virt;
@@ -36,7 +36,7 @@ extern unsigned int prom_trans_ents;
 /* Exported for SMP bootup purposes. */
 extern unsigned long kern_locked_tte_data;
 
-extern void prom_world(int enter);
+void prom_world(int enter);
 
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
 #define VMEMMAP_CHUNK_SHIFT	22
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index eb99862e9654..f311bf219016 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -25,6 +25,8 @@
 #include <asm/dma.h>
 #include <asm/oplib.h>
 
+#include "mm_32.h"
+
 /* #define IOUNIT_DEBUG */
 #ifdef IOUNIT_DEBUG
 #define IOD(x) printk(x)
@@ -38,7 +40,8 @@
 static void __init iounit_iommu_init(struct platform_device *op)
 {
 	struct iounit_struct *iounit;
-	iopte_t *xpt, *xptend;
+	iopte_t __iomem *xpt;
+	iopte_t __iomem *xptend;
 
 	iounit = kzalloc(sizeof(struct iounit_struct), GFP_ATOMIC);
 	if (!iounit) {
@@ -62,10 +65,10 @@ static void __init iounit_iommu_init(struct platform_device *op)
 	op->dev.archdata.iommu = iounit;
 	iounit->page_table = xpt;
 	spin_lock_init(&iounit->lock);
-	
-	for (xptend = iounit->page_table + (16 * PAGE_SIZE) / sizeof(iopte_t);
-	     xpt < xptend;)
-	     	iopte_val(*xpt++) = 0;
+
+	xptend = iounit->page_table + (16 * PAGE_SIZE) / sizeof(iopte_t);
+	for (; xpt < xptend; xpt++)
+		sbus_writel(0, xpt);
 }
 
 static int __init iounit_init(void)
@@ -130,7 +133,7 @@ nexti:	scan = find_next_zero_bit(iounit->bmap, limit, scan);
 	vaddr = IOUNIT_DMA_BASE + (scan << PAGE_SHIFT) + (vaddr & ~PAGE_MASK);
 	for (k = 0; k < npages; k++, iopte = __iopte(iopte_val(iopte) + 0x100), scan++) {
 		set_bit(scan, iounit->bmap);
-		iounit->page_table[scan] = iopte;
+		sbus_writel(iopte, &iounit->page_table[scan]);
 	}
 	IOD(("%08lx\n", vaddr));
 	return vaddr;
@@ -202,7 +205,7 @@ static int iounit_map_dma_area(struct device *dev, dma_addr_t *pba, unsigned lon
 	struct iounit_struct *iounit = dev->archdata.iommu;
 	unsigned long page, end;
 	pgprot_t dvma_prot;
-	iopte_t *iopte;
+	iopte_t __iomem *iopte;
 
 	*pba = addr;
 
@@ -224,8 +227,8 @@ static int iounit_map_dma_area(struct device *dev, dma_addr_t *pba, unsigned lon
 			
 			i = ((addr - IOUNIT_DMA_BASE) >> PAGE_SHIFT);
 
-			iopte = (iopte_t *)(iounit->page_table + i);
-			*iopte = MKIOPTE(__pa(page));
+			iopte = iounit->page_table + i;
+			sbus_writel(MKIOPTE(__pa(page)), iopte);
 		}
 		addr += PAGE_SIZE;
 		va += PAGE_SIZE;
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 28f96f27c768..491511d37e37 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -27,6 +27,8 @@
 #include <asm/iommu.h>
 #include <asm/dma.h>
 
+#include "mm_32.h"
+
 /*
  * This can be sized dynamically, but we will do this
  * only when we have a guidance about actual I/O pressures.
@@ -37,9 +39,6 @@
 #define IOMMU_NPTES	(IOMMU_WINSIZE/PAGE_SIZE)	/* 64K PTEs, 256KB */
 #define IOMMU_ORDER	6				/* 4096 * (1<<6) */
 
-/* srmmu.c */
-extern int viking_mxcc_present;
-extern int flush_page_for_dma_global;
 static int viking_flush;
 /* viking.S */
 extern void viking_flush_page(unsigned long page);
@@ -59,6 +58,8 @@ static void __init sbus_iommu_init(struct platform_device *op)
 	struct iommu_struct *iommu;
 	unsigned int impl, vers;
 	unsigned long *bitmap;
+	unsigned long control;
+	unsigned long base;
 	unsigned long tmp;
 
 	iommu = kmalloc(sizeof(struct iommu_struct), GFP_KERNEL);
@@ -73,12 +74,14 @@ static void __init sbus_iommu_init(struct platform_device *op)
 		prom_printf("Cannot map IOMMU registers\n");
 		prom_halt();
 	}
-	impl = (iommu->regs->control & IOMMU_CTRL_IMPL) >> 28;
-	vers = (iommu->regs->control & IOMMU_CTRL_VERS) >> 24;
-	tmp = iommu->regs->control;
-	tmp &= ~(IOMMU_CTRL_RNGE);
-	tmp |= (IOMMU_RNGE_256MB | IOMMU_CTRL_ENAB);
-	iommu->regs->control = tmp;
+
+	control = sbus_readl(&iommu->regs->control);
+	impl = (control & IOMMU_CTRL_IMPL) >> 28;
+	vers = (control & IOMMU_CTRL_VERS) >> 24;
+	control &= ~(IOMMU_CTRL_RNGE);
+	control |= (IOMMU_RNGE_256MB | IOMMU_CTRL_ENAB);
+	sbus_writel(control, &iommu->regs->control);
+
 	iommu_invalidate(iommu->regs);
 	iommu->start = IOMMU_START;
 	iommu->end = 0xffffffff;
@@ -100,7 +103,9 @@ static void __init sbus_iommu_init(struct platform_device *op)
 	memset(iommu->page_table, 0, IOMMU_NPTES*sizeof(iopte_t));
 	flush_cache_all();
 	flush_tlb_all();
-	iommu->regs->base = __pa((unsigned long) iommu->page_table) >> 4;
+
+	base = __pa((unsigned long)iommu->page_table) >> 4;
+	sbus_writel(base, &iommu->regs->base);
 	iommu_invalidate(iommu->regs);
 
 	bitmap = kmalloc(IOMMU_NPTES>>3, GFP_KERNEL);
diff --git a/arch/sparc/mm/leon_mm.c b/arch/sparc/mm/leon_mm.c
index 5bed085a2c17..3b17b6f7895a 100644
--- a/arch/sparc/mm/leon_mm.c
+++ b/arch/sparc/mm/leon_mm.c
@@ -15,10 +15,10 @@
 #include <asm/leon.h>
 #include <asm/tlbflush.h>
 
-#include "srmmu.h"
+#include "mm_32.h"
 
 int leon_flush_during_switch = 1;
-int srmmu_swprobe_trace;
+static int srmmu_swprobe_trace;
 
 static inline unsigned long leon_get_ctable_ptr(void)
 {
diff --git a/arch/sparc/mm/mm_32.h b/arch/sparc/mm/mm_32.h
new file mode 100644
index 000000000000..a6c27ca9a721
--- /dev/null
+++ b/arch/sparc/mm/mm_32.h
@@ -0,0 +1,24 @@
+/* fault_32.c - visible as they are called from assembler */
+asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc,
+                            unsigned long address);
+asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
+                               unsigned long address);
+
+void window_overflow_fault(void);
+void window_underflow_fault(unsigned long sp);
+void window_ret_fault(struct pt_regs *regs);
+
+/* srmmu.c */
+extern char *srmmu_name;
+extern int viking_mxcc_present;
+extern int flush_page_for_dma_global;
+
+extern void (*poke_srmmu)(void);
+
+void __init srmmu_paging_init(void);
+
+/* iommu.c */
+void ld_mmu_iommu(void);
+
+/* io-unit.c */
+void ld_mmu_iounit(void);
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index cfbe53c17b0d..be65f035d18a 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -49,7 +49,7 @@
 #include <asm/mxcc.h>
 #include <asm/ross.h>
 
-#include "srmmu.h"
+#include "mm_32.h"
 
 enum mbus_module srmmu_modtype;
 static unsigned int hwbug_bitmask;
@@ -100,7 +100,6 @@ static unsigned long srmmu_nocache_end;
 #define SRMMU_NOCACHE_ALIGN_MAX (sizeof(ctxd_t)*SRMMU_MAX_CONTEXTS)
 
 void *srmmu_nocache_pool;
-void *srmmu_nocache_bitmap;
 static struct bit_map srmmu_nocache_map;
 
 static inline int srmmu_pmd_none(pmd_t pmd)
@@ -173,7 +172,7 @@ static void *__srmmu_get_nocache(int size, int align)
 		printk(KERN_ERR "srmmu: out of nocache %d: %d/%d\n",
 		       size, (int) srmmu_nocache_size,
 		       srmmu_nocache_map.used << SRMMU_NOCACHE_BITMAP_SHIFT);
-		return 0;
+		return NULL;
 	}
 
 	addr = SRMMU_NOCACHE_VADDR + (offset << SRMMU_NOCACHE_BITMAP_SHIFT);
@@ -269,6 +268,7 @@ static void __init srmmu_nocache_calcsize(void)
 
 static void __init srmmu_nocache_init(void)
 {
+	void *srmmu_nocache_bitmap;
 	unsigned int bitmap_bits;
 	pgd_t *pgd;
 	pmd_t *pmd;
@@ -728,7 +728,7 @@ static inline unsigned long srmmu_probe(unsigned long vaddr)
 				     "=r" (retval) :
 				     "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE));
 	} else {
-		retval = leon_swprobe(vaddr, 0);
+		retval = leon_swprobe(vaddr, NULL);
 	}
 	return retval;
 }
@@ -865,8 +865,6 @@ static void __init map_kernel(void)
 
 void (*poke_srmmu)(void) = NULL;
 
-extern unsigned long bootmem_init(unsigned long *pages_avail);
-
 void __init srmmu_paging_init(void)
 {
 	int i;
@@ -1771,9 +1769,6 @@ static struct sparc32_cachetlb_ops smp_cachetlb_ops = {
 /* Load up routines and constants for sun4m and sun4d mmu */
 void __init load_mmu(void)
 {
-	extern void ld_mmu_iommu(void);
-	extern void ld_mmu_iounit(void);
-
 	/* Functions */
 	get_srmmu_type();
 
diff --git a/arch/sparc/mm/srmmu.h b/arch/sparc/mm/srmmu.h
deleted file mode 100644
index 5703274ccf89..000000000000
--- a/arch/sparc/mm/srmmu.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/* srmmu.c */
-extern char *srmmu_name;
-
-extern void (*poke_srmmu)(void);
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c
index fe19b81acc09..a06576683c38 100644
--- a/arch/sparc/mm/tsb.c
+++ b/arch/sparc/mm/tsb.c
@@ -9,6 +9,7 @@
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
+#include <asm/setup.h>
 #include <asm/tsb.h>
 #include <asm/tlb.h>
 #include <asm/oplib.h>
diff --git a/arch/sparc/prom/misc_64.c b/arch/sparc/prom/misc_64.c
index f178b9dcc7b7..53a696d3eb3b 100644
--- a/arch/sparc/prom/misc_64.c
+++ b/arch/sparc/prom/misc_64.c
@@ -81,11 +81,6 @@ void prom_feval(const char *fstring)
 }
 EXPORT_SYMBOL(prom_feval);
 
-#ifdef CONFIG_SMP
-extern void smp_capture(void);
-extern void smp_release(void);
-#endif
-
 /* Drop into the prom, with the chance to continue with the 'go'
  * prom command.
  */
author	Linus Torvalds <torvalds@linux-foundation.org>	2014-06-19 07:50:07 -1000
committer	Linus Torvalds <torvalds@linux-foundation.org>	2014-06-19 07:50:07 -1000
commit	c4222e4635c6d6a689bf69e982f19c9d1ba261e1 (patch)
tree	2e5954d33ff287da74029815355c353defd3abd0 /arch/sparc
parent	e99cfa2d0634881b8a41d56c48b5956b9a3ba162 (diff)
parent	311b8935ad4e13bac5880ae3f0c269b0c253d25f (diff)