s390: make various functions static, add declarations to header files

Make various functions static, add declarations to header files to
fix a couple of sparse findings.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

8 files changed, 13 insertions, 16 deletions

diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index 3ddbc26d246e..e9b04c33d383 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -53,27 +53,21 @@ void handle_signal32(unsigned long sig, struct k_sigaction *ka,
 		    siginfo_t *info, sigset_t *oldset, struct pt_regs *regs);
 void do_notify_resume(struct pt_regs *regs);
 
-struct ext_code;
-void do_extint(struct pt_regs *regs);
+void __init init_IRQ(void);
+void do_IRQ(struct pt_regs *regs, int irq);
 void do_restart(void);
 void __init startup_init(void);
 void die(struct pt_regs *regs, const char *str);
-
+int setup_profiling_timer(unsigned int multiplier);
 void __init time_init(void);
+int pfn_is_nosave(unsigned long);
+void s390_early_resume(void);
+unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip);
 
 struct s390_mmap_arg_struct;
 struct fadvise64_64_args;
 struct old_sigaction;
 
-long sys_mmap2(struct s390_mmap_arg_struct __user  *arg);
-long sys_s390_ipc(uint call, int first, unsigned long second,
-	     unsigned long third, void __user *ptr);
-long sys_s390_personality(unsigned int personality);
-long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low,
-		    size_t len, int advice);
-long sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
-long sys_s390_fallocate(int fd, int mode, loff_t offset, u32 len_high,
-			u32 len_low);
 long sys_sigreturn(void);
 long sys_rt_sigreturn(void);
 long sys32_sigreturn(void);
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index e3043aef87a9..4c8072068125 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -15,6 +15,7 @@
 #include <linux/kprobes.h>
 #include <trace/syscall.h>
 #include <asm/asm-offsets.h>
+#include "entry.h"
 
 #ifdef CONFIG_DYNAMIC_FTRACE
 
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 6834277124c9..6eba6fd8a8ec 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -206,7 +206,7 @@ struct ext_int_info {
 };
 
 /* ext_int_hash_lock protects the handler lists for external interrupts */
-DEFINE_SPINLOCK(ext_int_hash_lock);
+static DEFINE_SPINLOCK(ext_int_hash_lock);
 
 static inline int ext_hash(u16 code)
 {
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index ac2178161ec3..719e27b2cf22 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -50,7 +50,7 @@ static void add_elf_notes(int cpu)
 /*
  * Initialize CPU ELF notes
  */
-void setup_regs(void)
+static void setup_regs(void)
 {
 	unsigned long sa = S390_lowcore.prefixreg_save_area + SAVE_AREA_BASE;
 	int cpu, this_cpu;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index d386c4e9d2e5..1a4313a1b60f 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -362,7 +362,7 @@ void smp_yield_cpu(int cpu)
  * Send cpus emergency shutdown signal. This gives the cpus the
  * opportunity to complete outstanding interrupts.
  */
-void smp_emergency_stop(cpumask_t *cpumask)
+static void smp_emergency_stop(cpumask_t *cpumask)
 {
 	u64 end;
 	int cpu;
diff --git a/arch/s390/kernel/suspend.c b/arch/s390/kernel/suspend.c
index 737bff38e3ee..a7a7537ce1e7 100644
--- a/arch/s390/kernel/suspend.c
+++ b/arch/s390/kernel/suspend.c
@@ -13,6 +13,7 @@
 #include <asm/ipl.h>
 #include <asm/cio.h>
 #include <asm/pci.h>
+#include "entry.h"
 
 /*
  * References to section boundaries
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 921fa541dc04..d1e0e0c7a7e2 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -14,6 +14,7 @@
 #include <linux/gfp.h>
 #include <linux/cpu.h>
 #include <asm/ctl_reg.h>
+#include <asm/io.h>
 
 /*
  * This function writes to kernel memory bypassing DAT and possible
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 1224db4a4055..4645fafa42c7 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -958,7 +958,7 @@ void page_table_free_rcu(struct mmu_gather *tlb, unsigned long *table)
 	tlb_remove_table(tlb, table);
 }
 
-void __tlb_remove_table(void *_table)
+static void __tlb_remove_table(void *_table)
 {
 	const unsigned long mask = (FRAG_MASK << 4) | FRAG_MASK;
 	void *table = (void *)((unsigned long) _table & ~mask);