summaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/spinlock.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
-rw-r--r--arch/powerpc/include/asm/spinlock.h68
1 files changed, 34 insertions, 34 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
index 198266cf9e2..764094cff68 100644
--- a/arch/powerpc/include/asm/spinlock.h
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -28,7 +28,7 @@
#include <asm/asm-compat.h>
#include <asm/synch.h>
-#define __raw_spin_is_locked(x) ((x)->slock != 0)
+#define arch_spin_is_locked(x) ((x)->slock != 0)
#ifdef CONFIG_PPC64
/* use 0x800000yy when locked, where yy == CPU number */
@@ -54,7 +54,7 @@
* This returns the old value in the lock, so we succeeded
* in getting the lock if the return value is 0.
*/
-static inline unsigned long arch_spin_trylock(raw_spinlock_t *lock)
+static inline unsigned long __arch_spin_trylock(arch_spinlock_t *lock)
{
unsigned long tmp, token;
@@ -73,10 +73,10 @@ static inline unsigned long arch_spin_trylock(raw_spinlock_t *lock)
return tmp;
}
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
CLEAR_IO_SYNC;
- return arch_spin_trylock(lock) == 0;
+ return __arch_spin_trylock(lock) == 0;
}
/*
@@ -96,19 +96,19 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
#if defined(CONFIG_PPC_SPLPAR) || defined(CONFIG_PPC_ISERIES)
/* We only yield to the hypervisor if we are in shared processor mode */
#define SHARED_PROCESSOR (get_lppaca()->shared_proc)
-extern void __spin_yield(raw_spinlock_t *lock);
-extern void __rw_yield(raw_rwlock_t *lock);
+extern void __spin_yield(arch_spinlock_t *lock);
+extern void __rw_yield(arch_rwlock_t *lock);
#else /* SPLPAR || ISERIES */
#define __spin_yield(x) barrier()
#define __rw_yield(x) barrier()
#define SHARED_PROCESSOR 0
#endif
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
+static inline void arch_spin_lock(arch_spinlock_t *lock)
{
CLEAR_IO_SYNC;
while (1) {
- if (likely(arch_spin_trylock(lock) == 0))
+ if (likely(__arch_spin_trylock(lock) == 0))
break;
do {
HMT_low();
@@ -120,13 +120,13 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
}
static inline
-void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
+void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
{
unsigned long flags_dis;
CLEAR_IO_SYNC;
while (1) {
- if (likely(arch_spin_trylock(lock) == 0))
+ if (likely(__arch_spin_trylock(lock) == 0))
break;
local_save_flags(flags_dis);
local_irq_restore(flags);
@@ -140,19 +140,19 @@ void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
}
}
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
+static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
SYNC_IO;
- __asm__ __volatile__("# __raw_spin_unlock\n\t"
+ __asm__ __volatile__("# arch_spin_unlock\n\t"
LWSYNC_ON_SMP: : :"memory");
lock->slock = 0;
}
#ifdef CONFIG_PPC64
-extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
+extern void arch_spin_unlock_wait(arch_spinlock_t *lock);
#else
-#define __raw_spin_unlock_wait(lock) \
- do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
+#define arch_spin_unlock_wait(lock) \
+ do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
#endif
/*
@@ -166,8 +166,8 @@ extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
* read-locks.
*/
-#define __raw_read_can_lock(rw) ((rw)->lock >= 0)
-#define __raw_write_can_lock(rw) (!(rw)->lock)
+#define arch_read_can_lock(rw) ((rw)->lock >= 0)
+#define arch_write_can_lock(rw) (!(rw)->lock)
#ifdef CONFIG_PPC64
#define __DO_SIGN_EXTEND "extsw %0,%0\n"
@@ -181,7 +181,7 @@ extern void __raw_spin_unlock_wait(raw_spinlock_t *lock);
* This returns the old value in the lock + 1,
* so we got a read lock if the return value is > 0.
*/
-static inline long arch_read_trylock(raw_rwlock_t *rw)
+static inline long __arch_read_trylock(arch_rwlock_t *rw)
{
long tmp;
@@ -205,7 +205,7 @@ static inline long arch_read_trylock(raw_rwlock_t *rw)
* This returns the old value in the lock,
* so we got the write lock if the return value is 0.
*/
-static inline long arch_write_trylock(raw_rwlock_t *rw)
+static inline long __arch_write_trylock(arch_rwlock_t *rw)
{
long tmp, token;
@@ -225,10 +225,10 @@ static inline long arch_write_trylock(raw_rwlock_t *rw)
return tmp;
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(arch_rwlock_t *rw)
{
while (1) {
- if (likely(arch_read_trylock(rw) > 0))
+ if (likely(__arch_read_trylock(rw) > 0))
break;
do {
HMT_low();
@@ -239,10 +239,10 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
}
}
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void arch_write_lock(arch_rwlock_t *rw)
{
while (1) {
- if (likely(arch_write_trylock(rw) == 0))
+ if (likely(__arch_write_trylock(rw) == 0))
break;
do {
HMT_low();
@@ -253,17 +253,17 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
}
}
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(arch_rwlock_t *rw)
{
- return arch_read_trylock(rw) > 0;
+ return __arch_read_trylock(rw) > 0;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int arch_write_trylock(arch_rwlock_t *rw)
{
- return arch_write_trylock(rw) == 0;
+ return __arch_write_trylock(rw) == 0;
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(arch_rwlock_t *rw)
{
long tmp;
@@ -280,19 +280,19 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
: "cr0", "xer", "memory");
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void arch_write_unlock(arch_rwlock_t *rw)
{
__asm__ __volatile__("# write_unlock\n\t"
LWSYNC_ON_SMP: : :"memory");
rw->lock = 0;
}
-#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
-#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
-#define _raw_spin_relax(lock) __spin_yield(lock)
-#define _raw_read_relax(lock) __rw_yield(lock)
-#define _raw_write_relax(lock) __rw_yield(lock)
+#define arch_spin_relax(lock) __spin_yield(lock)
+#define arch_read_relax(lock) __rw_yield(lock)
+#define arch_write_relax(lock) __rw_yield(lock)
#endif /* __KERNEL__ */
#endif /* __ASM_SPINLOCK_H */