summaryrefslogtreecommitdiffstats
path: root/arch/xtensa
diff options
context:
space:
mode:
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/include/asm/spinlock.h31
-rw-r--r--arch/xtensa/include/asm/spinlock_types.h20
2 files changed, 37 insertions, 14 deletions
diff --git a/arch/xtensa/include/asm/spinlock.h b/arch/xtensa/include/asm/spinlock.h
index 0397590..1d95fa5 100644
--- a/arch/xtensa/include/asm/spinlock.h
+++ b/arch/xtensa/include/asm/spinlock.h
@@ -28,13 +28,13 @@
* 1 somebody owns the spinlock
*/
-#define __raw_spin_is_locked(x) ((x)->slock != 0)
-#define __raw_spin_unlock_wait(lock) \
- do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
+#define arch_spin_is_locked(x) ((x)->slock != 0)
+#define arch_spin_unlock_wait(lock) \
+ do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
+#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
+static inline void arch_spin_lock(arch_spinlock_t *lock)
{
unsigned long tmp;
@@ -51,7 +51,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
/* Returns 1 if the lock is obtained, 0 otherwise. */
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
unsigned long tmp;
@@ -67,7 +67,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
return tmp == 0 ? 1 : 0;
}
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
+static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
unsigned long tmp;
@@ -96,9 +96,9 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
* 0x80000000 one writer owns the rwlock, no other writers, no readers
*/
-#define __raw_write_can_lock(x) ((x)->lock == 0)
+#define arch_write_can_lock(x) ((x)->lock == 0)
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void arch_write_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
@@ -116,7 +116,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
/* Returns 1 if the lock is obtained, 0 otherwise. */
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int arch_write_trylock(arch_rwlock_t *rw)
{
unsigned long tmp;
@@ -133,7 +133,7 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
return tmp == 0 ? 1 : 0;
}
-static inline void __raw_write_unlock(raw_rwlock_t *rw)
+static inline void arch_write_unlock(arch_rwlock_t *rw)
{
unsigned long tmp;
@@ -145,7 +145,7 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
: "memory");
}
-static inline void __raw_read_lock(raw_rwlock_t *rw)
+static inline void arch_read_lock(arch_rwlock_t *rw)
{
unsigned long tmp;
unsigned long result;
@@ -164,7 +164,7 @@ static inline void __raw_read_lock(raw_rwlock_t *rw)
/* Returns 1 if the lock is obtained, 0 otherwise. */
-static inline int __raw_read_trylock(raw_rwlock_t *rw)
+static inline int arch_read_trylock(arch_rwlock_t *rw)
{
unsigned long result;
unsigned long tmp;
@@ -184,7 +184,7 @@ static inline int __raw_read_trylock(raw_rwlock_t *rw)
return result == 0;
}
-static inline void __raw_read_unlock(raw_rwlock_t *rw)
+static inline void arch_read_unlock(arch_rwlock_t *rw)
{
unsigned long tmp1, tmp2;
@@ -199,4 +199,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw)
: "memory");
}
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
+
#endif /* _XTENSA_SPINLOCK_H */
diff --git a/arch/xtensa/include/asm/spinlock_types.h b/arch/xtensa/include/asm/spinlock_types.h
new file mode 100644
index 0000000..7ec5ce1
--- /dev/null
+++ b/arch/xtensa/include/asm/spinlock_types.h
@@ -0,0 +1,20 @@
+#ifndef __ASM_SPINLOCK_TYPES_H
+#define __ASM_SPINLOCK_TYPES_H
+
+#ifndef __LINUX_SPINLOCK_TYPES_H
+# error "please don't include this file directly"
+#endif
+
+typedef struct {
+ volatile unsigned int slock;
+} arch_spinlock_t;
+
+#define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
+
+typedef struct {
+ volatile unsigned int lock;
+} arch_rwlock_t;
+
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
+
+#endif
OpenPOWER on IntegriCloud