summaryrefslogtreecommitdiffstats
path: root/include/asm-arm26/semaphore-helper.h
diff options
context:
space:
mode:
authorAdrian Bunk <bunk@stusta.de>2007-07-31 00:38:19 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:39:39 -0700
commit99eb8a550dbccc0e1f6c7e866fe421810e0585f6 (patch)
tree130c6e3338a0655ba74355eba83afab9261e1ed0 /include/asm-arm26/semaphore-helper.h
parent0d0ed42e5ca2e22465c591341839c18025748fe8 (diff)
downloadblackbird-op-linux-99eb8a550dbccc0e1f6c7e866fe421810e0585f6.tar.gz
blackbird-op-linux-99eb8a550dbccc0e1f6c7e866fe421810e0585f6.zip
Remove the arm26 port
The arm26 port has been in a state where it was far from even compiling for quite some time. Ian Molton agreed with the removal. Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: Ian Molton <spyro@f2s.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-arm26/semaphore-helper.h')
-rw-r--r--include/asm-arm26/semaphore-helper.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/include/asm-arm26/semaphore-helper.h b/include/asm-arm26/semaphore-helper.h
deleted file mode 100644
index 1d7f1987edb9..000000000000
--- a/include/asm-arm26/semaphore-helper.h
+++ /dev/null
@@ -1,84 +0,0 @@
-#ifndef ASMARM_SEMAPHORE_HELPER_H
-#define ASMARM_SEMAPHORE_HELPER_H
-
-/*
- * These two _must_ execute atomically wrt each other.
- */
-static inline void wake_one_more(struct semaphore * sem)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (atomic_read(&sem->count) <= 0)
- sem->waking++;
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
-}
-
-static inline int waking_non_zero(struct semaphore *sem)
-{
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (sem->waking > 0) {
- sem->waking--;
- ret = 1;
- }
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
- return ret;
-}
-
-/*
- * waking non zero interruptible
- * 1 got the lock
- * 0 go to sleep
- * -EINTR interrupted
- *
- * We must undo the sem->count down_interruptible() increment while we are
- * protected by the spinlock in order to make this atomic_inc() with the
- * atomic_read() in wake_one_more(), otherwise we can race. -arca
- */
-static inline int waking_non_zero_interruptible(struct semaphore *sem,
- struct task_struct *tsk)
-{
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (sem->waking > 0) {
- sem->waking--;
- ret = 1;
- } else if (signal_pending(tsk)) {
- atomic_inc(&sem->count);
- ret = -EINTR;
- }
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
- return ret;
-}
-
-/*
- * waking_non_zero_try_lock:
- * 1 failed to lock
- * 0 got the lock
- *
- * We must undo the sem->count down_interruptible() increment while we are
- * protected by the spinlock in order to make this atomic_inc() with the
- * atomic_read() in wake_one_more(), otherwise we can race. -arca
- */
-static inline int waking_non_zero_trylock(struct semaphore *sem)
-{
- unsigned long flags;
- int ret = 1;
-
- spin_lock_irqsave(&semaphore_wake_lock, flags);
- if (sem->waking <= 0)
- atomic_inc(&sem->count);
- else {
- sem->waking--;
- ret = 0;
- }
- spin_unlock_irqrestore(&semaphore_wake_lock, flags);
- return ret;
-}
-
-#endif
OpenPOWER on IntegriCloud