1 files changed, 0 insertions, 163 deletions
diff --git a/include/asm-cris/arch-v32/spinlock.h b/include/asm-cris/arch-v32/spinlock.h
deleted file mode 100644
index 52df72a6223..00000000000
--- a/include/asm-cris/arch-v32/spinlock.h
+++ /dev/null
@@ -1,163 +0,0 @@
-#ifndef __ASM_ARCH_SPINLOCK_H
-#define __ASM_ARCH_SPINLOCK_H
-
-#include <asm/system.h>
-
-#define RW_LOCK_BIAS 0x01000000
-#define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 }
-#define spin_lock_init(x)	do { *(x) = SPIN_LOCK_UNLOCKED; } while(0)
-
-#define spin_is_locked(x)	(*(volatile signed char *)(&(x)->lock) <= 0)
-#define spin_unlock_wait(x)	do { barrier(); } while(spin_is_locked(x))
-
-extern void cris_spin_unlock(void *l, int val);
-extern void cris_spin_lock(void *l);
-extern int cris_spin_trylock(void* l);
-
-static inline void _raw_spin_unlock(spinlock_t *lock)
-{
-	__asm__ volatile ("move.d %1,%0" \
-	                  : "=m" (lock->lock) \
-			  : "r" (1) \
-			  : "memory");
-}
-
-static inline int _raw_spin_trylock(spinlock_t *lock)
-{
-	return cris_spin_trylock((void*)&lock->lock);
-}
-
-static inline void _raw_spin_lock(spinlock_t *lock)
-{
-	cris_spin_lock((void*)&lock->lock);
-}
-
-static inline void _raw_spin_lock_flags (spinlock_t *lock, unsigned long flags)
-{
-  _raw_spin_lock(lock);
-}
-
-/*
- * Read-write spinlocks, allowing multiple readers
- * but only one writer.
- *
- * NOTE! it is quite common to have readers in interrupts
- * but no interrupt writers. For those circumstances we
- * can "mix" irq-safe locks - any writer needs to get a
- * irq-safe write-lock, but readers can get non-irqsafe
- * read-locks.
- */
-typedef struct {
-	spinlock_t lock;
-	volatile int counter;
-#ifdef CONFIG_PREEMPT
-	unsigned int break_lock;
-#endif
-} rwlock_t;
-
-#define RW_LOCK_UNLOCKED (rwlock_t) { {1}, 0 }
-
-#define rwlock_init(lp)	do { *(lp) = RW_LOCK_UNLOCKED; } while (0)
-
-/**
- * read_can_lock - would read_trylock() succeed?
- * @lock: the rwlock in question.
- */
-#define read_can_lock(x) ((int)(x)->counter >= 0)
-
-/**
- * write_can_lock - would write_trylock() succeed?
- * @lock: the rwlock in question.
- */
-#define write_can_lock(x) ((x)->counter == 0)
-
-#define _raw_read_trylock(lock) generic_raw_read_trylock(lock)
-
-/* read_lock, read_unlock are pretty straightforward.  Of course it somehow
- * sucks we end up saving/restoring flags twice for read_lock_irqsave aso. */
-
-static  __inline__ void _raw_read_lock(rwlock_t *rw)
-{
-	unsigned long flags;
-	local_irq_save(flags);
-	_raw_spin_lock(&rw->lock);
-
-	rw->counter++;
-
-	_raw_spin_unlock(&rw->lock);
-	local_irq_restore(flags);
-}
-
-static  __inline__ void _raw_read_unlock(rwlock_t *rw)
-{
-	unsigned long flags;
-	local_irq_save(flags);
-	_raw_spin_lock(&rw->lock);
-
-	rw->counter--;
-
-	_raw_spin_unlock(&rw->lock);
-	local_irq_restore(flags);
-}
-
-/* write_lock is less trivial.  We optimistically grab the lock and check
- * if we surprised any readers.  If so we release the lock and wait till
- * they're all gone before trying again
- *
- * Also note that we don't use the _irqsave / _irqrestore suffixes here.
- * If we're called with interrupts enabled and we've got readers (or other
- * writers) in interrupt handlers someone fucked up and we'd dead-lock
- * sooner or later anyway.   prumpf */
-
-static  __inline__ void _raw_write_lock(rwlock_t *rw)
-{
-retry:
-	_raw_spin_lock(&rw->lock);
-
-	if(rw->counter != 0) {
-		/* this basically never happens */
-		_raw_spin_unlock(&rw->lock);
-
-		while(rw->counter != 0);
-
-		goto retry;
-	}
-
-	/* got it.  now leave without unlocking */
-	rw->counter = -1; /* remember we are locked */
-}
-
-/* write_unlock is absolutely trivial - we don't have to wait for anything */
-
-static  __inline__ void _raw_write_unlock(rwlock_t *rw)
-{
-	rw->counter = 0;
-	_raw_spin_unlock(&rw->lock);
-}
-
-static  __inline__ int _raw_write_trylock(rwlock_t *rw)
-{
-	_raw_spin_lock(&rw->lock);
-	if (rw->counter != 0) {
-		/* this basically never happens */
-		_raw_spin_unlock(&rw->lock);
-
-		return 0;
-	}
-
-	/* got it.  now leave without unlocking */
-	rw->counter = -1; /* remember we are locked */
-	return 1;
-}
-
-static __inline__ int is_read_locked(rwlock_t *rw)
-{
-	return rw->counter > 0;
-}
-
-static __inline__ int is_write_locked(rwlock_t *rw)
-{
-	return rw->counter < 0;
-}
-
-#endif /* __ASM_ARCH_SPINLOCK_H */