1 files changed, 0 insertions, 100 deletions
diff --git a/ANDROID_3.4.5/include/linux/bit_spinlock.h b/ANDROID_3.4.5/include/linux/bit_spinlock.h
deleted file mode 100644
index 3b5bafce..00000000
--- a/ANDROID_3.4.5/include/linux/bit_spinlock.h
+++ /dev/null
@@ -1,100 +0,0 @@
-#ifndef __LINUX_BIT_SPINLOCK_H
-#define __LINUX_BIT_SPINLOCK_H
-
-#include <linux/kernel.h>
-#include <linux/preempt.h>
-#include <linux/atomic.h>
-#include <linux/bug.h>
-
-/*
- *  bit-based spin_lock()
- *
- * Don't use this unless you really need to: spin_lock() and spin_unlock()
- * are significantly faster.
- */
-static inline void bit_spin_lock(int bitnum, unsigned long *addr)
-{
-	/*
-	 * Assuming the lock is uncontended, this never enters
-	 * the body of the outer loop. If it is contended, then
-	 * within the inner loop a non-atomic test is used to
-	 * busywait with less bus contention for a good time to
-	 * attempt to acquire the lock bit.
-	 */
-	preempt_disable();
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
-	while (unlikely(test_and_set_bit_lock(bitnum, addr))) {
-		preempt_enable();
-		do {
-			cpu_relax();
-		} while (test_bit(bitnum, addr));
-		preempt_disable();
-	}
-#endif
-	__acquire(bitlock);
-}
-
-/*
- * Return true if it was acquired
- */
-static inline int bit_spin_trylock(int bitnum, unsigned long *addr)
-{
-	preempt_disable();
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
-	if (unlikely(test_and_set_bit_lock(bitnum, addr))) {
-		preempt_enable();
-		return 0;
-	}
-#endif
-	__acquire(bitlock);
-	return 1;
-}
-
-/*
- *  bit-based spin_unlock()
- */
-static inline void bit_spin_unlock(int bitnum, unsigned long *addr)
-{
-#ifdef CONFIG_DEBUG_SPINLOCK
-	BUG_ON(!test_bit(bitnum, addr));
-#endif
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
-	clear_bit_unlock(bitnum, addr);
-#endif
-	preempt_enable();
-	__release(bitlock);
-}
-
-/*
- *  bit-based spin_unlock()
- *  non-atomic version, which can be used eg. if the bit lock itself is
- *  protecting the rest of the flags in the word.
- */
-static inline void __bit_spin_unlock(int bitnum, unsigned long *addr)
-{
-#ifdef CONFIG_DEBUG_SPINLOCK
-	BUG_ON(!test_bit(bitnum, addr));
-#endif
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
-	__clear_bit_unlock(bitnum, addr);
-#endif
-	preempt_enable();
-	__release(bitlock);
-}
-
-/*
- * Return true if the lock is held.
- */
-static inline int bit_spin_is_locked(int bitnum, unsigned long *addr)
-{
-#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
-	return test_bit(bitnum, addr);
-#elif defined CONFIG_PREEMPT_COUNT
-	return preempt_count();
-#else
-	return 1;
-#endif
-}
-
-#endif /* __LINUX_BIT_SPINLOCK_H */
-