CRIS: use generic atomic bitops

The generic atomic bitops are the same as the CRIS-specific ones.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jespern@axis.com>

arch/cris/include/asm/bitops.h

@@ -19,119 +19,10 @@
 #endif
 
 #include <arch/bitops.h>
-#include <linux/atomic.h>
 #include <linux/compiler.h>
 #include <asm/barrier.h>
 
-/*
- * set_bit - Atomically set a bit in memory
- * @nr: the bit to set
- * @addr: the address to start counting from
- *
- * This function is atomic and may not be reordered.  See __set_bit()
- * if you do not require the atomic guarantees.
- * Note that @nr may be almost arbitrarily large; this function is not
- * restricted to acting on a single-word quantity.
- */
-
-#define set_bit(nr, addr)    (void)test_and_set_bit(nr, addr)
-
-/*
- * clear_bit - Clears a bit in memory
- * @nr: Bit to clear
- * @addr: Address to start counting from
- *
- * clear_bit() is atomic and may not be reordered.  However, it does
- * not contain a memory barrier, so if it is used for locking purposes,
- * you should call smp_mb__before_atomic() and/or smp_mb__after_atomic()
- * in order to ensure changes are visible on other processors.
- */
-
-#define clear_bit(nr, addr)  (void)test_and_clear_bit(nr, addr)
-
-/*
- * change_bit - Toggle a bit in memory
- * @nr: Bit to change
- * @addr: Address to start counting from
- *
- * change_bit() is atomic and may not be reordered.
- * Note that @nr may be almost arbitrarily large; this function is not
- * restricted to acting on a single-word quantity.
- */
-
-#define change_bit(nr, addr) (void)test_and_change_bit(nr, addr)
-
-/**
- * test_and_set_bit - Set a bit and return its old value
- * @nr: Bit to set
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.  
- * It also implies a memory barrier.
- */
-
-static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned int mask, retval;
-	unsigned long flags;
-	unsigned int *adr = (unsigned int *)addr;
-	
-	adr += nr >> 5;
-	mask = 1 << (nr & 0x1f);
-	cris_atomic_save(addr, flags);
-	retval = (mask & *adr) != 0;
-	*adr |= mask;
-	cris_atomic_restore(addr, flags);
-	return retval;
-}
-
-/**
- * test_and_clear_bit - Clear a bit and return its old value
- * @nr: Bit to clear
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.  
- * It also implies a memory barrier.
- */
-
-static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned int mask, retval;
-	unsigned long flags;
-	unsigned int *adr = (unsigned int *)addr;
-	
-	adr += nr >> 5;
-	mask = 1 << (nr & 0x1f);
-	cris_atomic_save(addr, flags);
-	retval = (mask & *adr) != 0;
-	*adr &= ~mask;
-	cris_atomic_restore(addr, flags);
-	return retval;
-}
-
-/**
- * test_and_change_bit - Change a bit and return its old value
- * @nr: Bit to change
- * @addr: Address to count from
- *
- * This operation is atomic and cannot be reordered.  
- * It also implies a memory barrier.
- */
-
-static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned int mask, retval;
-	unsigned long flags;
-	unsigned int *adr = (unsigned int *)addr;
-	adr += nr >> 5;
-	mask = 1 << (nr & 0x1f);
-	cris_atomic_save(addr, flags);
-	retval = (mask & *adr) != 0;
-	*adr ^= mask;
-	cris_atomic_restore(addr, flags);
-	return retval;
-}
-
+#include <asm-generic/bitops/atomic.h>
 #include <asm-generic/bitops/non-atomic.h>
 
 /*