Commit 8901925d authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Russell King
Browse files

ARM: 8417/1: refactor bitops functions with BIT_MASK() and BIT_WORD() 



Use BIT_MASK() and BIT_WORD() rather than hard-coding the size
of the "long" type.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent da4f295b

arch/arm/include/asm/bitops.h

+12 −12
Original line number Diff line number Diff line
@@ -35,9 +35,9 @@ 
static inline void ____atomic_set_bit(unsigned int bit, volatile unsigned long *p)

{

	unsigned long flags;

	unsigned long mask = 1UL << (bit & 31);

	unsigned long mask = BIT_MASK(bit);



	p += bit >> 5;

	p += BIT_WORD(bit);



	raw_local_irq_save(flags);

	*p |= mask;
@@ -47,9 +47,9 @@ static inline void ____atomic_set_bit(unsigned int bit, volatile unsigned long * 
static inline void ____atomic_clear_bit(unsigned int bit, volatile unsigned long *p)

{

	unsigned long flags;

	unsigned long mask = 1UL << (bit & 31);

	unsigned long mask = BIT_MASK(bit);



	p += bit >> 5;

	p += BIT_WORD(bit);



	raw_local_irq_save(flags);

	*p &= ~mask;
@@ -59,9 +59,9 @@ static inline void ____atomic_clear_bit(unsigned int bit, volatile unsigned long 
static inline void ____atomic_change_bit(unsigned int bit, volatile unsigned long *p)

{

	unsigned long flags;

	unsigned long mask = 1UL << (bit & 31);

	unsigned long mask = BIT_MASK(bit);



	p += bit >> 5;

	p += BIT_WORD(bit);



	raw_local_irq_save(flags);

	*p ^= mask;
@@ -73,9 +73,9 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p) 
{

	unsigned long flags;

	unsigned int res;

	unsigned long mask = 1UL << (bit & 31);

	unsigned long mask = BIT_MASK(bit);



	p += bit >> 5;

	p += BIT_WORD(bit);



	raw_local_irq_save(flags);

	res = *p;
@@ -90,9 +90,9 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p) 
{

	unsigned long flags;

	unsigned int res;

	unsigned long mask = 1UL << (bit & 31);

	unsigned long mask = BIT_MASK(bit);



	p += bit >> 5;

	p += BIT_WORD(bit);



	raw_local_irq_save(flags);

	res = *p;
@@ -107,9 +107,9 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p) 
{

	unsigned long flags;

	unsigned int res;

	unsigned long mask = 1UL << (bit & 31);

	unsigned long mask = BIT_MASK(bit);



	p += bit >> 5;

	p += BIT_WORD(bit);



	raw_local_irq_save(flags);

	res = *p;