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ARM: boolean bit testing 

Bit testing (test, testset, testclear, testchange) for bit numbers
known at compile time returns a word with the tested-for bit set.

Change it to return a true boolean value so to make it consistent with
the out-of-line path and all the other bitops implementations.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Johannes Weiner 2009-07-21 17:08:28 +02:00 committed by Russell King
parent 03a6e5bd5b
commit e9ac829185
1 changed files with 3 additions and 3 deletions
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6
arch/arm/include/asm/bitops.h
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@ -84,7 +84,7 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p)
*p = res | mask;
raw_local_irq_restore(flags);
return res & mask;
return (res & mask) != 0;
}
static inline int
@ -101,7 +101,7 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p)
*p = res & ~mask;
raw_local_irq_restore(flags);
return res & mask;
return (res & mask) != 0;
}
static inline int
@ -118,7 +118,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p)
*p = res ^ mask;
raw_local_irq_restore(flags);
return res & mask;
return (res & mask) != 0;
}
#include <asm-generic/bitops/non-atomic.h>