15 lines
344 B
C
15 lines
344 B
C
/* bitops-clear_bit.h COPYRIGHT FUJITSU LIMITED 2014 */
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#ifndef INCLUDE_BITOPS_CLEAR_BIT_H
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#define INCLUDE_BITOPS_CLEAR_BIT_H
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static inline void clear_bit(int nr, volatile unsigned long *addr)
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{
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unsigned long mask = (1UL << (nr % BITS_PER_LONG));
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unsigned long *p = ((unsigned long *)addr) + (nr / BITS_PER_LONG);
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*p &= ~mask;
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}
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#endif
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