mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-03 18:10:13 +00:00
24 lines
497 B
C
24 lines
497 B
C
|
// SPDX-License-Identifier: GPL-2.0+
|
||
|
|
#ifndef __LINUX_BITMAP_H
|
||
|
|
#define __LINUX_BITMAP_H
|
||
|
|
|
||
|
|
#include <asm/types.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/bitops.h>
|
||
|
|
|
||
|
|
#define small_const_nbits(nbits) \
|
||
|
|
(__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
|
||
|
|
|
||
|
|
static inline void bitmap_zero(unsigned long *dst, int nbits)
|
||
|
|
{
|
||
|
|
if (small_const_nbits(nbits)) {
|
||
|
|
*dst = 0UL;
|
||
|
|
} else {
|
||
|
|
int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
|
||
|
|
|
||
|
|
memset(dst, 0, len);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __LINUX_BITMAP_H */
|