diff options
Diffstat (limited to 'arch/m68k/include/asm/delay.h')
| -rw-r--r-- | arch/m68k/include/asm/delay.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/m68k/include/asm/delay.h b/arch/m68k/include/asm/delay.h index c598d847d56b..751712f8beea 100644 --- a/arch/m68k/include/asm/delay.h +++ b/arch/m68k/include/asm/delay.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _M68K_DELAY_H #define _M68K_DELAY_H @@ -48,8 +49,6 @@ extern void __bad_udelay(void); * The simpler m68k and ColdFire processors do not have a 32*32->64 * multiply instruction. So we need to handle them a little differently. * We use a bit of shifting and a single 32*32->32 multiply to get close. - * This is a macro so that the const version can factor out the first - * multiply and shift. */ #define HZSCALE (268435456 / (1000000 / HZ)) @@ -114,6 +113,13 @@ static inline void __udelay(unsigned long usecs) */ #define HZSCALE (268435456 / (1000000 / HZ)) -#define ndelay(n) __delay(DIV_ROUND_UP((n) * ((((HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6), 1000)) +static inline void ndelay(unsigned long nsec) +{ + __delay(DIV_ROUND_UP(nsec * + ((((HZSCALE) >> 11) * + (loops_per_jiffy >> 11)) >> 6), + 1000)); +} +#define ndelay(n) ndelay(n) #endif /* defined(_M68K_DELAY_H) */ |