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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 17:23:46 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-03-22 17:23:46 +0000 |
| commit | 74511020dde10252f8b8e648690d99dba721de14 (patch) | |
| tree | 04fc22bc7dd5d5b8d9294b2e57985b093858bd84 /arch/blackfin/include/asm/delay.h | |
| parent | 69266866a5790080d7fe80094b28d670ff8aa765 (diff) | |
| parent | 3cc4e53f86dab635166929bfa47cc68d59b28c26 (diff) | |
| download | linux-next-74511020dde10252f8b8e648690d99dba721de14.tar.gz | |
Merge branch 'for-2.6.34' into for-2.6.35
Diffstat (limited to 'arch/blackfin/include/asm/delay.h')
| -rw-r--r-- | arch/blackfin/include/asm/delay.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/blackfin/include/asm/delay.h b/arch/blackfin/include/asm/delay.h index c31f91cc1d5d..171d8deb04a5 100644 --- a/arch/blackfin/include/asm/delay.h +++ b/arch/blackfin/include/asm/delay.h @@ -30,10 +30,22 @@ __asm__ __volatile__ ( #define HZSCALE (268435456 / (1000000/HZ)) -static inline void udelay(unsigned long usecs) +static inline unsigned long __to_delay(unsigned long scale) { extern unsigned long loops_per_jiffy; - __delay((((usecs * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6); + return (((scale * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6; +} + +static inline void udelay(unsigned long usecs) +{ + __delay(__to_delay(usecs)); } +static inline void ndelay(unsigned long nsecs) +{ + __delay(__to_delay(1) * nsecs / 1000); +} + +#define ndelay ndelay + #endif |