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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-18 20:02:35 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-18 20:02:35 -0400 |
commit | 39710479303fd3affb3e204e9a7a75cc676977b5 (patch) | |
tree | 3fff5fb412df77170883f02fc54bdbee9aba4f22 /arch/blackfin/include/asm/delay.h | |
parent | 9d20593a722c2dab7a5ab74f5d8c9b604aca52f9 (diff) | |
parent | eb63e5d15758d2b1e607ddd5fb861b5596629380 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (96 commits)
Blackfin: stop cleaning include/asm/asm-offsets.h
Blackfin: scale calibration when cpu freq changes
Blackfin: eat spurious space in asm/dpmc.h
Blackfin: fix anomaly 283 handling with exact hardware error
Blackfin: bf537-stamp: add example ADXL346 orientation resources
Blackfin: bf537-stamp: add example AD2S1210 IIO resources
Blackfin: don't support keypad wakeup from hibernate
Blackfin: bf537-stamp: add example AD7416 IIO resources
Blackfin: bf537-stamp: add example ADP8860 backlight/led resources
Blackfin: bf537-stamp: add example AD7414 temp sensor resources
Blackfin: rename AD1836 to AD183X in board files
Blackfin: bf537-stamp: add example AD2S120x resources
Blackfin: add support for the on-chip MAC status interrupts
Blackfin: asm/page.h: pull in asm-generic headers
Blackfin: mark gpio lib functions static
Blackfin: bf537-stamp: add example ADAU1361 resources
Blackfin: GPIO: implement to_irq handler
Blackfin: bf537-stamp: add example ADP122/ADP150 power regulator resources
Blackfin: bf537-stamp: add example AD2S90 resources
Blackfin: bf537-stamp: add example AD5398 power regulator resources
...
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__ ( | |||
30 | 30 | ||
31 | #define HZSCALE (268435456 / (1000000/HZ)) | 31 | #define HZSCALE (268435456 / (1000000/HZ)) |
32 | 32 | ||
33 | static inline void udelay(unsigned long usecs) | 33 | static inline unsigned long __to_delay(unsigned long scale) |
34 | { | 34 | { |
35 | extern unsigned long loops_per_jiffy; | 35 | extern unsigned long loops_per_jiffy; |
36 | __delay((((usecs * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6); | 36 | return (((scale * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6; |
37 | } | ||
38 | |||
39 | static inline void udelay(unsigned long usecs) | ||
40 | { | ||
41 | __delay(__to_delay(usecs)); | ||
37 | } | 42 | } |
38 | 43 | ||
44 | static inline void ndelay(unsigned long nsecs) | ||
45 | { | ||
46 | __delay(__to_delay(1) * nsecs / 1000); | ||
47 | } | ||
48 | |||
49 | #define ndelay ndelay | ||
50 | |||
39 | #endif | 51 | #endif |