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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 12:55:03 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 12:55:03 +0400 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/sh/include/asm/delay.h | |
| parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
| parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
| download | linux-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'arch/sh/include/asm/delay.h')
| -rw-r--r-- | arch/sh/include/asm/delay.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/sh/include/asm/delay.h b/arch/sh/include/asm/delay.h new file mode 100644 index 000000000000..4b16bf9b56bd --- /dev/null +++ b/arch/sh/include/asm/delay.h @@ -0,0 +1,26 @@ +#ifndef __ASM_SH_DELAY_H +#define __ASM_SH_DELAY_H + +/* + * Copyright (C) 1993 Linus Torvalds + * + * Delay routines calling functions in arch/sh/lib/delay.c + */ + +extern void __bad_udelay(void); +extern void __bad_ndelay(void); + +extern void __udelay(unsigned long usecs); +extern void __ndelay(unsigned long nsecs); +extern void __const_udelay(unsigned long xloops); +extern void __delay(unsigned long loops); + +#define udelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c6ul)) : \ + __udelay(n)) + +#define ndelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ + __ndelay(n)) + +#endif /* __ASM_SH_DELAY_H */ |