diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-02 09:55:55 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-02 20:32:35 (GMT) |
| commit | 4baa9922430662431231ac637adedddbb0cfb2d7 (patch) | |
| tree | e8fb765ce3e41c01f33de34a0bc9494f0ae19818 /include/asm-arm/delay.h | |
| parent | ff4db0a043a5dee7180bdffd178e61cd02812c68 (diff) | |
| download | linux-4baa9922430662431231ac637adedddbb0cfb2d7.tar.xz | |
[ARM] move include/asm-arm to arch/arm/include/asm
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/delay.h')
| -rw-r--r-- | include/asm-arm/delay.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/include/asm-arm/delay.h b/include/asm-arm/delay.h deleted file mode 100644 index b2deda1..0000000 --- a/include/asm-arm/delay.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (C) 1995-2004 Russell King - * - * Delay routines, using a pre-computed "loops_per_second" value. - */ -#ifndef __ASM_ARM_DELAY_H -#define __ASM_ARM_DELAY_H - -#include <asm/param.h> /* HZ */ - -extern void __delay(int loops); - -/* - * This function intentionally does not exist; if you see references to - * it, it means that you're calling udelay() with an out of range value. - * - * With currently imposed limits, this means that we support a max delay - * of 2000us. Further limits: HZ<=1000 and bogomips<=3355 - */ -extern void __bad_udelay(void); - -/* - * division by multiplication: you don't have to worry about - * loss of precision. - * - * Use only for very small delays ( < 1 msec). Should probably use a - * lookup table, really, as the multiplications take much too long with - * short delays. This is a "reasonable" implementation, though (and the - * first constant multiplications gets optimized away if the delay is - * a constant) - */ -extern void __udelay(unsigned long usecs); -extern void __const_udelay(unsigned long); - -#define MAX_UDELAY_MS 2 - -#define udelay(n) \ - (__builtin_constant_p(n) ? \ - ((n) > (MAX_UDELAY_MS * 1000) ? __bad_udelay() : \ - __const_udelay((n) * ((2199023U*HZ)>>11))) : \ - __udelay(n)) - -#endif /* defined(_ARM_DELAY_H) */ - |