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author | merge <null@invalid> | 2009-02-06 00:22:54 +0000 |
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committer | Andy Green <agreen@octopus.localdomain> | 2009-02-06 00:22:54 +0000 |
commit | d1dcdf5718977c93805f9300b6c79f039db84c8b (patch) | |
tree | 58a161db6cf8953e33c1c9294a9c720a1aa0ad76 /include/asm-m68k/delay.h | |
parent | 9029dff1f370018665a6e2999632a34fd0518f4d (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505
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MERGE-master-patchset-edits
Diffstat (limited to 'include/asm-m68k/delay.h')
-rw-r--r-- | include/asm-m68k/delay.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/include/asm-m68k/delay.h b/include/asm-m68k/delay.h deleted file mode 100644 index 5ed92851bc6..00000000000 --- a/include/asm-m68k/delay.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef _M68K_DELAY_H -#define _M68K_DELAY_H - -#include <asm/param.h> - -/* - * Copyright (C) 1994 Hamish Macdonald - * - * Delay routines, using a pre-computed "loops_per_jiffy" value. - */ - -static inline void __delay(unsigned long loops) -{ - __asm__ __volatile__ ("1: subql #1,%0; jcc 1b" - : "=d" (loops) : "0" (loops)); -} - -extern void __bad_udelay(void); - -/* - * 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) - */ -static inline void __const_udelay(unsigned long xloops) -{ - unsigned long tmp; - - __asm__ ("mulul %2,%0:%1" - : "=d" (xloops), "=d" (tmp) - : "d" (xloops), "1" (loops_per_jiffy)); - __delay(xloops * HZ); -} - -static inline void __udelay(unsigned long usecs) -{ - __const_udelay(usecs * 4295); /* 2**32 / 1000000 */ -} - -#define udelay(n) (__builtin_constant_p(n) ? \ - ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 4295)) : \ - __udelay(n)) - -static inline unsigned long muldiv(unsigned long a, unsigned long b, - unsigned long c) -{ - unsigned long tmp; - - __asm__ ("mulul %2,%0:%1; divul %3,%0:%1" - : "=d" (tmp), "=d" (a) - : "d" (b), "d" (c), "1" (a)); - return a; -} - -#endif /* defined(_M68K_DELAY_H) */ |