diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 22:50:54 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 22:50:54 -0700 |
commit | 3b76eefe0f970c2e19f165d4a1650abc523d10bc (patch) | |
tree | 1987bc1b2b61ea70170094e3cb1204f5b0a0401e /arch/m68k/include/asm/delay_mm.h | |
parent | 91d44d99992ff2587104df5760bfffbb3564b3c2 (diff) | |
parent | 8c9f08f9de38c9af3a946faf0cccd7fc46978443 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: Revive reporting of spurious interrupts
m68knommu: Move forward declaration of do_IRQ() from machdep.h to irq.h
m68k: fix some atomic operation asm address modes for ColdFire
m68k: use CPU_HAS_NO_BITFIELDS for signal functions
m68k: merge and clean up delay.h files
m68knommu: correctly use trap_init
m68knommu: merge ColdFire 5206 and 5206e platform code
m68k: merge mmu and non-mmu bitops.h
m68k: merge MMU and non MMU versions of system.h
m68k: merge MMU and non-MMU versions of asm/hardirq.h
m68k: merge the non-mmu and mmu versions of module.c
m68knommu: Fix printk() format in free_initrd_mem()
m68knommu: Make empty_zero_page "void *", like on m68k
Diffstat (limited to 'arch/m68k/include/asm/delay_mm.h')
-rw-r--r-- | arch/m68k/include/asm/delay_mm.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/m68k/include/asm/delay_mm.h b/arch/m68k/include/asm/delay_mm.h deleted file mode 100644 index 5ed92851bc6f..000000000000 --- a/arch/m68k/include/asm/delay_mm.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) */ |