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| author | Takashi Iwai <tiwai@suse.de> | 2008-10-31 17:13:10 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-10-31 17:13:10 +0100 |
| commit | 7b3b6e42032e94a6132a85642e95106f5346650e (patch) | |
| tree | 8b2262291341d8a9f9b1e7e3c63a3289bb6c6de6 /include/asm-parisc/prefetch.h | |
| parent | 04172c0b9ea5861e5cba7909da5297b3aedac9e1 (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
| download | op-kernel-dev-7b3b6e42032e94a6132a85642e95106f5346650e.zip op-kernel-dev-7b3b6e42032e94a6132a85642e95106f5346650e.tar.gz | |
Merge commit 'v2.6.28-rc2' into topic/asoc
Diffstat (limited to 'include/asm-parisc/prefetch.h')
| -rw-r--r-- | include/asm-parisc/prefetch.h | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/include/asm-parisc/prefetch.h b/include/asm-parisc/prefetch.h deleted file mode 100644 index c5edc60..0000000 --- a/include/asm-parisc/prefetch.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * include/asm-parisc/prefetch.h - * - * PA 2.0 defines data prefetch instructions on page 6-11 of the Kane book. - * In addition, many implementations do hardware prefetching of both - * instructions and data. - * - * PA7300LC (page 14-4 of the ERS) also implements prefetching by a load - * to gr0 but not in a way that Linux can use. If the load would cause an - * interruption (eg due to prefetching 0), it is suppressed on PA2.0 - * processors, but not on 7300LC. - * - */ - -#ifndef __ASM_PARISC_PREFETCH_H -#define __ASM_PARISC_PREFETCH_H - -#ifndef __ASSEMBLY__ -#ifdef CONFIG_PREFETCH - -#define ARCH_HAS_PREFETCH -static inline void prefetch(const void *addr) -{ - __asm__("ldw 0(%0), %%r0" : : "r" (addr)); -} - -/* LDD is a PA2.0 addition. */ -#ifdef CONFIG_PA20 -#define ARCH_HAS_PREFETCHW -static inline void prefetchw(const void *addr) -{ - __asm__("ldd 0(%0), %%r0" : : "r" (addr)); -} -#endif /* CONFIG_PA20 */ - -#endif /* CONFIG_PREFETCH */ -#endif /* __ASSEMBLY__ */ - -#endif /* __ASM_PARISC_PROCESSOR_H */ |
