summaryrefslogtreecommitdiff
path: root/include/asm-parisc/prefetch.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-parisc/prefetch.h')
-rw-r--r--include/asm-parisc/prefetch.h39
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 c5edc60c059f..000000000000
--- 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 */