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sh: Provide the kmap_coherent() interface generically.

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This plugs in kmap_coherent() for the non-SH4 cases to permit the
pg-mmu.c bits to be used generically across all CPUs. SH-5 is still in
the TODO state, but will move over to fixmap and the generic interface
gradually.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-08-15 09:19:19 +09:00
parent 8edcfcbbd1
commit 2739742c24
7 changed files with 99 additions and 55 deletions
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4
arch/sh/include/asm/cacheflush.h
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@ -74,5 +74,9 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
void kmap_coherent_init(void);
void *kmap_coherent(struct page *page, unsigned long addr);
void kunmap_coherent(void);
#endif /* __KERNEL__ */
#endif /* __ASM_SH_CACHEFLUSH_H */