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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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6
arch/sh/include/asm/pgtable.h
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@@ -158,12 +158,6 @@ extern void paging_init(void);
extern void page_table_range_init(unsigned long start, unsigned long end,
pgd_t *pgd);
#if defined(CONFIG_MMU) && !defined(CONFIG_CPU_SH5)
extern void kmap_coherent_init(void);
#else
#define kmap_coherent_init() do { } while (0)
#endif
/* arch/sh/mm/mmap.c */
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN