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[SPARC64]: Provide a pgprot_noncached() implementation.

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Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller 2005-04-21 21:41:33 -07:00 committed by David S. Miller
parent 1cff94c6fe
commit d7be828e03
1 changed files with 5 additions and 0 deletions
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5
include/asm-sparc64/pgtable.h
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@ -416,6 +416,11 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
unsigned long pfn, unsigned long pfn,
unsigned long size, pgprot_t prot); unsigned long size, pgprot_t prot);
/* Clear virtual and physical cachability, set side-effect bit. */
#define pgprot_noncached(prot) \
(__pgprot((pgprot_val(prot) & ~(_PAGE_CP | _PAGE_CV)) | \
_PAGE_E))
/* /*
* For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
* its high 4 bits. These macros/functions put it there or get it from there. * its high 4 bits. These macros/functions put it there or get it from there.