Commit d7be828e authored by David S. Miller's avatar David S. Miller Committed by David S. Miller

[SPARC64]: Provide a pgprot_noncached() implementation.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1cff94c6
...@@ -416,6 +416,11 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, ...@@ -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.
......
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