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

[SPARC64]: Provide a pgprot_noncached() implementation. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1cff94c6

include/asm-sparc64/pgtable.h

+5 −0
Original line number Diff line number Diff line
@@ -416,6 +416,11 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, 
			       unsigned long pfn,

			       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

 * its high 4 bits.  These macros/functions put it there or get it from there.