Commit 6c0cc627 authored by Scott Wood's avatar Scott Wood
Browse files

powerpc/mm: Use PFN_PHYS() in devmem_is_allowed() 



This function can run on systems where physical addresses don't
fit in unsigned long, so make sure to use the macro that contains the
proper cast.

Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
parent 86c3b16e

arch/powerpc/mm/mem.c

+1 −1
Original line number Diff line number Diff line
@@ -560,7 +560,7 @@ subsys_initcall(add_system_ram_resources); 
 */

int devmem_is_allowed(unsigned long pfn)

{

	if (iomem_is_exclusive(pfn << PAGE_SHIFT))

	if (iomem_is_exclusive(PFN_PHYS(pfn)))

		return 0;

	if (!page_is_ram(pfn))

		return 1;