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Commit 6c0cc627 authored by Scott Wood's avatar Scott Wood
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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
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+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;