Commit 6c0cc627 authored Apr 17, 2015 by Scott Wood

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: Scott 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;