Message ID | 1429305434-4324-1-git-send-email-scottwood@freescale.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 6c0cc62715bfd0b26f7d1a79e6e8143085950ca7 |
Delegated to: | Scott Wood |
Headers | show |
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 7297d204..07052d9 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -563,7 +563,7 @@ 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;
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> --- arch/powerpc/mm/mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)