aboutsummaryrefslogtreecommitdiff
path: root/arch/ppc/kernel/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ppc/kernel/pci.c')
-rw-r--r--arch/ppc/kernel/pci.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c
index ad4ef2aaa6a..e8f4e576750 100644
--- a/arch/ppc/kernel/pci.c
+++ b/arch/ppc/kernel/pci.c
@@ -1594,16 +1594,17 @@ static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp,
* above routine
*/
pgprot_t pci_phys_mem_access_prot(struct file *file,
- unsigned long offset,
+ unsigned long pfn,
unsigned long size,
pgprot_t protection)
{
struct pci_dev *pdev = NULL;
struct resource *found = NULL;
unsigned long prot = pgprot_val(protection);
+ unsigned long offset = pfn << PAGE_SHIFT;
int i;
- if (page_is_ram(offset >> PAGE_SHIFT))
+ if (page_is_ram(pfn))
return prot;
prot |= _PAGE_NO_CACHE | _PAGE_GUARDED;