diff options
Diffstat (limited to 'arch/ppc64/kernel/pci.c')
| -rw-r--r-- | arch/ppc64/kernel/pci.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c index b2fb6746f00..3d2106b022a 100644 --- a/arch/ppc64/kernel/pci.c +++ b/arch/ppc64/kernel/pci.c @@ -726,16 +726,17 @@ 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 __pgprot(prot); prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; |