[media] use pci_dev->revision

pci_setup_device() has saved the PCI revision in the pci_dev
struct since Linux 2.6.23.  Use it.

Cc: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index 9f47e383c57a..9af2140b57a4 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -378,12 +378,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
         dev->pci = pci;
 
         /* get chip-revision; this is needed to enable bug-fixes */
-        err = pci_read_config_dword(pci, PCI_CLASS_REVISION, &dev->revision);
-        if (err < 0) {
-                ERR(("pci_read_config_dword() failed.\n"));
-                goto err_disable;
-        }
-        dev->revision &= 0xf;
+        dev->revision = pci->revision;
 
         /* remap the memory from virtual to physical address */