ssb: use pci_dev->revision

The bus scan code reads PCI revision ID from the PCI configuration register
while it's already stored by PCI subsystem in the 'revision' field of 'struct
pci_dev'...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index 45e5babd3961..8047f9aaa4b2 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -310,8 +310,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
         } else {
                 if (bus->bustype == SSB_BUSTYPE_PCI) {
                         bus->chip_id = pcidev_to_chipid(bus->host_pci);
-                        pci_read_config_byte(bus->host_pci, PCI_REVISION_ID,
-                                             &bus->chip_rev);
+                        bus->chip_rev = bus->host_pci->revision;
                         bus->chip_package = 0;
                 } else {
                         bus->chip_id = 0x4710;