ssb: use pci_dev->revision
Sergei Shtylyov [Fri, 1 Jul 2011 18:33:08 +0000 (22:33 +0400)]
The SSB code reads PCI revision ID from the PCI configuration register while
it's already stored by the 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>

drivers/ssb/pci.c

index 52b1ceb..3e36722 100644 (file)
@@ -738,8 +738,7 @@ static void ssb_pci_get_boardinfo(struct ssb_bus *bus,
                             &bi->vendor);
        pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID,
                             &bi->type);
-       pci_read_config_byte(bus->host_pci, PCI_REVISION_ID,
-                            &bi->rev);
+       bi->rev = bus->host_pci->revision;
 }
 
 int ssb_pci_get_invariants(struct ssb_bus *bus,