IB/qib: Use pci_dev->revision
The driver 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>
Acked-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 48b6674..891cc2f 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -526,11 +526,8 @@
*/
devid = parent->device;
if (devid >= 0x25e2 && devid <= 0x25fa) {
- u8 rev;
-
/* 5000 P/V/X/Z */
- pci_read_config_byte(parent, PCI_REVISION_ID, &rev);
- if (rev <= 0xb2)
+ if (parent->revision <= 0xb2)
bits = 1U << 10;
else
bits = 7U << 10;