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IB/qib: Use pci_dev->revision

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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>
This commit is contained in:
Sergei Shtylyov 2011-05-09 22:07:31 -07:00 committed by Roland Dreier
parent ec03d6777a
commit 1c65335714
1 changed files with 1 additions and 4 deletions
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5
drivers/infiniband/hw/qib/qib_pcie.c
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@ -526,11 +526,8 @@ static int qib_tune_pcie_coalesce(struct qib_devdata *dd)
*/
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;