Don't read the revision ID unnecessary since the PCI subsystem
fills this field in already.
Updated to fix a thinko bug in a previously sent patch.
Signed-off-by: Auke Kok <[email protected]>
Cc: [email protected]
---
drivers/pci/quirks.c | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index d0bb5b9..92dc513 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -139,25 +139,22 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82439TX, quir
static void quirk_vialatency(struct pci_dev *dev)
{
struct pci_dev *p;
- u8 rev;
u8 busarb;
/* Ok we have a potential problem chipset here. Now see if we have
a buggy southbridge */
p = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, NULL);
if (p!=NULL) {
- pci_read_config_byte(p, PCI_CLASS_REVISION, &rev);
/* 0x40 - 0x4f == 686B, 0x10 - 0x2f == 686A; thanks Dan Hollis */
/* Check for buggy part revisions */
- if (rev < 0x40 || rev > 0x42)
+ if (p->revision < 0x40 || p->revision > 0x42)
goto exit;
} else {
p = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, NULL);
if (p==NULL) /* No problem parts */
goto exit;
- pci_read_config_byte(p, PCI_CLASS_REVISION, &rev);
/* Check for buggy part revisions */
- if (rev < 0x10 || rev > 0x12)
+ if (p->revision < 0x10 || p->revision > 0x12)
goto exit;
}