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| author | Auke Kok <auke-jan.h.kok@intel.com> | 2007-10-29 14:55:02 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-01 15:04:20 -0800 |
| commit | 2b1afa87e11e979ab4838e043ffd0175657da437 (patch) | |
| tree | fbb1f6aaa7871d186aba8c9142f57c164085cc86 /drivers/pci/quirks.c | |
| parent | 561e55e8e375dd962882cada9001065695724d3a (diff) | |
| download | lwn-2b1afa87e11e979ab4838e043ffd0175657da437.tar.gz lwn-2b1afa87e11e979ab4838e043ffd0175657da437.zip | |
PCI: quirk_vialatency: Omit reading pci revision ID
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 <auke-jan.h.kok@intel.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | 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 72e0bd5d80ac..53ee09a592b1 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; } |