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-rw-r--r--drivers/clocksource/acpi_pm.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c
index 5cfcff53254..e783dbf0f16 100644
--- a/drivers/clocksource/acpi_pm.c
+++ b/drivers/clocksource/acpi_pm.c
@@ -105,14 +105,11 @@ static inline void acpi_pm_need_workaround(void)
*/
static void __devinit acpi_pm_check_blacklist(struct pci_dev *dev)
{
- u8 rev;
-
if (acpi_pm_good)
return;
- pci_read_config_byte(dev, PCI_REVISION_ID, &rev);
/* the bug has been fixed in PIIX4M */
- if (rev < 3) {
+ if (dev->revision < 3) {
printk(KERN_WARNING "* Found PM-Timer Bug on the chipset."
" Due to workarounds for a bug,\n"
"* this clock source is slow. Consider trying"