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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-04-04 22:04:54 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-04-04 22:04:54 +0000
commit536ce77ab8b2b371f7b7d6afe3a46afd54bd93f5 (patch)
tree50a23df25f2903a85751def3d44fb4e70d858a38
parent11543233b23052270bdda2cb21cc41096e579904 (diff)
add pci latency timer workaround for atheros cards (from #1546)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6867 3c298f89-4303-0410-b956-a3cf2f4a3e73
-rw-r--r--target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
index d9aa22b35..e18e486c0 100644
--- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
+++ b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
@@ -92,6 +92,9 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
/* Enable PCI bridge BAR1 prefetch and burst */
pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
+
+ /* Make sure our latency is high enough to handle the devices behind us */
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8);
}
DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);