From 2a76f05c33ba1c21850fb7c61c4bf954579431ec Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 4 Apr 2007 22:04:54 +0000 Subject: [PATCH] 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 --- .../linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c | 3 +++ 1 file changed, 3 insertions(+) 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 d9aa22b351..e18e486c01 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);