aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@openwrt.org>2007-04-04 22:04:54 +0000
committerFelix Fietkau <nbd@openwrt.org>2007-04-04 22:04:54 +0000
commit769302fc498422f28a79811c8c2d6d5b1b2e0bf8 (patch)
tree1170e01196237c61e51927258cb035b0605e3cc4
parented654ae6bdc0dab58832afb7172b5e7361fe1a56 (diff)
downloadupstream-769302fc498422f28a79811c8c2d6d5b1b2e0bf8.tar.gz
upstream-769302fc498422f28a79811c8c2d6d5b1b2e0bf8.tar.bz2
upstream-769302fc498422f28a79811c8c2d6d5b1b2e0bf8.zip
add pci latency timer workaround for atheros cards (from #1546)
SVN-Revision: 6867
-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 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);