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add pci latency timer workaround for atheros cards (from #1546)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6867 3c298f89-4303-0410-b956-a3cf2f4a3e73
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nbd
2007-04-04 22:04:54 +00:00
parent 11543233b2
commit 536ce77ab8
1 changed files with 3 additions and 0 deletions
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target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pci/pcicore.c
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@@ -92,6 +92,9 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
/* Enable PCI bridge BAR1 prefetch and burst */ /* Enable PCI bridge BAR1 prefetch and burst */
pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); 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); DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge);