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| author | Michael S. Tsirkin <mst@mellanox.co.il> | 2006-02-14 18:52:22 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-23 14:35:14 -0800 |
| commit | 6e325a62a0a228cd0222783802b53cce04551776 (patch) | |
| tree | 5609f9e841024ca57ba8ee7a919955c7589444c7 /drivers/pci/quirks.c | |
| parent | e5548e960f38557825e50806b52cb24c9e730aa2 (diff) | |
| download | linux-6e325a62a0a228cd0222783802b53cce04551776.tar.gz | |
[PATCH] PCI: make MSI quirk inheritable from the pci bus
It turns out AMD 8131 quirk only affects MSI for devices behind the 8131 bridge.
Handle this by adding a flags field in pci_bus, inherited from parent to child.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/quirks.c')
| -rw-r--r-- | drivers/pci/quirks.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index d71c31df7fdf8..4970f47be72c5 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -575,8 +575,11 @@ static void __init quirk_amd_8131_ioapic(struct pci_dev *dev) { unsigned char revid, tmp; - pci_msi_quirk = 1; - printk(KERN_WARNING "PCI: MSI quirk detected. pci_msi_quirk set.\n"); + if (dev->subordinate) { + printk(KERN_WARNING "PCI: MSI quirk detected. " + "PCI_BUS_FLAGS_NO_MSI set for subordinate bus.\n"); + dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; + } if (nr_ioapics == 0) return; |