diff options
| 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 /include/linux/pci.h | |
| parent | e5548e960f38557825e50806b52cb24c9e730aa2 (diff) | |
| download | lwn-6e325a62a0a228cd0222783802b53cce04551776.tar.gz lwn-6e325a62a0a228cd0222783802b53cce04551776.zip | |
[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 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 2039da1f3672..d4d533fa5d30 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -95,6 +95,11 @@ enum pci_channel_state { pci_channel_io_perm_failure = (__force pci_channel_state_t) 3, }; +typedef unsigned short __bitwise pci_bus_flags_t; +enum pci_bus_flags { + PCI_BUS_FLAGS_NO_MSI = (pci_bus_flags_t) 1, +}; + /* * The pci_dev structure is used to describe PCI devices. */ @@ -203,7 +208,7 @@ struct pci_bus { char name[48]; unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */ - unsigned short pad2; + pci_bus_flags_t bus_flags; /* Inherited by child busses */ struct device *bridge; struct class_device class_dev; struct bin_attribute *legacy_io; /* legacy I/O for this bus */ |