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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-07-24 17:18:38 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2008-07-28 15:12:11 -0700
commit979b1791e5b8f8b556faeec4c48339e7ed63af9f (patch)
tree30990937096bb25aa8349dae7285e70f268a767a /include
parent362b7077a5546b42131af15ba4776f30c9a72d0c (diff)
PCI: add D3 power state avoidance quirk
Libata has some hacks to deal with certain controllers going silly in D3 state. The right way to handle this is to keep a PCI device flag for such devices. That can then be generalised for no ATA devices with power problems. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/pci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 1d296d31abe0..825be3878f68 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -124,6 +124,8 @@ enum pci_dev_flags {
* generation too.
*/
PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG = (__force pci_dev_flags_t) 1,
+ /* Device configuration is irrevocably lost if disabled into D3 */
+ PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
};
typedef unsigned short __bitwise pci_bus_flags_t;