[PATCH] PCI: 6700/6702PXH quirk
On the 6700/6702 PXH part, a MSI may get corrupted if an ACPI hotplug
driver and SHPC driver in MSI mode are used together.
This patch will prevent MSI from being enabled for the SHPC as part of
an early pci quirk, as well as on any pci device which sets the no_msi
bit.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 8621cf4..bc4c400 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -556,7 +556,8 @@
/* keep track of device state */
unsigned int is_enabled:1; /* pci_enable_device has been called */
unsigned int is_busmaster:1; /* device is busmaster */
-
+ unsigned int no_msi:1; /* device may not use msi */
+
u32 saved_config_space[16]; /* config space saved at suspend time */
struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
int rom_attr_enabled; /* has display of the rom attribute been enabled? */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index bc4cc10..51e61e9 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2281,6 +2281,11 @@
#define PCI_VENDOR_ID_INTEL 0x8086
#define PCI_DEVICE_ID_INTEL_EESSC 0x0008
#define PCI_DEVICE_ID_INTEL_21145 0x0039
+#define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320
+#define PCI_DEVICE_ID_INTEL_PXHD_1 0x0321
+#define PCI_DEVICE_ID_INTEL_PXH_0 0x0329
+#define PCI_DEVICE_ID_INTEL_PXH_1 0x032A
+#define PCI_DEVICE_ID_INTEL_PXHV 0x032C
#define PCI_DEVICE_ID_INTEL_82375 0x0482
#define PCI_DEVICE_ID_INTEL_82424 0x0483
#define PCI_DEVICE_ID_INTEL_82378 0x0484