From 677cc6443b28508bb1a34d4d0d6a9b9a20179369 Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Wed, 21 Nov 2007 18:29:06 +0100
Subject: PCI: Unhide the SMBus on the HP xw4100

Unhide the SMBus on the HP xw4100. This gives access to a hardware
monitoring chip (ADT7463) and to the memory module SPD EEPROMs. I
checked that ACPI wasn't accessing the SMBus, so it should be safe.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/pci/quirks.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'drivers/pci')

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 20a419d..2fbf60e 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1019,6 +1019,11 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
 			case 0x12bd: /* HP D530 */
 				asus_hides_smbus = 1;
 			}
+		else if (dev->device == PCI_DEVICE_ID_INTEL_82875_HB)
+			switch (dev->subsystem_device) {
+			case 0x12bf: /* HP xw4100 */
+				asus_hides_smbus = 1;
+			}
 		else if (dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB)
 			switch (dev->subsystem_device) {
 			case 0x099c: /* HP Compaq nx6110 */
@@ -1050,6 +1055,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82845_HB,	asus
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82845G_HB,	asus_hides_smbus_hostbridge);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82850_HB,	asus_hides_smbus_hostbridge);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82865_HB,	asus_hides_smbus_hostbridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82875_HB,	asus_hides_smbus_hostbridge);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_7205_0,	asus_hides_smbus_hostbridge);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_E7501_MCH,	asus_hides_smbus_hostbridge);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82855PM_HB,	asus_hides_smbus_hostbridge);
-- 
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