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PCI: Unhide the SMBus on the Compaq Evo D510

PATCH In review Jean Delvare 2 participants 2 messages Jun 4, 2008 – Jun 5, 2008 PCI

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Jean Delvare

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PATCH 1/1 PCI: Unhide the SMBus on the Compaq Evo D510

One more machine with a hidden Intel SMBus. Unhiding it reveals a SMSC EMC6D100 hardware monitoring chip. I have checked that this machine has no ACPI magic touching the SMBus nor the hardware monitoring chip, so this should be safe.

Signed-off-by Jean Delvare <[email protected]>

---
Patch already sent on:
* 2008-04-17

 drivers/pci/quirks.c |    7 +++++++
 1 file changed, 7 insertions(+)
drivers/pci/quirks.c +7 -0
@@ -1054,6 +1054,12 @@ static void __init asus_hides_smbus_host
 				 * its on-board VGA controller */
 				asus_hides_smbus = 1;
 			}
+		else if (dev->device == PCI_DEVICE_ID_INTEL_82845G_IG)
+			switch(dev->subsystem_device) {
+			case 0x00b8: /* Compaq Evo D510 CMT */
+			case 0x00b9: /* Compaq Evo D510 SFF */
+				asus_hides_smbus = 1;
+			}
 	}
 }
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82845_HB,	asus_hides_smbus_hostbridge);

@@ -1068,6 +1074,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_I
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82915GM_HB, asus_hides_smbus_hostbridge);
 
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82810_IG3,	asus_hides_smbus_hostbridge);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82845G_IG,	asus_hides_smbus_hostbridge);
 
 static void asus_hides_smbus_lpc(struct pci_dev *dev)
 {
Signature · 1 line
Jean Delvare
#1 lore raw
Quoted 9 lines · Jean Delvare

One more machine with a hidden Intel SMBus. Unhiding it reveals a SMSC EMC6D100 hardware monitoring chip. I have checked that this machine has no ACPI magic touching the SMBus nor the hardware monitoring chip, so this should be safe.

Signed-off-by Jean Delvare <[email protected]>

---
Patch already sent on:
* 2008-04-17

Thanks Jean, I'll queue it in linux-next.

Jesse