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Commit d7698edc authored by gw.kernel@tnode.com's avatar gw.kernel@tnode.com Committed by Greg Kroah-Hartman
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PCI: unhide SMBus on Compaq Deskpro EP 401963-001 motherboard 



PCI quirk to unhide SMBus on Compaq Deskpro EP 401963-001 (PCA# 010174) motherboard.

Signed-off-by: default avatarGreg White <gw.kernel@tnode.com>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 4dd5bb98

drivers/pci/quirks.c

+14 −2
Original line number Diff line number Diff line
@@ -972,8 +972,8 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho 
 *

 * The SMBus PCI Device can be activated by setting a bit in the ICH LPC 

 * bridge. Unfortunately, this device has no subvendor/subdevice ID. So it 

 * becomes necessary to do this tweak in two steps -- I've chosen the Host

 * bridge as trigger.

 * becomes necessary to do this tweak in two steps -- the chosen trigger

 * is either the Host bridge (preferred) or on-board VGA controller.

 *

 * Note that we used to unhide the SMBus that way on Toshiba laptops

 * (Satellite A40 and Tecra M2) but then found that the thermal management
@@ -1070,6 +1070,14 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) 
			case 0x0058: /* Compaq Evo N620c */

				asus_hides_smbus = 1;

			}

		else if (dev->device == PCI_DEVICE_ID_INTEL_82810_IG3)

			switch(dev->subsystem_device) {

			case 0xB16C: /* Compaq Deskpro EP 401963-001 (PCA# 010174) */

				/* Motherboard doesn't have Host bridge

				 * subvendor/subdevice IDs, therefore checking

				 * its on-board VGA controller */

				asus_hides_smbus = 1;

			}

	}

}

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82845_HB,	asus_hides_smbus_hostbridge );
@@ -1082,6 +1090,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82855PM_HB, as 
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82855GM_HB,	asus_hides_smbus_hostbridge );

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 );



static void asus_hides_smbus_lpc(struct pci_dev *dev)

{

	u16 val;
@@ -1099,12 +1109,14 @@ static void asus_hides_smbus_lpc(struct pci_dev *dev) 
			printk(KERN_INFO "PCI: Enabled i801 SMBus device\n");

	}

}

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801AA_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801DB_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801BA_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801CA_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801CA_12,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801DB_12,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801EB_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801AA_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801DB_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801BA_0,	asus_hides_smbus_lpc );

DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82801CA_0,	asus_hides_smbus_lpc );