[PATCH] PCI: fix i2c quirk for SiS735 chipset SMBus driver

drivers/pci/quirks.c

@@ -757,7 +757,7 @@ static int __devinitdata sis_96x_compatible = 0;
 
 #define SIS_DETECT_REGISTER 0x40
 
-static void __init quirk_sis_503_smbus(struct pci_dev *dev)
+static void __init quirk_sis_503(struct pci_dev *dev)
 {
 	u8 reg;
 	u16 devid;
@@ -765,7 +765,7 @@ static void __init quirk_sis_503_smbus(struct pci_dev *dev)
 	pci_read_config_byte(dev, SIS_DETECT_REGISTER, &reg);
 	pci_write_config_byte(dev, SIS_DETECT_REGISTER, reg | (1 << 6));
 	pci_read_config_word(dev, PCI_DEVICE_ID, &devid);
-	if ((devid & 0xfff0) != 0x0960) {
+	if (((devid & 0xfff0) != 0x0960) && (devid != 0x0018)) {
 		pci_write_config_byte(dev, SIS_DETECT_REGISTER, reg);
 		return;
 	}
@@ -877,12 +877,14 @@ static struct pci_fixup pci_fixups[] __devinitdata = {
 	{ PCI_FIXUP_FINAL,	PCI_VENDOR_ID_INTEL, 	PCI_DEVICE_ID_INTEL_82443BX_2, 	quirk_natoma },
 	{ PCI_FIXUP_FINAL,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_5597,		quirk_nopcipci },
 	{ PCI_FIXUP_FINAL,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_496,		quirk_nopcipci },
-	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_503,		quirk_sis_503_smbus },
+	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_503,		quirk_sis_503 },
+	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_LPC,		quirk_sis_96x_smbus },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_645,		quirk_sis_96x_compatible },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_646,		quirk_sis_96x_compatible },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_648,		quirk_sis_96x_compatible },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_650,		quirk_sis_96x_compatible },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_651,		quirk_sis_96x_compatible },
+	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_735,		quirk_sis_96x_compatible },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_961,		quirk_sis_96x_smbus },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_962,		quirk_sis_96x_smbus },
 	{ PCI_FIXUP_HEADER,	PCI_VENDOR_ID_SI,	PCI_DEVICE_ID_SI_963,		quirk_sis_96x_smbus },

include/linux/pci_ids.h

@@ -569,6 +569,7 @@
 #define PCI_DEVICE_ID_SI_6202		0x0002
 #define PCI_DEVICE_ID_SI_503		0x0008
 #define PCI_DEVICE_ID_SI_ACPI		0x0009
+#define PCI_DEVICE_ID_SI_LPC		0x0018
 #define PCI_DEVICE_ID_SI_5597_VGA	0x0200
 #define PCI_DEVICE_ID_SI_6205		0x0205
 #define PCI_DEVICE_ID_SI_501		0x0406