[PATCH] piix: IDE PATA patch for Intel ESB2

This patch adds the Intel ESB2 DID's to the piix.c file for IDE PATA support.
Signed-off-by: Jason Gaston <Jason.d.gaston@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/ide/pci/piix.c

@@ -134,6 +134,7 @@ static u8 piix_ratemask (ide_drive_t *drive)
 		case PCI_DEVICE_ID_INTEL_ESB_2:
 		case PCI_DEVICE_ID_INTEL_ICH6_19:
 		case PCI_DEVICE_ID_INTEL_ICH7_21:
+		case PCI_DEVICE_ID_INTEL_ESB2_18:
 			mode = 3;
 			break;
 		/* UDMA 66 capable */
@@ -447,6 +448,7 @@ static unsigned int __devinit init_chipset_piix (struct pci_dev *dev, const char
 		case PCI_DEVICE_ID_INTEL_ESB_2:
 		case PCI_DEVICE_ID_INTEL_ICH6_19:
 		case PCI_DEVICE_ID_INTEL_ICH7_21:
+		case PCI_DEVICE_ID_INTEL_ESB2_18:
 		{
 			unsigned int extra = 0;
 			pci_read_config_dword(dev, 0x54, &extra);
@@ -572,6 +574,7 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
 	/* 20 */ DECLARE_PIIX_DEV("ICH6"),
 	/* 21 */ DECLARE_PIIX_DEV("ICH7"),
 	/* 22 */ DECLARE_PIIX_DEV("ICH4"),
+	/* 23 */ DECLARE_PIIX_DEV("ESB2"),
 };
 
 /**
@@ -647,6 +650,7 @@ static struct pci_device_id piix_pci_tbl[] = {
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_19, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20},
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21},
 	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 22},
+	{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_18, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 23},
 	{ 0, },
 };
 MODULE_DEVICE_TABLE(pci, piix_pci_tbl);