[PATCH] Longhaul - Disable arbiter CLE266

["Rafał Bilski" <rafalbilski@interia.pl>]

I have datasheet for CLE266 now. It is possible to enable 
port 0x22 on this chipset too.

This patch is adding support for older CPU connected to 
CLE266 chipset. 

Signed-off-by: Rafa³ Bilski <rafalbilski@interia.pl>

---

diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -567,16 +567,23 @@ static acpi_status longhaul_walk_callbac
 static int enable_arbiter_disable(void)
 {
 	struct pci_dev *dev;
+	int port;
 	u8 pci_cmd;
 
 	/* Find PLE133 host bridge */
+	port = 0x78;
 	dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8601_0, NULL);
+	/* Find CLE266 host bridge */
+	if (dev == NULL) {
+		dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_862X_0, NULL);
+		port = 0x76;
+	}
 	if (dev != NULL) {
 		/* Enable access to port 0x22 */
-		pci_read_config_byte(dev, 0x78, &pci_cmd);
+		pci_read_config_byte(dev, port, &pci_cmd);
 		if ( !(pci_cmd & 1<<7) ) {
 			pci_cmd |= 1<<7;
-			pci_write_config_byte(dev, 0x78, pci_cmd);
+			pci_write_config_byte(dev, port, pci_cmd);
 		}
 		return 1;
 	}


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