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[CPUFREQ] Longhaul - Add support for CN400

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Support for CN400 northbridge when ACPI C3 isn't available.
Tested on Epia SP13000. Thanks to Robert for testing it.

Signed-off-by: Rafa Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Rafa Bilski
2006-11-30 03:47:41 +01:00
committed by Dave Jones
parent 3f4a25f17e
commit db2fb9db57
1 changed files with 5 additions and 1 deletions
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6
arch/i386/kernel/cpu/cpufreq/longhaul.c
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@@ -583,6 +583,10 @@ static int enable_arbiter_disable(void)
if (dev == NULL) { if (dev == NULL) {
reg = 0x76; reg = 0x76;
dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_862X_0, NULL); dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_862X_0, NULL);
/* Find CN400 V-Link host bridge */
if (dev == NULL)
dev = pci_find_device(PCI_VENDOR_ID_VIA, 0x7259, NULL);
} }
if (dev != NULL) { if (dev != NULL) {
/* Enable access to port 0x22 */ /* Enable access to port 0x22 */
@@ -734,7 +738,7 @@ print_support_type:
return 0; return 0;
err_acpi: err_acpi:
printk(KERN_ERR PFX "No ACPI support. No VT8601 or VT8623 northbridge. Aborting.\n"); printk(KERN_ERR PFX "No ACPI support. Unsupported northbridge. Aborting.\n");
return -ENODEV; return -ENODEV;
} }