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Commit db2fb9db authored by Rafa Bilski's avatar Rafa Bilski Committed by Dave Jones
Browse files

[CPUFREQ] Longhaul - Add support for CN400 



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

Signed-off-by: default avatarRafa Bilski <rafalbilski@interia.pl>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 3f4a25f1

arch/i386/kernel/cpu/cpufreq/longhaul.c

+5 −1
Original line number Diff line number Diff line
@@ -583,6 +583,10 @@ static int enable_arbiter_disable(void) 
	if (dev == NULL) {

		reg = 0x76;

		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) {

		/* Enable access to port 0x22 */
@@ -734,7 +738,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) 
	return 0;



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;

}