From db2fb9db5735cc532fd4fc55e94b9a3c3750378e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=B3=20Bilski?= <rafalbilski@interia.pl>
Date: Thu, 30 Nov 2006 03:47:41 +0100
Subject: [PATCH] [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: Rafał Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>
---
arch/i386/kernel/cpu/cpufreq/longhaul.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index 05946293364c..c548daad3476 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -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 @@ print_support_type:
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;
}
--
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