linux-kernel - Re: cpufreq longhaul locks up

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Date:	Sat, 05 May 2007 23:32:40 +0200
From:	Rafał Bilski <rafalbilski@...eria.pl>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Wander Winkelhorst <w.winkelhorst@...il.com>,
	David Johnson <dj@...id-web.co.uk>,
	linux-kernel@...r.kernel.org, cpufreq@...ts.linux.org.uk
Subject: Re: cpufreq longhaul locks up

Is patch attached below making things better?
You should see in log that You are using VT8235 support now.

---
 arch/i386/kernel/cpu/cpufreq/longhaul.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index 5548e5b..c3c9096 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -635,6 +635,8 @@ static int longhaul_setup_vt8235(void)
 
 	/* Find VT8235 southbridge */
 	dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235, NULL);
+	if (dev == NULL)
+		dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, NULL);
 	if (dev != NULL) {
 		/* Set transition time to max */
 		pci_read_config_byte(dev, 0xec, &pci_cmd);
@@ -771,11 +773,11 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
 		}
 	}
 	/* Check if northbridge is friendly */
-	if (enable_arbiter_disable()) {
+/*	if (enable_arbiter_disable()) {
 		longhaul_flags |= USE_NORTHBRIDGE;
 		goto print_support_type;
 	}
-	/* Use VT8235 southbridge if present */
+*/	/* Use VT8235 southbridge if present */
 	if (longhaul_version == TYPE_POWERSAVER && vt8235_present) {
 		longhaul_flags |= USE_VT8235;
 		goto print_support_type;
-- 



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