Longhaul - Revert ACPI C3 on Longhaul ver. 2
authorDave Jones <davej@redhat.com>
Fri, 20 Apr 2007 19:58:00 +0000 (15:58 -0400)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sat, 21 Apr 2007 05:56:29 +0000 (22:56 -0700)
Support for Longhaul ver.  2 broke driver for VIA C3 Eden 600MHz with
Samuel 2 core.  Processor is not able to switch frequency anymore.  I
don't know much about this issue at the moment, but until (if ever) I
will know why, this part should be reversed.

Signed-off-by: Rafal Bilski <rafalbilski@interia.pl>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/i386/kernel/cpu/cpufreq/longhaul.c

index a1f1b71..2b030d6 100644 (file)
@@ -758,7 +758,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
                                NULL, (void *)&pr);
 
        /* Check ACPI support for C3 state */
-       if (pr != NULL && longhaul_version != TYPE_LONGHAUL_V1) {
+       if (pr != NULL && longhaul_version == TYPE_POWERSAVER) {
                cx = &pr->power.states[ACPI_STATE_C3];
                if (cx->address > 0 && cx->latency <= 1000) {
                        longhaul_flags |= USE_ACPI_C3;