[patch 22/45] Make powernow-k7 work on SMP kernels.

From: Greg KH
Date: Mon Jul 17 2006 - 12:34:41 EST

-stable review patch. If anyone has any objections, please let us know.

From: Dave Jones <davej@xxxxxxxxxx>

[CPUFREQ] Make powernow-k7 work on SMP kernels.
Even though powernow-k7 doesn't work in SMP environments,
it can work on an SMP configured kernel if there's only
one CPU present, however recalibrate_cpu_khz was returning
-EINVAL on such kernels, so we failed to init the cpufreq driver.

Signed-off-by: Dave Jones <davej@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

arch/i386/kernel/cpu/cpufreq/powernow-k7.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

--- linux-
+++ linux-
@@ -581,10 +581,7 @@ static int __init powernow_cpu_init (str

rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val);

- /* recalibrate cpu_khz */
- result = recalibrate_cpu_khz();
- if (result)
- return result;
+ recalibrate_cpu_khz();

fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.CFID];
if (!fsb) {

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