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-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k7.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index 80f01b00bada..5c530064eb74 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -23,6 +23,7 @@
#include <linux/dmi.h>
#include <asm/msr.h>
+#include <asm/timer.h>
#include <asm/timex.h>
#include <asm/io.h>
#include <asm/system.h>
@@ -586,8 +587,12 @@ static int __init powernow_cpu_init (struct cpufreq_policy *policy)
rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val);
- /* A K7 with powernow technology is set to max frequency by BIOS */
- fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.MFID];
+ /* recalibrate cpu_khz */
+ result = recalibrate_cpu_khz();
+ if (result)
+ return result;
+
+ fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.CFID];
if (!fsb) {
printk(KERN_WARNING PFX "can not determine bus frequency\n");
return -EINVAL;