The patch titled
cpufreq: arusoe: longrun cpufreq module reports false min freq
has been added to the -mm tree. Its filename is
cpufreq-arusoe-longrun-cpufreq-module-reports-false-min-freq.patch
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------------------------------------------------------
Subject: cpufreq: arusoe: longrun cpufreq module reports false min freq
From: maximilian attems <max@xxxxxxx>
The longrun cpufreq module reports a false minimum frequency 3MHz on
300-600MHz Crusoe processor. This may be due to a calculation bug in the
module.
Original patch from Kaz Sasayama <kazssym@xxxxxxxxxxxxxxx>
submitted as http://bugs.debian.org/468149 patch ported to x86
Cc: Kaz Sasayama <kazssym@xxxxxxxxxxxxxxx>
Signed-off-by: maximilian attems <max@xxxxxxx>
Cc: Dave Jones <davej@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/cpu/cpufreq/longrun.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/x86/kernel/cpu/cpufreq/longrun.c~cpufreq-arusoe-longrun-cpufreq-module-reports-false-min-freq arch/x86/kernel/cpu/cpufreq/longrun.c
--- a/arch/x86/kernel/cpu/cpufreq/longrun.c~cpufreq-arusoe-longrun-cpufreq-module-reports-false-min-freq
+++ a/arch/x86/kernel/cpu/cpufreq/longrun.c
@@ -245,7 +245,7 @@ static unsigned int __init longrun_deter
if ((ecx > 95) || (ecx == 0) || (eax < ebx))
return -EIO;
- edx = (eax - ebx) / (100 - ecx);
+ edx = ((eax - ebx) * 100) / (100 - ecx);
*low_freq = edx * 1000; /* back to kHz */
dprintk("low frequency is %u kHz\n", *low_freq);
_
Patches currently in -mm which might be from max@xxxxxxx are
linux-next.patch
cpufreq-arusoe-longrun-cpufreq-module-reports-false-min-freq.patch
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