[CPUFREQ] Crusoe: longrun cpufreq module reports false min freq
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@hypercore.co.jp> submitted as http://bugs.debian.org/468149 patch ported to x86 Cc: Kaz Sasayama <kazssym@hypercore.co.jp> Signed-off-by: maximilian attems <max@stro.at> Signed-off-by: Dave Jones <davej@redhat.com>
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@ -245,7 +245,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq,
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if ((ecx > 95) || (ecx == 0) || (eax < ebx))
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return -EIO;
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edx = (eax - ebx) / (100 - ecx);
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edx = ((eax - ebx) * 100) / (100 - ecx);
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*low_freq = edx * 1000; /* back to kHz */
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dprintk("low frequency is %u kHz\n", *low_freq);
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