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Subject[RFC PATCH 1/5] cpufreq: stats: Allow small rounding errors
Date
When matching a frequency against the freq_table, allow small deviances to
allow rounding errors. Rounding errors are likely to occur due to the
differenct frequency resolutions used in the common clock vs cpufreq
frameworks.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
---

drivers/cpufreq/cpufreq_stats.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index ecaaebf969fc..37a34178ab3a 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -146,7 +146,7 @@ static int freq_table_get_index(struct cpufreq_stats *stat, unsigned int freq)
{
int index;
for (index = 0; index < stat->max_state; index++)
- if (stat->freq_table[index] == freq)
+ if (abs(stat->freq_table[index] - freq) < 2)
return index;
return -1;
}
--
1.9.3.1.ga73a6ad


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