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cpufreq: dbx500: Round to closest available freq

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When reading the cpu speed, round it to the closest available
frequency from the table.

Signed-off-by: Mats Fagerstrom <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Mats Fagerstrom 2013-04-11 23:23:57 +02:00 • committed by Rafael J. Wysocki
commit c77896693d
1 changed files with 5 additions and 5 deletions
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10
drivers/cpufreq/dbx500-cpufreq.c
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@ -71,15 +71,15 @@ static unsigned int dbx500_cpufreq_getspeed(unsigned int cpu)
int i = 0;
unsigned long freq = clk_get_rate(armss_clk) / 1000;
while (freq_table[i].frequency != CPUFREQ_TABLE_END) {
if (freq <= freq_table[i].frequency)
/* The value is rounded to closest frequency in the defined table. */
while (freq_table[i + 1].frequency != CPUFREQ_TABLE_END) {
if (freq < freq_table[i].frequency +
(freq_table[i + 1].frequency - freq_table[i].frequency) / 2)
return freq_table[i].frequency;
i++;
}
/* We could not find a corresponding frequency. */
pr_err("dbx500-cpufreq: Failed to find cpufreq speed\n");
return 0;
return freq_table[i].frequency;
}
static int __cpuinit dbx500_cpufreq_init(struct cpufreq_policy *policy)