diff options
| author |   Mats Fagerstrom <mats.fagerstrom@stericsson.com> | 2013-04-11 23:23:57 +0200 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-04-11 23:23:57 +0200 |
| commit | c77896693da9ad75bd999fd86dd81a3da747e267 (patch) | |
| tree | 7b13b479e7e38598afa47c292fc1d35a991c4f05 /drivers/cpufreq/dbx500-cpufreq.c | |
| parent | cpufreq: Call __cpufreq_governor() with correct policy->cpus mask (diff) | |
| download | linux-dev-c77896693da9ad75bd999fd86dd81a3da747e267.tar.xz linux-dev-c77896693da9ad75bd999fd86dd81a3da747e267.zip | |
cpufreq: dbx500: Round to closest available freq
When reading the cpu speed, round it to the closest available
frequency from the table.
Signed-off-by: Mats Fagerstrom <mats.fagerstrom@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/dbx500-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/dbx500-cpufreq.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/cpufreq/dbx500-cpufreq.c b/drivers/cpufreq/dbx500-cpufreq.c index 15ed367139a6..6ec6539ae041 100644 --- a/drivers/cpufreq/dbx500-cpufreq.c +++ b/drivers/cpufreq/dbx500-cpufreq.c @@ -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) |