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cpufreq: dbx500: Move clk_get to probe 

The armss clock shall only be fetched at probe thus move this here.
Same thing goes for the printing of the available frequencies.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Ulf Hansson 2012-12-10 16:25:40 +01:00 committed by Linus Walleij
parent 84c7c20f60
commit 3e27996ca8
1 changed files with 14 additions and 15 deletions
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29
drivers/cpufreq/dbx500-cpufreq.c
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@ -90,28 +90,14 @@ static unsigned int dbx500_cpufreq_getspeed(unsigned int cpu)
static int __cpuinit dbx500_cpufreq_init(struct cpufreq_policy *policy)
{
int i = 0;
int res;
armss_clk = clk_get(NULL, "armss");
if (IS_ERR(armss_clk)) {
pr_err("dbx500-cpufreq : Failed to get armss clk\n");
return PTR_ERR(armss_clk);
}
pr_info("dbx500-cpufreq : Available frequencies:\n");
while (freq_table[i].frequency != CPUFREQ_TABLE_END) {
pr_info(" %d Mhz\n", freq_table[i].frequency/1000);
i++;
}
/* get policy fields based on the table */
res = cpufreq_frequency_table_cpuinfo(policy, freq_table);
if (!res)
cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
else {
pr_err("dbx500-cpufreq : Failed to read policy table\n");
clk_put(armss_clk);
return res;
}
@ -147,13 +133,26 @@ static struct cpufreq_driver dbx500_cpufreq_driver = {
static int dbx500_cpufreq_probe(struct platform_device *pdev)
{
freq_table = dev_get_platdata(&pdev->dev);
int i = 0;
freq_table = dev_get_platdata(&pdev->dev);
if (!freq_table) {
pr_err("dbx500-cpufreq: Failed to fetch cpufreq table\n");
return -ENODEV;
}
armss_clk = clk_get(&pdev->dev, "armss");
if (IS_ERR(armss_clk)) {
pr_err("dbx500-cpufreq : Failed to get armss clk\n");
return PTR_ERR(armss_clk);
}
pr_info("dbx500-cpufreq : Available frequencies:\n");
while (freq_table[i].frequency != CPUFREQ_TABLE_END) {
pr_info(" %d Mhz\n", freq_table[i].frequency/1000);
i++;
}
return cpufreq_register_driver(&dbx500_cpufreq_driver);
}