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cpufreq: dbx500: Minor code cleanup 

Some minor code cleanup and some minor changes to printed
error messages.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Jonas Aaberg 2012-11-28 11:27:43 +01:00 committed by Linus Walleij
parent 3e27996ca8
commit 9291cf9d0c
1 changed files with 12 additions and 10 deletions
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22
drivers/cpufreq/dbx500-cpufreq.c
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@ -36,6 +36,7 @@ static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
{
struct cpufreq_freqs freqs;
unsigned int idx;
int ret;
/* scale the target frequency to one of the extremes supported */
if (target_freq < policy->cpuinfo.min_freq)
@ -44,10 +45,9 @@ static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
target_freq = policy->cpuinfo.max_freq;
/* Lookup the next frequency */
if (cpufreq_frequency_table_target
(policy, freq_table, target_freq, relation, &idx)) {
if (cpufreq_frequency_table_target(policy, freq_table, target_freq,
relation, &idx))
return -EINVAL;
}
freqs.old = policy->cur;
freqs.new = freq_table[idx].frequency;
@ -60,9 +60,12 @@ static int dbx500_cpufreq_target(struct cpufreq_policy *policy,
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
/* update armss clk frequency */
if (clk_set_rate(armss_clk, freq_table[idx].frequency * 1000)) {
pr_err("dbx500-cpufreq: Failed to update armss clk\n");
return -EINVAL;
ret = clk_set_rate(armss_clk, freqs.new * 1000);
if (ret) {
pr_err("dbx500-cpufreq: Failed to set armss_clk to %d Hz: error %d\n",
freqs.new * 1000, ret);
return ret;
}
/* post change notification */
@ -97,7 +100,7 @@ static int __cpuinit dbx500_cpufreq_init(struct cpufreq_policy *policy)
if (!res)
cpufreq_frequency_table_get_attr(freq_table, policy->cpu);
else {
pr_err("dbx500-cpufreq : Failed to read policy table\n");
pr_err("dbx500-cpufreq: Failed to read policy table\n");
return res;
}
@ -143,11 +146,11 @@ static int dbx500_cpufreq_probe(struct platform_device *pdev)
armss_clk = clk_get(&pdev->dev, "armss");
if (IS_ERR(armss_clk)) {
pr_err("dbx500-cpufreq : Failed to get armss clk\n");
pr_err("dbx500-cpufreq: Failed to get armss clk\n");
return PTR_ERR(armss_clk);
}
pr_info("dbx500-cpufreq : Available frequencies:\n");
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++;
@ -169,7 +172,6 @@ static int __init dbx500_cpufreq_register(void)
if (!cpu_is_u8500_family())
return -ENODEV;
pr_info("cpufreq for DBX500 started\n");
return platform_driver_register(&dbx500_cpufreq_plat_driver);
}
device_initcall(dbx500_cpufreq_register);