diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2012-11-28 11:27:43 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-01-07 16:03:25 +0100 |
| commit | 9291cf9d0c30f79758b3a0fe87ccd1d7bbb36f45 (patch) | |
| tree | 4c087dd45173913958d40c06991f9ae2866dfd84 /drivers/cpufreq/dbx500-cpufreq.c | |
| parent | 3e27996ca876a4cf38b4821140819e962104f82c (diff) | |
| download | lwn-9291cf9d0c30f79758b3a0fe87ccd1d7bbb36f45.tar.gz lwn-9291cf9d0c30f79758b3a0fe87ccd1d7bbb36f45.zip | |
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>
Diffstat (limited to 'drivers/cpufreq/dbx500-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/dbx500-cpufreq.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/cpufreq/dbx500-cpufreq.c b/drivers/cpufreq/dbx500-cpufreq.c index d974a8e32d85..d4cb78253a89 100644 --- a/drivers/cpufreq/dbx500-cpufreq.c +++ b/drivers/cpufreq/dbx500-cpufreq.c @@ -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); |