diff options
Diffstat (limited to 'drivers/cpufreq/exynos-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/exynos-cpufreq.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index f99cfe24e7bc..c3e55aa28cf8 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -29,17 +29,16 @@ static unsigned int locking_frequency; static int exynos_cpufreq_get_index(unsigned int freq) { struct cpufreq_frequency_table *freq_table = exynos_info->freq_table; - int index; + struct cpufreq_frequency_table *pos; - for (index = 0; - freq_table[index].frequency != CPUFREQ_TABLE_END; index++) - if (freq_table[index].frequency == freq) + cpufreq_for_each_entry(pos, freq_table) + if (pos->frequency == freq) break; - if (freq_table[index].frequency == CPUFREQ_TABLE_END) + if (pos->frequency == CPUFREQ_TABLE_END) return -EINVAL; - return index; + return pos - freq_table; } static int exynos_cpufreq_scale(unsigned int target_freq) @@ -49,6 +48,7 @@ static int exynos_cpufreq_scale(unsigned int target_freq) struct cpufreq_policy *policy = cpufreq_cpu_get(0); unsigned int arm_volt, safe_arm_volt = 0; unsigned int mpll_freq_khz = exynos_info->mpll_freq_khz; + struct device *dev = exynos_info->dev; unsigned int old_freq; int index, old_index; int ret = 0; @@ -90,8 +90,8 @@ static int exynos_cpufreq_scale(unsigned int target_freq) /* Firstly, voltage up to increase frequency */ ret = regulator_set_voltage(arm_regulator, arm_volt, arm_volt); if (ret) { - pr_err("%s: failed to set cpu voltage to %d\n", - __func__, arm_volt); + dev_err(dev, "failed to set cpu voltage to %d\n", + arm_volt); return ret; } } @@ -100,8 +100,8 @@ static int exynos_cpufreq_scale(unsigned int target_freq) ret = regulator_set_voltage(arm_regulator, safe_arm_volt, safe_arm_volt); if (ret) { - pr_err("%s: failed to set cpu voltage to %d\n", - __func__, safe_arm_volt); + dev_err(dev, "failed to set cpu voltage to %d\n", + safe_arm_volt); return ret; } } @@ -115,8 +115,8 @@ static int exynos_cpufreq_scale(unsigned int target_freq) ret = regulator_set_voltage(arm_regulator, arm_volt, arm_volt); if (ret) { - pr_err("%s: failed to set cpu voltage to %d\n", - __func__, arm_volt); + dev_err(dev, "failed to set cpu voltage to %d\n", + arm_volt); goto out; } } @@ -163,6 +163,8 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) if (!exynos_info) return -ENOMEM; + exynos_info->dev = &pdev->dev; + if (soc_is_exynos4210()) ret = exynos4210_cpufreq_init(exynos_info); else if (soc_is_exynos4212() || soc_is_exynos4412()) @@ -176,13 +178,13 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) goto err_vdd_arm; if (exynos_info->set_freq == NULL) { - pr_err("%s: No set_freq function (ERR)\n", __func__); + dev_err(&pdev->dev, "No set_freq function (ERR)\n"); goto err_vdd_arm; } arm_regulator = regulator_get(NULL, "vdd_arm"); if (IS_ERR(arm_regulator)) { - pr_err("%s: failed to get resource vdd_arm\n", __func__); + dev_err(&pdev->dev, "failed to get resource vdd_arm\n"); goto err_vdd_arm; } @@ -192,7 +194,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) if (!cpufreq_register_driver(&exynos_driver)) return 0; - pr_err("%s: failed to register cpufreq driver\n", __func__); + dev_err(&pdev->dev, "failed to register cpufreq driver\n"); regulator_put(arm_regulator); err_vdd_arm: kfree(exynos_info); |