diff options
Diffstat (limited to 'drivers/cpufreq/s3c64xx-cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/s3c64xx-cpufreq.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/drivers/cpufreq/s3c64xx-cpufreq.c b/drivers/cpufreq/s3c64xx-cpufreq.c index 3475f65aeec6..a5e72cb5f53c 100644 --- a/drivers/cpufreq/s3c64xx-cpufreq.c +++ b/drivers/cpufreq/s3c64xx-cpufreq.c @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) "cpufreq: " fmt + #include <linux/kernel.h> #include <linux/types.h> #include <linux/init.h> @@ -91,7 +93,7 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy, if (freqs.old == freqs.new) return 0; - pr_debug("cpufreq: Transition %d-%dkHz\n", freqs.old, freqs.new); + pr_debug("Transition %d-%dkHz\n", freqs.old, freqs.new); cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); @@ -101,7 +103,7 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy, dvfs->vddarm_min, dvfs->vddarm_max); if (ret != 0) { - pr_err("cpufreq: Failed to set VDDARM for %dkHz: %d\n", + pr_err("Failed to set VDDARM for %dkHz: %d\n", freqs.new, ret); goto err; } @@ -110,7 +112,7 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy, ret = clk_set_rate(armclk, freqs.new * 1000); if (ret < 0) { - pr_err("cpufreq: Failed to set rate %dkHz: %d\n", + pr_err("Failed to set rate %dkHz: %d\n", freqs.new, ret); goto err; } @@ -123,14 +125,14 @@ static int s3c64xx_cpufreq_set_target(struct cpufreq_policy *policy, dvfs->vddarm_min, dvfs->vddarm_max); if (ret != 0) { - pr_err("cpufreq: Failed to set VDDARM for %dkHz: %d\n", + pr_err("Failed to set VDDARM for %dkHz: %d\n", freqs.new, ret); goto err_clk; } } #endif - pr_debug("cpufreq: Set actual frequency %lukHz\n", + pr_debug("Set actual frequency %lukHz\n", clk_get_rate(armclk) / 1000); return 0; @@ -153,7 +155,7 @@ static void __init s3c64xx_cpufreq_config_regulator(void) count = regulator_count_voltages(vddarm); if (count < 0) { - pr_err("cpufreq: Unable to check supported voltages\n"); + pr_err("Unable to check supported voltages\n"); } freq = s3c64xx_freq_table; @@ -171,7 +173,7 @@ static void __init s3c64xx_cpufreq_config_regulator(void) } if (!found) { - pr_debug("cpufreq: %dkHz unsupported by regulator\n", + pr_debug("%dkHz unsupported by regulator\n", freq->frequency); freq->frequency = CPUFREQ_ENTRY_INVALID; } @@ -194,13 +196,13 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) return -EINVAL; if (s3c64xx_freq_table == NULL) { - pr_err("cpufreq: No frequency information for this CPU\n"); + pr_err("No frequency information for this CPU\n"); return -ENODEV; } armclk = clk_get(NULL, "armclk"); if (IS_ERR(armclk)) { - pr_err("cpufreq: Unable to obtain ARMCLK: %ld\n", + pr_err("Unable to obtain ARMCLK: %ld\n", PTR_ERR(armclk)); return PTR_ERR(armclk); } @@ -209,12 +211,19 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) vddarm = regulator_get(NULL, "vddarm"); if (IS_ERR(vddarm)) { ret = PTR_ERR(vddarm); - pr_err("cpufreq: Failed to obtain VDDARM: %d\n", ret); - pr_err("cpufreq: Only frequency scaling available\n"); + pr_err("Failed to obtain VDDARM: %d\n", ret); + pr_err("Only frequency scaling available\n"); vddarm = NULL; } else { s3c64xx_cpufreq_config_regulator(); } + + vddint = regulator_get(NULL, "vddint"); + if (IS_ERR(vddint)) { + ret = PTR_ERR(vddint); + pr_err("Failed to obtain VDDINT: %d\n", ret); + vddint = NULL; + } #endif freq = s3c64xx_freq_table; @@ -225,7 +234,7 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) r = clk_round_rate(armclk, freq->frequency * 1000); r /= 1000; if (r != freq->frequency) { - pr_debug("cpufreq: %dkHz unsupported by clock\n", + pr_debug("%dkHz unsupported by clock\n", freq->frequency); freq->frequency = CPUFREQ_ENTRY_INVALID; } @@ -248,7 +257,7 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) ret = cpufreq_frequency_table_cpuinfo(policy, s3c64xx_freq_table); if (ret != 0) { - pr_err("cpufreq: Failed to configure frequency table: %d\n", + pr_err("Failed to configure frequency table: %d\n", ret); regulator_put(vddarm); clk_put(armclk); |