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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-03 23:13:20 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-03 23:13:20 +0200
commit057beb1de54d33ecfd3397ed219b1f4518e3b470 (patch)
tree7c67e9d8c88093a3d551111e56401826a964ffba /drivers/cpufreq/exynos-cpufreq.c
parent42a09284fab8abc15c8554f2e2aa2368161c77c6 (diff)
parent5ece2399181a5abaf42a4cb607463770686778e6 (diff)
Merge branch 'pm-cpufreq'
* pm-cpufreq: (28 commits) cpufreq: handle calls to ->target_index() in separate routine cpufreq: s5pv210: drop check for CONFIG_PM_VERBOSE cpufreq: intel_pstate: Remove unused member name of cpudata cpufreq: Break out early when frequency equals target_freq cpufreq: Tegra: drop wrapper around tegra_update_cpu_speed() cpufreq: imx6q: Remove unused include cpufreq: imx6q: Drop devm_clk/regulator_get usage cpufreq: powernow-k8: Suppress checkpatch warnings cpufreq: powernv: make local function static cpufreq: Enable big.LITTLE cpufreq driver on arm64 cpufreq: nforce2: remove DEFINE_PCI_DEVICE_TABLE macro intel_pstate: Add CPU IDs for Broadwell processors cpufreq: Fix build error on some platforms that use cpufreq_for_each_* PM / OPP: Move cpufreq specific OPP functions out of generic OPP library PM / OPP: Remove cpufreq wrapper dependency on internal data organization cpufreq: Catch double invocations of cpufreq_freq_transition_begin/end intel_pstate: Remove sample parameter in intel_pstate_calc_busy cpufreq: Kconfig: Fix spelling errors cpufreq: Make linux-pm@vger.kernel.org official mailing list cpufreq: exynos: Use dev_err/info function instead of pr_err/info ...
Diffstat (limited to 'drivers/cpufreq/exynos-cpufreq.c')
-rw-r--r--drivers/cpufreq/exynos-cpufreq.c32
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);