Merge branches 'pm-cpuidle', 'pm-opp' and 'pm-avs'

* pm-cpuidle:
  ARM: cpuidle: Fix error return code

* pm-opp:
  PM / OPP: Don't support OPP if it provides supported-hw but platform does not
  PM / OPP: avoid maybe-uninitialized warning

* pm-avs:
  PM / AVS: SmartReflex: Neaten logging

diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c
index df0c709..4c7c6da 100644 (file)
--- a/drivers/base/power/opp/core.c
+++ b/drivers/base/power/opp/core.c
@@ -584,7 +584,6 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
        struct clk *clk;
        unsigned long freq, old_freq;
        unsigned long u_volt, u_volt_min, u_volt_max;
-       unsigned long ou_volt, ou_volt_min, ou_volt_max;
        int ret;
 
        if (unlikely(!target_freq)) {
@@ -620,11 +619,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq)
        }
 
        old_opp = _find_freq_ceil(opp_table, &old_freq);
-       if (!IS_ERR(old_opp)) {
-               ou_volt = old_opp->u_volt;
-               ou_volt_min = old_opp->u_volt_min;
-               ou_volt_max = old_opp->u_volt_max;
-       } else {
+       if (IS_ERR(old_opp)) {
                dev_err(dev, "%s: failed to find current OPP for freq %lu (%ld)\n",
                        __func__, old_freq, PTR_ERR(old_opp));
        }
@@ -683,7 +678,8 @@ restore_freq:
 restore_voltage:
        /* This shouldn't harm even if the voltages weren't updated earlier */
        if (!IS_ERR(old_opp))
-               _set_opp_voltage(dev, reg, ou_volt, ou_volt_min, ou_volt_max);
+               _set_opp_voltage(dev, reg, old_opp->u_volt,
+                                old_opp->u_volt_min, old_opp->u_volt_max);
 
        return ret;
 }

diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c
index 1dfd3dd..5552211 100644 (file)
--- a/drivers/base/power/opp/of.c
+++ b/drivers/base/power/opp/of.c
@@ -71,8 +71,18 @@ static bool _opp_is_supported(struct device *dev, struct opp_table *opp_table,
        u32 version;
        int ret;
 
-       if (!opp_table->supported_hw)
-               return true;
+       if (!opp_table->supported_hw) {
+               /*
+                * In the case that no supported_hw has been set by the
+                * platform but there is an opp-supported-hw value set for
+                * an OPP then the OPP should not be enabled as there is
+                * no way to see if the hardware supports it.
+                */
+               if (of_find_property(np, "opp-supported-hw", NULL))
+                       return false;
+               else
+                       return true;
+       }
 
        while (count--) {
                ret = of_property_read_u32_index(np, "opp-supported-hw", count,

diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
index 4ba3d3f..f440d38 100644 (file)
--- a/drivers/cpuidle/cpuidle-arm.c
+++ b/drivers/cpuidle/cpuidle-arm.c
@@ -121,6 +121,7 @@ static int __init arm_idle_init(void)
                dev = kzalloc(sizeof(*dev), GFP_KERNEL);
                if (!dev) {
                        pr_err("Failed to allocate cpuidle device\n");
+                       ret = -ENOMEM;
                        goto out_fail;
                }
                dev->cpu = cpu;

diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c
index db9973b..fa0f19b 100644 (file)
--- a/drivers/power/avs/smartreflex.c
+++ b/drivers/power/avs/smartreflex.c
@@ -136,7 +136,7 @@ static void sr_set_clk_length(struct omap_sr *sr)
 
        if (IS_ERR(fck)) {
                dev_err(&sr->pdev->dev, "%s: unable to get fck for device %s\n",
-                               __func__, dev_name(&sr->pdev->dev));
+                       __func__, dev_name(&sr->pdev->dev));
                return;
        }
 
@@ -170,8 +170,8 @@ static void sr_start_vddautocomp(struct omap_sr *sr)
 {
        if (!sr_class || !(sr_class->enable) || !(sr_class->configure)) {
                dev_warn(&sr->pdev->dev,
-                       "%s: smartreflex class driver not registered\n",
-                       __func__);
+                        "%s: smartreflex class driver not registered\n",
+                        __func__);
                return;
        }
 
@@ -183,8 +183,8 @@ static void sr_stop_vddautocomp(struct omap_sr *sr)
 {
        if (!sr_class || !(sr_class->disable)) {
                dev_warn(&sr->pdev->dev,
-                       "%s: smartreflex class driver not registered\n",
-                       __func__);
+                        "%s: smartreflex class driver not registered\n",
+                        __func__);
                return;
        }
 
@@ -225,9 +225,8 @@ static int sr_late_init(struct omap_sr *sr_info)
 
 error:
        list_del(&sr_info->node);
-       dev_err(&sr_info->pdev->dev, "%s: ERROR in registering"
-               "interrupt handler. Smartreflex will"
-               "not function as desired\n", __func__);
+       dev_err(&sr_info->pdev->dev, "%s: ERROR in registering interrupt handler. Smartreflex will not function as desired\n",
+               __func__);
 
        return ret;
 }
@@ -263,7 +262,7 @@ static void sr_v1_disable(struct omap_sr *sr)
 
        if (timeout >= SR_DISABLE_TIMEOUT)
                dev_warn(&sr->pdev->dev, "%s: Smartreflex disable timedout\n",
-                       __func__);
+                        __func__);
 
        /* Disable MCUDisableAcknowledge interrupt & clear pending interrupt */
        sr_modify_reg(sr, ERRCONFIG_V1, ERRCONFIG_MCUDISACKINTEN,
@@ -308,7 +307,7 @@ static void sr_v2_disable(struct omap_sr *sr)
 
        if (timeout >= SR_DISABLE_TIMEOUT)
                dev_warn(&sr->pdev->dev, "%s: Smartreflex disable timedout\n",
-                       __func__);
+                        __func__);
 
        /* Disable MCUDisableAcknowledge interrupt & clear pending interrupt */
        sr_write_reg(sr, IRQENABLE_CLR, IRQENABLE_MCUDISABLEACKINT);
@@ -322,7 +321,7 @@ static struct omap_sr_nvalue_table *sr_retrieve_nvalue_row(
 
        if (!sr->nvalue_table) {
                dev_warn(&sr->pdev->dev, "%s: Missing ntarget value table\n",
-                       __func__);
+                        __func__);
                return NULL;
        }
 
@@ -356,8 +355,8 @@ int sr_configure_errgen(struct omap_sr *sr)
        u8 senp_shift, senn_shift;
 
        if (!sr) {
-               pr_warn("%s: NULL omap_sr from %pF\n", __func__,
-                       (void *)_RET_IP_);
+               pr_warn("%s: NULL omap_sr from %pF\n",
+                       __func__, (void *)_RET_IP_);
                return -EINVAL;
        }
 
@@ -387,8 +386,8 @@ int sr_configure_errgen(struct omap_sr *sr)
                vpboundint_st = ERRCONFIG_VPBOUNDINTST_V2;
                break;
        default:
-               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex"
-                       "module without specifying the ip\n", __func__);
+               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex module without specifying the ip\n",
+                       __func__);
                return -EINVAL;
        }
 
@@ -423,8 +422,8 @@ int sr_disable_errgen(struct omap_sr *sr)
        u32 vpboundint_en, vpboundint_st;
 
        if (!sr) {
-               pr_warn("%s: NULL omap_sr from %pF\n", __func__,
-                       (void *)_RET_IP_);
+               pr_warn("%s: NULL omap_sr from %pF\n",
+                       __func__, (void *)_RET_IP_);
                return -EINVAL;
        }
 
@@ -440,8 +439,8 @@ int sr_disable_errgen(struct omap_sr *sr)
                vpboundint_st = ERRCONFIG_VPBOUNDINTST_V2;
                break;
        default:
-               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex"
-                       "module without specifying the ip\n", __func__);
+               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex module without specifying the ip\n",
+                       __func__);
                return -EINVAL;
        }
 
@@ -478,8 +477,8 @@ int sr_configure_minmax(struct omap_sr *sr)
        u8 senp_shift, senn_shift;
 
        if (!sr) {
-               pr_warn("%s: NULL omap_sr from %pF\n", __func__,
-                       (void *)_RET_IP_);
+               pr_warn("%s: NULL omap_sr from %pF\n",
+                       __func__, (void *)_RET_IP_);
                return -EINVAL;
        }
 
@@ -504,8 +503,8 @@ int sr_configure_minmax(struct omap_sr *sr)
                senp_shift = SRCONFIG_SENPENABLE_V2_SHIFT;
                break;
        default:
-               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex"
-                       "module without specifying the ip\n", __func__);
+               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex module without specifying the ip\n",
+                       __func__);
                return -EINVAL;
        }
 
@@ -537,8 +536,8 @@ int sr_configure_minmax(struct omap_sr *sr)
                        IRQENABLE_MCUBOUNDSINT | IRQENABLE_MCUDISABLEACKINT);
                break;
        default:
-               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex"
-                       "module without specifying the ip\n", __func__);
+               dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex module without specifying the ip\n",
+                       __func__);
                return -EINVAL;
        }
 
@@ -563,16 +562,16 @@ int sr_enable(struct omap_sr *sr, unsigned long volt)
        int ret;
 
        if (!sr) {
-               pr_warn("%s: NULL omap_sr from %pF\n", __func__,
-                       (void *)_RET_IP_);
+               pr_warn("%s: NULL omap_sr from %pF\n",
+                       __func__, (void *)_RET_IP_);
                return -EINVAL;
        }
 
        volt_data = omap_voltage_get_voltdata(sr->voltdm, volt);
 
        if (IS_ERR(volt_data)) {
-               dev_warn(&sr->pdev->dev, "%s: Unable to get voltage table"
-                       "for nominal voltage %ld\n", __func__, volt);
+               dev_warn(&sr->pdev->dev, "%s: Unable to get voltage table for nominal voltage %ld\n",
+                        __func__, volt);
                return PTR_ERR(volt_data);
        }
 
@@ -615,8 +614,8 @@ int sr_enable(struct omap_sr *sr, unsigned long volt)
 void sr_disable(struct omap_sr *sr)
 {
        if (!sr) {
-               pr_warn("%s: NULL omap_sr from %pF\n", __func__,
-                       (void *)_RET_IP_);
+               pr_warn("%s: NULL omap_sr from %pF\n",
+                       __func__, (void *)_RET_IP_);
                return;
        }
 
@@ -658,13 +657,13 @@ int sr_register_class(struct omap_sr_class_data *class_data)
        struct omap_sr *sr_info;
 
        if (!class_data) {
-               pr_warning("%s:, Smartreflex class data passed is NULL\n",
+               pr_warn("%s:, Smartreflex class data passed is NULL\n",
                        __func__);
                return -EINVAL;
        }
 
        if (sr_class) {
-               pr_warning("%s: Smartreflex class driver already registered\n",
+               pr_warn("%s: Smartreflex class driver already registered\n",
                        __func__);
                return -EBUSY;
        }
@@ -696,7 +695,7 @@ void omap_sr_enable(struct voltagedomain *voltdm)
        struct omap_sr *sr = _sr_lookup(voltdm);
 
        if (IS_ERR(sr)) {
-               pr_warning("%s: omap_sr struct for voltdm not found\n", __func__);
+               pr_warn("%s: omap_sr struct for voltdm not found\n", __func__);
                return;
        }
 
@@ -704,8 +703,8 @@ void omap_sr_enable(struct voltagedomain *voltdm)
                return;
 
        if (!sr_class || !(sr_class->enable) || !(sr_class->configure)) {
-               dev_warn(&sr->pdev->dev, "%s: smartreflex class driver not"
-                       "registered\n", __func__);
+               dev_warn(&sr->pdev->dev, "%s: smartreflex class driver not registered\n",
+                        __func__);
                return;
        }
 
@@ -728,7 +727,7 @@ void omap_sr_disable(struct voltagedomain *voltdm)
        struct omap_sr *sr = _sr_lookup(voltdm);
 
        if (IS_ERR(sr)) {
-               pr_warning("%s: omap_sr struct for voltdm not found\n", __func__);
+               pr_warn("%s: omap_sr struct for voltdm not found\n", __func__);
                return;
        }
 
@@ -736,8 +735,8 @@ void omap_sr_disable(struct voltagedomain *voltdm)
                return;
 
        if (!sr_class || !(sr_class->disable)) {
-               dev_warn(&sr->pdev->dev, "%s: smartreflex class driver not"
-                       "registered\n", __func__);
+               dev_warn(&sr->pdev->dev, "%s: smartreflex class driver not registered\n",
+                        __func__);
                return;
        }
 
@@ -760,7 +759,7 @@ void omap_sr_disable_reset_volt(struct voltagedomain *voltdm)
        struct omap_sr *sr = _sr_lookup(voltdm);
 
        if (IS_ERR(sr)) {
-               pr_warning("%s: omap_sr struct for voltdm not found\n", __func__);
+               pr_warn("%s: omap_sr struct for voltdm not found\n", __func__);
                return;
        }
 
@@ -768,8 +767,8 @@ void omap_sr_disable_reset_volt(struct voltagedomain *voltdm)
                return;
 
        if (!sr_class || !(sr_class->disable)) {
-               dev_warn(&sr->pdev->dev, "%s: smartreflex class driver not"
-                       "registered\n", __func__);
+               dev_warn(&sr->pdev->dev, "%s: smartreflex class driver not registered\n",
+                        __func__);
                return;
        }
 
@@ -787,8 +786,8 @@ void omap_sr_disable_reset_volt(struct voltagedomain *voltdm)
 void omap_sr_register_pmic(struct omap_sr_pmic_data *pmic_data)
 {
        if (!pmic_data) {
-               pr_warning("%s: Trying to register NULL PMIC data structure"
-                       "with smartreflex\n", __func__);
+               pr_warn("%s: Trying to register NULL PMIC data structure with smartreflex\n",
+                       __func__);
                return;
        }
 
@@ -801,7 +800,7 @@ static int omap_sr_autocomp_show(void *data, u64 *val)
        struct omap_sr *sr_info = data;
 
        if (!sr_info) {
-               pr_warning("%s: omap_sr struct not found\n", __func__);
+               pr_warn("%s: omap_sr struct not found\n", __func__);
                return -EINVAL;
        }
 
@@ -815,13 +814,13 @@ static int omap_sr_autocomp_store(void *data, u64 val)
        struct omap_sr *sr_info = data;
 
        if (!sr_info) {
-               pr_warning("%s: omap_sr struct not found\n", __func__);
+               pr_warn("%s: omap_sr struct not found\n", __func__);
                return -EINVAL;
        }
 
        /* Sanity check */
        if (val > 1) {
-               pr_warning("%s: Invalid argument %lld\n", __func__, val);
+               pr_warn("%s: Invalid argument %lld\n", __func__, val);
                return -EINVAL;
        }
 
@@ -848,19 +847,13 @@ static int __init omap_sr_probe(struct platform_device *pdev)
        int i, ret = 0;
 
        sr_info = devm_kzalloc(&pdev->dev, sizeof(struct omap_sr), GFP_KERNEL);
-       if (!sr_info) {
-               dev_err(&pdev->dev, "%s: unable to allocate sr_info\n",
-                       __func__);
+       if (!sr_info)
                return -ENOMEM;
-       }
 
        sr_info->name = devm_kzalloc(&pdev->dev,
                                     SMARTREFLEX_NAME_LEN, GFP_KERNEL);
-       if (!sr_info->name) {
-               dev_err(&pdev->dev, "%s: unable to allocate SR instance name\n",
-                       __func__);
+       if (!sr_info->name)
                return -ENOMEM;
-       }
 
        platform_set_drvdata(pdev, sr_info);
 
@@ -912,7 +905,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
        if (sr_class) {
                ret = sr_late_init(sr_info);
                if (ret) {
-                       pr_warning("%s: Error in SR late init\n", __func__);
+                       pr_warn("%s: Error in SR late init\n", __func__);
                        goto err_list_del;
                }
        }
@@ -923,7 +916,7 @@ static int __init omap_sr_probe(struct platform_device *pdev)
                if (IS_ERR_OR_NULL(sr_dbg_dir)) {
                        ret = PTR_ERR(sr_dbg_dir);
                        pr_err("%s:sr debugfs dir creation failed(%d)\n",
-                               __func__, ret);
+                              __func__, ret);
                        goto err_list_del;
                }
        }
@@ -945,8 +938,8 @@ static int __init omap_sr_probe(struct platform_device *pdev)
 
        nvalue_dir = debugfs_create_dir("nvalue", sr_info->dbg_dir);
        if (IS_ERR_OR_NULL(nvalue_dir)) {
-               dev_err(&pdev->dev, "%s: Unable to create debugfs directory"
-                       "for n-values\n", __func__);
+               dev_err(&pdev->dev, "%s: Unable to create debugfs directory for n-values\n",
+                       __func__);
                ret = PTR_ERR(nvalue_dir);
                goto err_debugfs;
        }
@@ -1053,12 +1046,12 @@ static int __init sr_init(void)
        if (sr_pmic_data && sr_pmic_data->sr_pmic_init)
                sr_pmic_data->sr_pmic_init();
        else
-               pr_warning("%s: No PMIC hook to init smartreflex\n", __func__);
+               pr_warn("%s: No PMIC hook to init smartreflex\n", __func__);
 
        ret = platform_driver_probe(&smartreflex_driver, omap_sr_probe);
        if (ret) {
                pr_err("%s: platform driver register failed for SR\n",
-                       __func__);
+                      __func__);
                return ret;
        }