Merge remote-tracking branch 'regulator/for-next'

10 files changed, 54 insertions, 21 deletions

diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index e2608fe770b9..f18b36dd57dd 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -691,6 +691,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 		    (regulators == axp809_regulators && i == AXP809_DC1SW)) {
 			new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
 						GFP_KERNEL);
+			if (!new_desc)
+				return -ENOMEM;
+
 			*new_desc = regulators[i];
 			new_desc->supply_name = dcdc1_name;
 			desc = new_desc;
@@ -700,6 +703,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
 		    (regulators == axp809_regulators && i == AXP809_DC5LDO)) {
 			new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
 						GFP_KERNEL);
+			if (!new_desc)
+				return -ENOMEM;
+
 			*new_desc = regulators[i];
 			new_desc->supply_name = dcdc5_name;
 			desc = new_desc;
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e567fa54980b..b64b7916507f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -204,8 +204,8 @@ static struct device_node *of_get_regulator(struct device *dev, const char *supp
 	regnode = of_parse_phandle(dev->of_node, prop_name, 0);
 
 	if (!regnode) {
-		dev_dbg(dev, "Looking up %s property in node %s failed\n",
-				prop_name, dev->of_node->full_name);
+		dev_dbg(dev, "Looking up %s property in node %pOF failed\n",
+				prop_name, dev->of_node);
 		return NULL;
 	}
 	return regnode;
@@ -2396,6 +2396,14 @@ static void regulator_disable_work(struct work_struct *work)
 	count = rdev->deferred_disables;
 	rdev->deferred_disables = 0;
 
+	/*
+	 * Workqueue functions queue the new work instance while the previous
+	 * work instance is being processed. Cancel the queued work instance
+	 * as the work instance under processing does the job of the queued
+	 * work instance.
+	 */
+	cancel_delayed_work(&rdev->disable_work);
+
 	for (i = 0; i < count; i++) {
 		ret = _regulator_disable(rdev);
 		if (ret != 0)
@@ -2439,10 +2447,10 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
 
 	mutex_lock(&rdev->mutex);
 	rdev->deferred_disables++;
+	mod_delayed_work(system_power_efficient_wq, &rdev->disable_work,
+			 msecs_to_jiffies(ms));
 	mutex_unlock(&rdev->mutex);
 
-	queue_delayed_work(system_power_efficient_wq, &rdev->disable_work,
-			   msecs_to_jiffies(ms));
 	return 0;
 }
 EXPORT_SYMBOL_GPL(regulator_disable_deferred);
diff --git a/drivers/regulator/cpcap-regulator.c b/drivers/regulator/cpcap-regulator.c
index cc98aceed1c1..f541b80f1b54 100644
--- a/drivers/regulator/cpcap-regulator.c
+++ b/drivers/regulator/cpcap-regulator.c
@@ -77,6 +77,8 @@
 #define CPCAP_BIT_VAUDIO_MODE0		BIT(1)
 #define CPCAP_BIT_V_AUDIO_EN		BIT(0)
 
+#define CPCAP_BIT_AUDIO_NORMAL_MODE	0x00
+
 /*
  * Off mode configuration bit. Used currently only by SW5 on omap4. There's
  * the following comment in Motorola Linux kernel tree for it:
@@ -121,6 +123,7 @@ struct cpcap_regulator {
 		.enable_val = (mode_val),				\
 		.disable_val = (off_val),				\
 		.ramp_delay = (volt_trans_time),			\
+		.of_map_mode = cpcap_map_mode,				\
 	},								\
 	.assign_reg = (assignment_reg),					\
 	.assign_mask = (assignment_mask),				\
@@ -211,13 +214,25 @@ static int cpcap_regulator_disable(struct regulator_dev *rdev)
 	return error;
 }
 
+static unsigned int cpcap_map_mode(unsigned int mode)
+{
+	switch (mode) {
+	case CPCAP_BIT_AUDIO_NORMAL_MODE:
+		return REGULATOR_MODE_NORMAL;
+	case CPCAP_BIT_AUDIO_LOW_PWR:
+		return REGULATOR_MODE_STANDBY;
+	default:
+		return -EINVAL;
+	}
+}
+
 static unsigned int cpcap_regulator_get_mode(struct regulator_dev *rdev)
 {
 	int value;
 
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &value);
 
-	if (!(value & CPCAP_BIT_AUDIO_LOW_PWR))
+	if (value & CPCAP_BIT_AUDIO_LOW_PWR)
 		return REGULATOR_MODE_STANDBY;
 
 	return REGULATOR_MODE_NORMAL;
@@ -230,10 +245,10 @@ static int cpcap_regulator_set_mode(struct regulator_dev *rdev,
 
 	switch (mode) {
 	case REGULATOR_MODE_NORMAL:
-		value = CPCAP_BIT_AUDIO_LOW_PWR;
+		value = CPCAP_BIT_AUDIO_NORMAL_MODE;
 		break;
 	case REGULATOR_MODE_STANDBY:
-		value = 0;
+		value = CPCAP_BIT_AUDIO_LOW_PWR;
 		break;
 	default:
 		return -EINVAL;
diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index 60f431831582..6b1c0e4672a2 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -407,14 +407,8 @@ static int fan53555_regulator_probe(struct i2c_client *client,
 
 	di->regulator = pdata->regulator;
 	if (client->dev.of_node) {
-		const struct of_device_id *match;
-
-		match = of_match_device(of_match_ptr(fan53555_dt_ids),
-					&client->dev);
-		if (!match)
-			return -ENODEV;
-
-		di->vendor = (unsigned long) match->data;
+		di->vendor =
+			(unsigned long)of_device_get_match_data(&client->dev);
 	} else {
 		/* if no ramp constraint set, get the pdata ramp_delay */
 		if (!di->regulator->constraints.ramp_delay) {
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 6779c2b53674..66bbaa999433 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -169,7 +169,7 @@ static int of_get_max1586_platform_data(struct device *dev,
 
 	if (of_property_read_u32(np, "v3-gain",
 				 &pdata->v3_gain) < 0) {
-		dev_err(dev, "%s has no 'v3-gain' property\n", np->full_name);
+		dev_err(dev, "%pOF has no 'v3-gain' property\n", np);
 		return -EINVAL;
 	}
 
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 96bf75458da5..9dd44dd4cdf6 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -333,7 +333,7 @@ struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
 		search = of_get_child_by_name(dev->of_node,
 					      desc->regulators_node);
 	else
-		search = dev->of_node;
+		search = of_node_get(dev->of_node);
 
 	if (!search) {
 		dev_dbg(dev, "Failed to find regulator container node '%s'\n",
diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c
index 1b2acc43fea1..88dc0b0f003c 100644
--- a/drivers/regulator/qcom_rpm-regulator.c
+++ b/drivers/regulator/qcom_rpm-regulator.c
@@ -959,6 +959,11 @@ static int rpm_reg_probe(struct platform_device *pdev)
 	}
 
 	match = of_match_device(rpm_of_match, &pdev->dev);
+	if (!match) {
+		dev_err(&pdev->dev, "failed to match device\n");
+		return -ENODEV;
+	}
+
 	for (reg = match->data; reg->name; reg++) {
 		vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
 		if (!vreg)
diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
index f35994a2a5be..940fe1b78411 100644
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -570,6 +570,11 @@ static int rpm_reg_probe(struct platform_device *pdev)
 	}
 
 	match = of_match_device(rpm_of_match, &pdev->dev);
+	if (!match) {
+		dev_err(&pdev->dev, "failed to match device\n");
+		return -ENODEV;
+	}
+
 	for (reg = match->data; reg->name; reg++) {
 		vreg = devm_kzalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
 		if (!vreg)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 383cd7533721..4836947e1521 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -590,8 +590,8 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
 		if (of_property_read_u32(reg_np, "op_mode",
 				&rmode->mode)) {
 			dev_warn(iodev->dev,
-				"no op_mode property property at %s\n",
-				reg_np->full_name);
+				"no op_mode property property at %pOF\n",
+				reg_np);
 
 			rmode->mode = S5M8767_OPMODE_NORMAL_MODE;
 		}
diff --git a/drivers/reset/reset-socfpga.c b/drivers/reset/reset-socfpga.c
index 07224c019892..c60904ff40b8 100644
--- a/drivers/reset/reset-socfpga.c
+++ b/drivers/reset/reset-socfpga.c
@@ -109,8 +109,8 @@ static int socfpga_reset_probe(struct platform_device *pdev)
 	 * Do not continue, when we encounter an old DT.
 	 */
 	if (!of_find_property(pdev->dev.of_node, "#reset-cells", NULL)) {
-		dev_err(&pdev->dev, "%s missing #reset-cells property\n",
-			pdev->dev.of_node->full_name);
+		dev_err(&pdev->dev, "%pOF missing #reset-cells property\n",
+			pdev->dev.of_node);
 		return -EINVAL;
 	}