Merge tag 'regulator-fix-v7.0-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few driver specific fixes, plus a patch from Bjorn which removes a
  fixed limit on regulator names that was breaking some Qualcomm
  systems"

* tag 'regulator-fix-v7.0-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: s2mps11: fix pctrlsel macro usage in s2mpg10_of_parse_cb()
  regulator: s2mps11: drop redundant sanity checks in s2mpg10_of_parse_cb()
  regulator: core: Remove regulator supply_name length limit
  regulator: mt6363: Fix interrmittent timeout

Author: torvalds

drivers/regulator/core.c

@@ -1965,8 +1965,6 @@ static const struct file_operations constraint_flags_fops = {
 #endif
 };
 
-#define REG_STR_SIZE	64
-
 static void link_and_create_debugfs(struct regulator *regulator, struct regulator_dev *rdev,
 				    struct device *dev)
 {
@@ -2014,15 +2012,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
 	lockdep_assert_held_once(&rdev->mutex.base);
 
 	if (dev) {
-		char buf[REG_STR_SIZE];
-		int size;
-
-		size = snprintf(buf, REG_STR_SIZE, "%s-%s",
-				dev->kobj.name, supply_name);
-		if (size >= REG_STR_SIZE)
-			return NULL;
-
-		supply_name = kstrdup(buf, GFP_KERNEL);
+		supply_name = kasprintf(GFP_KERNEL, "%s-%s", dev->kobj.name, supply_name);
 		if (supply_name == NULL)
 			return NULL;
 	} else {

drivers/regulator/mt6363-regulator.c

@@ -861,7 +861,7 @@ static int mt6363_regulator_probe(struct platform_device *pdev)
 	struct irq_domain *domain;
 	struct irq_fwspec fwspec;
 	struct spmi_device *sdev;
-	int i, ret;
+	int i, ret, val;
 
 	config.regmap = mt6363_spmi_register_regmap(dev);
 	if (IS_ERR(config.regmap))
@@ -870,6 +870,13 @@ static int mt6363_regulator_probe(struct platform_device *pdev)
 	config.dev = dev;
 	sdev = to_spmi_device(dev->parent);
 
+	/*
+	 * The first read may fail if the bootloader sets sleep mode: wake up
+	 * this PMIC with W/R on the SPMI bus and ignore the first result.
+	 * This matches the MT6373 driver behavior.
+	 */
+	regmap_read(config.regmap, MT6363_TOP_TRAP, &val);
+
 	interrupt_parent = of_irq_find_parent(dev->of_node);
 	if (!interrupt_parent)
 		return dev_err_probe(dev, -EINVAL, "Cannot find IRQ parent\n");

drivers/regulator/s2mps11.c

@@ -440,15 +440,15 @@ static int s2mpg10_of_parse_cb(struct device_node *np,
 		[S2MPG10_EXTCTRL_LDO20M_EN] = S2MPG10_PCTRLSEL_LDO20M_EN,
 	};
 	static const u32 ext_control_s2mpg11[] = {
-		[S2MPG11_EXTCTRL_PWREN] = S2MPG10_PCTRLSEL_PWREN,
-		[S2MPG11_EXTCTRL_PWREN_MIF] = S2MPG10_PCTRLSEL_PWREN_MIF,
-		[S2MPG11_EXTCTRL_AP_ACTIVE_N] = S2MPG10_PCTRLSEL_AP_ACTIVE_N,
-		[S2MPG11_EXTCTRL_G3D_EN] = S2MPG10_PCTRLSEL_CPUCL1_EN,
-		[S2MPG11_EXTCTRL_G3D_EN2] = S2MPG10_PCTRLSEL_CPUCL1_EN2,
-		[S2MPG11_EXTCTRL_AOC_VDD] = S2MPG10_PCTRLSEL_CPUCL2_EN,
-		[S2MPG11_EXTCTRL_AOC_RET] = S2MPG10_PCTRLSEL_CPUCL2_EN2,
-		[S2MPG11_EXTCTRL_UFS_EN] = S2MPG10_PCTRLSEL_TPU_EN,
-		[S2MPG11_EXTCTRL_LDO13S_EN] = S2MPG10_PCTRLSEL_TPU_EN2,
+		[S2MPG11_EXTCTRL_PWREN] = S2MPG11_PCTRLSEL_PWREN,
+		[S2MPG11_EXTCTRL_PWREN_MIF] = S2MPG11_PCTRLSEL_PWREN_MIF,
+		[S2MPG11_EXTCTRL_AP_ACTIVE_N] = S2MPG11_PCTRLSEL_AP_ACTIVE_N,
+		[S2MPG11_EXTCTRL_G3D_EN] = S2MPG11_PCTRLSEL_G3D_EN,
+		[S2MPG11_EXTCTRL_G3D_EN2] = S2MPG11_PCTRLSEL_G3D_EN2,
+		[S2MPG11_EXTCTRL_AOC_VDD] = S2MPG11_PCTRLSEL_AOC_VDD,
+		[S2MPG11_EXTCTRL_AOC_RET] = S2MPG11_PCTRLSEL_AOC_RET,
+		[S2MPG11_EXTCTRL_UFS_EN] = S2MPG11_PCTRLSEL_UFS_EN,
+		[S2MPG11_EXTCTRL_LDO13S_EN] = S2MPG11_PCTRLSEL_LDO13S_EN,
 	};
 	u32 ext_control;
 
@@ -478,8 +478,6 @@ static int s2mpg10_of_parse_cb(struct device_node *np,
 			return -EINVAL;
 		}
 
-		if (ext_control > ARRAY_SIZE(ext_control_s2mpg10))
-			return -EINVAL;
 		ext_control = ext_control_s2mpg10[ext_control];
 		break;
 
@@ -503,8 +501,6 @@ static int s2mpg10_of_parse_cb(struct device_node *np,
 			return -EINVAL;
 		}
 
-		if (ext_control > ARRAY_SIZE(ext_control_s2mpg11))
-			return -EINVAL;
 		ext_control = ext_control_s2mpg11[ext_control];
 		break;