If instanciated from the DT, use of_get_regulator_gpio_config to obtain
the enable GPIO configuration.

Signed-off-by: Alexandre Courbot <[email protected]>
---
 drivers/regulator/gpio-regulator.c | 47 ++++++++++++++++++++------------------
 1 file changed, 25 insertions(+), 22 deletions(-)

diff --git a/drivers/regulator/gpio-regulator.c 
b/drivers/regulator/gpio-regulator.c
index 83e89e5d4752..5c079f854e77 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -153,18 +153,8 @@ of_get_gpio_regulator_config(struct device *dev, struct 
device_node *np,
 
        config->supply_name = config->init_data->constraints.name;
 
-       if (of_property_read_bool(np, "enable-active-high"))
-               config->enable_high = true;
-
-       if (of_property_read_bool(np, "enable-at-boot"))
-               config->enabled_at_boot = true;
-
        of_property_read_u32(np, "startup-delay-us", &config->startup_delay);
 
-       config->enable_gpio = of_get_named_gpio(np, "enable-gpio", 0);
-       if (config->enable_gpio == -EPROBE_DEFER)
-               return ERR_PTR(-EPROBE_DEFER);
-
        /* Fetch GPIOs. - optional property*/
        ret = of_gpio_count(np);
        if ((ret < 0) && (ret != -ENOENT))
@@ -237,6 +227,9 @@ of_get_gpio_regulator_config(struct device *dev, struct 
device_node *np,
                                 regtype);
        }
 
+       /* GPIO info will be obtained via regulator_of_get_gpio_config */
+       config->enable_gpio = -ENOENT;
+
        return config;
 }
 
@@ -263,6 +256,11 @@ static int gpio_regulator_probe(struct platform_device 
*pdev)
                                                      &drvdata->desc);
                if (IS_ERR(config))
                        return PTR_ERR(config);
+
+               ret = of_get_regulator_gpio_config(&pdev->dev, np,
+                                                  "enable-gpio", &cfg);
+               if (ret)
+                       return ret;
        }
 
        drvdata->desc.name = kstrdup(config->supply_name, GFP_KERNEL);
@@ -337,21 +335,26 @@ static int gpio_regulator_probe(struct platform_device 
*pdev)
        cfg.driver_data = drvdata;
        cfg.of_node = np;
 
+       /*
+        * For platform-defined regulators - DT is already handled by
+        * of_get_regulator_gpio_config
+        */
        if (gpio_is_valid(config->enable_gpio)) {
                cfg.ena_gpio = config->enable_gpio;
                cfg.ena_gpio_initialized = true;
-       }
-       cfg.ena_gpio_invert = !config->enable_high;
-       if (config->enabled_at_boot) {
-               if (config->enable_high)
-                       cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH;
-               else
-                       cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW;
-       } else {
-               if (config->enable_high)
-                       cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW;
-               else
-                       cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH;
+
+               cfg.ena_gpio_invert = !config->enable_high;
+               if (config->enabled_at_boot) {
+                       if (config->enable_high)
+                               cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH;
+                       else
+                               cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW;
+               } else {
+                       if (config->enable_high)
+                               cfg.ena_gpio_flags |= GPIOF_OUT_INIT_LOW;
+                       else
+                               cfg.ena_gpio_flags |= GPIOF_OUT_INIT_HIGH;
+               }
        }
 
        drvdata->dev = regulator_register(&drvdata->desc, &cfg);
-- 
2.8.3

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