1 files changed, 19 insertions, 33 deletions

diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c
index e290d48ddd99..ce849bc9b269 100644
--- a/drivers/power/reset/gpio-poweroff.c
+++ b/drivers/power/reset/gpio-poweroff.c
@@ -15,31 +15,29 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/of_platform.h>
-#include <linux/of_gpio.h>
 #include <linux/module.h>
 
 /*
  * Hold configuration here, cannot be more than one instance of the driver
  * since pm_power_off itself is global.
  */
-static int gpio_num = -1;
-static int gpio_active_low;
+static struct gpio_desc *reset_gpio;
 
 static void gpio_poweroff_do_poweroff(void)
 {
-	BUG_ON(!gpio_is_valid(gpio_num));
+	BUG_ON(!reset_gpio);
 
 	/* drive it active, also inactive->active edge */
-	gpio_direction_output(gpio_num, !gpio_active_low);
+	gpiod_direction_output(reset_gpio, 1);
 	mdelay(100);
 	/* drive inactive, also active->inactive edge */
-	gpio_set_value(gpio_num, gpio_active_low);
+	gpiod_set_value(reset_gpio, 0);
 	mdelay(100);
 
 	/* drive it active, also inactive->active edge */
-	gpio_set_value(gpio_num, !gpio_active_low);
+	gpiod_set_value(reset_gpio, 1);
 
 	/* give it some time */
 	mdelay(3000);
@@ -49,54 +47,42 @@ static void gpio_poweroff_do_poweroff(void)
 
 static int gpio_poweroff_probe(struct platform_device *pdev)
 {
-	enum of_gpio_flags flags;
 	bool input = false;
-	int ret;
 
 	/* If a pm_power_off function has already been added, leave it alone */
 	if (pm_power_off != NULL) {
-		pr_err("%s: pm_power_off function already registered",
+		dev_err(&pdev->dev,
+			"%s: pm_power_off function already registered",
 		       __func__);
 		return -EBUSY;
 	}
 
-	gpio_num = of_get_gpio_flags(pdev->dev.of_node, 0, &flags);
-	if (!gpio_is_valid(gpio_num))
-		return gpio_num;
-
-	gpio_active_low = flags & OF_GPIO_ACTIVE_LOW;
+	reset_gpio = devm_gpiod_get(&pdev->dev, NULL);
+	if (IS_ERR(reset_gpio))
+		return PTR_ERR(reset_gpio);
 
 	input = of_property_read_bool(pdev->dev.of_node, "input");
 
-	ret = gpio_request(gpio_num, "poweroff-gpio");
-	if (ret) {
-		pr_err("%s: Could not get GPIO %d", __func__, gpio_num);
-		return ret;
-	}
 	if (input) {
-		if (gpio_direction_input(gpio_num)) {
-			pr_err("Could not set direction of GPIO %d to input",
-			       gpio_num);
-			goto err;
+		if (gpiod_direction_input(reset_gpio)) {
+			dev_err(&pdev->dev,
+				"Could not set direction of reset GPIO to input\n");
+			return -ENODEV;
 		}
 	} else {
-		if (gpio_direction_output(gpio_num, gpio_active_low)) {
-			pr_err("Could not set direction of GPIO %d", gpio_num);
-			goto err;
+		if (gpiod_direction_output(reset_gpio, 0)) {
+			dev_err(&pdev->dev,
+				"Could not set direction of reset GPIO\n");
+			return -ENODEV;
 		}
 	}
 
 	pm_power_off = &gpio_poweroff_do_poweroff;
 	return 0;
-
-err:
-	gpio_free(gpio_num);
-	return -ENODEV;
 }
 
 static int gpio_poweroff_remove(struct platform_device *pdev)
 {
-	gpio_free(gpio_num);
 	if (pm_power_off == &gpio_poweroff_do_poweroff)
 		pm_power_off = NULL;