gpiolib: Get rid of not used of_node member

All new drivers should use fwnode and / or parent to provide the
necessary information to the GPIO library.

Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

1 files changed, 5 insertions, 20 deletions

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 4a47e71782f3..edc769d2d338 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -651,7 +651,7 @@ static struct gpio_desc *of_parse_own_gpio(struct device_node *np,
 	u32 tmp;
 	int ret;
 
-	chip_np = chip->of_node;
+	chip_np = dev_of_node(&chip->gpiodev->dev);
 	if (!chip_np)
 		return ERR_PTR(-EINVAL);
 
@@ -743,7 +743,7 @@ static int of_gpiochip_scan_gpios(struct gpio_chip *chip)
 	struct device_node *np;
 	int ret;
 
-	for_each_available_child_of_node(chip->of_node, np) {
+	for_each_available_child_of_node(dev_of_node(&chip->gpiodev->dev), np) {
 		if (!of_property_read_bool(np, "gpio-hog"))
 			continue;
 
@@ -953,14 +953,15 @@ EXPORT_SYMBOL_GPL(of_mm_gpiochip_remove);
 #ifdef CONFIG_PINCTRL
 static int of_gpiochip_add_pin_range(struct gpio_chip *chip)
 {
-	struct device_node *np = chip->of_node;
 	struct of_phandle_args pinspec;
 	struct pinctrl_dev *pctldev;
+	struct device_node *np;
 	int index = 0, ret;
 	const char *name;
 	static const char group_names_propname[] = "gpio-ranges-group-names";
 	struct property *group_names;
 
+	np = dev_of_node(&chip->gpiodev->dev);
 	if (!np)
 		return 0;
 
@@ -1046,7 +1047,7 @@ int of_gpiochip_add(struct gpio_chip *chip)
 	struct device_node *np;
 	int ret;
 
-	np = to_of_node(dev_fwnode(&chip->gpiodev->dev));
+	np = dev_of_node(&chip->gpiodev->dev);
 	if (!np)
 		return 0;
 
@@ -1075,19 +1076,3 @@ void of_gpiochip_remove(struct gpio_chip *chip)
 {
 	fwnode_handle_put(chip->fwnode);
 }
-
-void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
-{
-	/* Set default OF node to parent's one if present */
-	if (gc->parent)
-		gdev->dev.of_node = gc->parent->of_node;
-
-	if (gc->fwnode)
-		gc->of_node = to_of_node(gc->fwnode);
-
-	/* If the gpiochip has an assigned OF node this takes precedence */
-	if (gc->of_node)
-		gdev->dev.of_node = gc->of_node;
-	else
-		gc->of_node = gdev->dev.of_node;
-}