linux-kernel - [PATCH v2 1/2] gpiolib: of: Prepare of_gpiochip_add() / of_gpiochip

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Message-Id: <20221108133853.61884-1-andriy.shevchenko@linux.intel.com>
Date:   Tue,  8 Nov 2022 15:38:52 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v2 1/2] gpiolib: of: Prepare of_gpiochip_add() / of_gpiochip_remove() for fwnode

GPIO library is getting rid of of_node, fwnode should be utilized instead.
Prepare of_gpiochip_add() / of_gpiochip_remove() for fwnode.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
v2: added tag (Dmitry)
 drivers/gpio/gpiolib-of.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index be9c34cca322..000020eb78d8 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -1104,9 +1104,11 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip) { return 0; }
 
 int of_gpiochip_add(struct gpio_chip *chip)
 {
+	struct device_node *np;
 	int ret;
 
-	if (!chip->of_node)
+	np = to_of_node(chip->fwnode);
+	if (!np)
 		return 0;
 
 	if (!chip->of_xlate) {
@@ -1123,18 +1125,18 @@ int of_gpiochip_add(struct gpio_chip *chip)
 	if (ret)
 		return ret;
 
-	of_node_get(chip->of_node);
+	fwnode_handle_get(chip->fwnode);
 
 	ret = of_gpiochip_scan_gpios(chip);
 	if (ret)
-		of_node_put(chip->of_node);
+		fwnode_handle_put(chip->fwnode);
 
 	return ret;
 }
 
 void of_gpiochip_remove(struct gpio_chip *chip)
 {
-	of_node_put(chip->of_node);
+	fwnode_handle_put(chip->fwnode);
 }
 
 void of_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)

base-commit: 80280df758c1498485988b30cf6887fde7796056
-- 
2.35.1