linux-kernel - [PATCH 08/12] gpio: nomadik: use new GPIO line value setter callbacks

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Message-Id: <20250610-gpiochip-set-rv-gpio-v1-8-3a9a3c1472ff@linaro.org>
Date: Tue, 10 Jun 2025 14:33:18 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Marek Behún <kabel@...nel.org>, 
 Conor Dooley <conor.dooley@...rochip.com>, 
 Daire McNamara <daire.mcnamara@...rochip.com>, 
 Daniel Palmer <daniel@...ngy.jp>, Romain Perier <romain.perier@...il.com>, 
 Avi Fishman <avifishman70@...il.com>, Tomer Maimon <tmaimon77@...il.com>, 
 Tali Perry <tali.perry1@...il.com>, Patrick Venture <venture@...gle.com>, 
 Nancy Yuen <yuenn@...gle.com>, Benjamin Fair <benjaminfair@...gle.com>, 
 Grygorii Strashko <grygorii.strashko@...com>, 
 Santosh Shilimkar <ssantosh@...nel.org>, Kevin Hilman <khilman@...nel.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 openbmc@...ts.ozlabs.org, linux-omap@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 08/12] gpio: nomadik: use new GPIO line value setter
 callbacks

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-nomadik.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c
index fa19a44943fd7ae167079b34a48f669a38ec4ae7..296d13845b3009a52068ecacd8d2d6a25eede9d6 100644
--- a/drivers/gpio/gpio-nomadik.c
+++ b/drivers/gpio/gpio-nomadik.c
@@ -347,8 +347,8 @@ static int nmk_gpio_get_input(struct gpio_chip *chip, unsigned int offset)
 	return value;
 }
 
-static void nmk_gpio_set_output(struct gpio_chip *chip, unsigned int offset,
-				int val)
+static int nmk_gpio_set_output(struct gpio_chip *chip, unsigned int offset,
+			       int val)
 {
 	struct nmk_gpio_chip *nmk_chip = gpiochip_get_data(chip);
 
@@ -357,6 +357,8 @@ static void nmk_gpio_set_output(struct gpio_chip *chip, unsigned int offset,
 	__nmk_gpio_set_output(nmk_chip, offset, val);
 
 	clk_disable(nmk_chip->clk);
+
+	return 0;
 }
 
 static int nmk_gpio_make_output(struct gpio_chip *chip, unsigned int offset,
@@ -672,7 +674,7 @@ static int nmk_gpio_probe(struct platform_device *pdev)
 	chip->direction_input = nmk_gpio_make_input;
 	chip->get = nmk_gpio_get_input;
 	chip->direction_output = nmk_gpio_make_output;
-	chip->set = nmk_gpio_set_output;
+	chip->set_rv = nmk_gpio_set_output;
 	chip->dbg_show = nmk_gpio_dbg_show;
 	chip->can_sleep = false;
 	chip->owner = THIS_MODULE;

-- 
2.48.1