linux-kernel - [PATCH 06/10] pinctrl: amlogic-a4: use new GPIO line value setter callbacks

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Message-Id: <20250408-gpiochip-set-rv-pinctrl-part1-v1-6-c9d521d7c8c7@linaro.org>
Date: Tue, 08 Apr 2025 09:17:43 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Ludovic Desroches <ludovic.desroches@...rochip.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Xianwei Zhao <xianwei.zhao@...ogic.com>, 
 Patrick Rudolph <patrick.rudolph@...ements.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 06/10] pinctrl: amlogic-a4: 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/pinctrl/meson/pinctrl-amlogic-a4.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
index ee7bbc72f9b3..a76f266b4b94 100644
--- a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
+++ b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
@@ -806,15 +806,15 @@ static int aml_gpio_direction_output(struct gpio_chip *chip, unsigned int gpio,
 				  value ? BIT(bit) : 0);
 }
 
-static void aml_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
+static int aml_gpio_set(struct gpio_chip *chip, unsigned int gpio, int value)
 {
 	struct aml_gpio_bank *bank = gpiochip_get_data(chip);
 	unsigned int bit, reg;
 
 	aml_gpio_calc_reg_and_bit(bank, AML_REG_OUT, gpio, &reg, &bit);
 
-	regmap_update_bits(bank->reg_gpio, reg, BIT(bit),
-			   value ? BIT(bit) : 0);
+	return regmap_update_bits(bank->reg_gpio, reg, BIT(bit),
+				  value ? BIT(bit) : 0);
 }
 
 static int aml_gpio_get(struct gpio_chip *chip, unsigned int gpio)
@@ -832,7 +832,7 @@ static const struct gpio_chip aml_gpio_template = {
 	.request		= gpiochip_generic_request,
 	.free			= gpiochip_generic_free,
 	.set_config		= gpiochip_generic_config,
-	.set			= aml_gpio_set,
+	.set_rv			= aml_gpio_set,
 	.get			= aml_gpio_get,
 	.direction_input	= aml_gpio_direction_input,
 	.direction_output	= aml_gpio_direction_output,

-- 
2.45.2