linux-kernel - [PATCH 06/12] gpio: pxa: use new GPIO line value setter callbacks

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Message-Id: <20250617-gpiochip-set-rv-gpio-v1-6-903703881fa2@linaro.org>
Date: Tue, 17 Jun 2025 14:24:28 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Andy Shevchenko <andy@...nel.org>, 
 Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, 
 Robert Jarzmik <robert.jarzmik@...e.fr>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 06/12] gpio: pxa: 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-pxa.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 131ab79ebce7555313fd93b3ebd80582d1b9327d..13f7da2a9486428bb8d1d44d2caf9f21f82cbca5 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -315,12 +315,14 @@ static int pxa_gpio_get(struct gpio_chip *chip, unsigned offset)
 	return !!(gplr & GPIO_bit(offset));
 }
 
-static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int pxa_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	void __iomem *base = gpio_bank_base(chip, offset);
 
 	writel_relaxed(GPIO_bit(offset),
 		       base + (value ? GPSR_OFFSET : GPCR_OFFSET));
+
+	return 0;
 }
 
 #ifdef CONFIG_OF_GPIO
@@ -353,7 +355,7 @@ static int pxa_init_gpio_chip(struct pxa_gpio_chip *pchip, int ngpio, void __iom
 	pchip->chip.direction_input  = pxa_gpio_direction_input;
 	pchip->chip.direction_output = pxa_gpio_direction_output;
 	pchip->chip.get = pxa_gpio_get;
-	pchip->chip.set = pxa_gpio_set;
+	pchip->chip.set_rv = pxa_gpio_set;
 	pchip->chip.to_irq = pxa_gpio_to_irq;
 	pchip->chip.ngpio = ngpio;
 	pchip->chip.request = gpiochip_generic_request;

-- 
2.48.1