linux-kernel - [PATCH] bcma: use new GPIO line value setter callbacks

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Message-Id: <20250407-gpiochip-set-rv-bcma-v1-1-fa403ad76966@linaro.org>
Date: Mon, 07 Apr 2025 09:10:49 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Rafał Miłecki <zajec5@...il.com>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-gpio@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH] bcma: 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/bcma/driver_gpio.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index 5f90bac6bb09..f021e27644e0 100644
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -26,12 +26,14 @@ static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
 	return !!bcma_chipco_gpio_in(cc, 1 << gpio);
 }
 
-static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
-				int value)
+static int bcma_gpio_set_value(struct gpio_chip *chip, unsigned int gpio,
+			       int value)
 {
 	struct bcma_drv_cc *cc = gpiochip_get_data(chip);
 
 	bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
+
+	return 0;
 }
 
 static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
@@ -184,7 +186,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
 	chip->request		= bcma_gpio_request;
 	chip->free		= bcma_gpio_free;
 	chip->get		= bcma_gpio_get_value;
-	chip->set		= bcma_gpio_set_value;
+	chip->set_rv		= bcma_gpio_set_value;
 	chip->direction_input	= bcma_gpio_direction_input;
 	chip->direction_output	= bcma_gpio_direction_output;
 	chip->parent		= bus->dev;

---
base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
change-id: 20250326-gpiochip-set-rv-bcma-763c7660ddfd

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>