linux-kernel - [PATCH 11/12] gpio: mc33880: use new GPIO line value setter callbacks

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Message-Id: <20250506-gpiochip-set-rv-gpio-part3-v1-11-0fbdea5a9667@linaro.org>
Date: Tue, 06 May 2025 11:01:54 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Vladimir Zapolskiy <vz@...ia.com>, 
 Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>, 
 Charles Keepax <ckeepax@...nsource.cirrus.com>, 
 Richard Fitzgerald <rf@...nsource.cirrus.com>, 
 Andy Shevchenko <andy@...nel.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-sound@...r.kernel.org, 
 patches@...nsource.cirrus.com, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 11/12] gpio: mc33880: 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-mc33880.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c
index 5fb357d7b78aa..e689561041616 100644
--- a/drivers/gpio/gpio-mc33880.c
+++ b/drivers/gpio/gpio-mc33880.c
@@ -57,15 +57,18 @@ static int __mc33880_set(struct mc33880 *mc, unsigned offset, int value)
 }
 
 
-static void mc33880_set(struct gpio_chip *chip, unsigned offset, int value)
+static int mc33880_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	struct mc33880 *mc = gpiochip_get_data(chip);
+	int ret;
 
 	mutex_lock(&mc->lock);
 
-	__mc33880_set(mc, offset, value);
+	ret = __mc33880_set(mc, offset, value);
 
 	mutex_unlock(&mc->lock);
+
+	return ret;
 }
 
 static int mc33880_probe(struct spi_device *spi)
@@ -100,7 +103,7 @@ static int mc33880_probe(struct spi_device *spi)
 	mc->spi = spi;
 
 	mc->chip.label = DRIVER_NAME;
-	mc->chip.set = mc33880_set;
+	mc->chip.set_rv = mc33880_set;
 	mc->chip.base = pdata->base;
 	mc->chip.ngpio = PIN_NUMBER;
 	mc->chip.can_sleep = true;

-- 
2.45.2