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Tue, 08 Jul 2025 23:42:34 -0700 (PDT) From: Bartosz Golaszewski Date: Wed, 09 Jul 2025 08:41:54 +0200 Subject: [PATCH 17/19] gpio: zynq: use new GPIO line value setter callbacks Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250709-gpiochip-set-rv-gpio-remaining-v1-17-b8950f69618d@linaro.org> References: <20250709-gpiochip-set-rv-gpio-remaining-v1-0-b8950f69618d@linaro.org> In-Reply-To: <20250709-gpiochip-set-rv-gpio-remaining-v1-0-b8950f69618d@linaro.org> To: Linus Walleij , Bartosz Golaszewski , Kuppuswamy Sathyanarayanan , Andy Shevchenko , Shubhrajyoti Datta , Srinivas Neeli , Michal Simek , Nandor Han Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com, linux-arm-kernel@lists.infradead.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; 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a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski 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 --- drivers/gpio/gpio-zynq.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 3dae63f3ea217780818ccb991ccba13ab18775db..b22b4e25c68dc19388dc2eb6350= 4279e548c73b7 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -265,8 +265,8 @@ static int zynq_gpio_get_value(struct gpio_chip *chip, = unsigned int pin) * upper 16 bits) based on the given pin number and sets the state of a * gpio pin to the specified value. The state is either 0 or non-zero. */ -static void zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin, - int state) +static int zynq_gpio_set_value(struct gpio_chip *chip, unsigned int pin, + int state) { unsigned int reg_offset, bank_num, bank_pin_num; struct zynq_gpio *gpio =3D gpiochip_get_data(chip); @@ -290,6 +290,8 @@ static void zynq_gpio_set_value(struct gpio_chip *chip,= unsigned int pin, ((state << bank_pin_num) | ZYNQ_GPIO_UPPER_MASK); =20 writel_relaxed(state, gpio->base_addr + reg_offset); + + return 0; } =20 /** @@ -930,7 +932,7 @@ static int zynq_gpio_probe(struct platform_device *pdev) chip->owner =3D THIS_MODULE; chip->parent =3D &pdev->dev; chip->get =3D zynq_gpio_get_value; - chip->set =3D zynq_gpio_set_value; + chip->set_rv =3D zynq_gpio_set_value; chip->request =3D zynq_gpio_request; chip->free =3D zynq_gpio_free; chip->direction_input =3D zynq_gpio_dir_in; --=20 2.48.1