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Mon, 03 Mar 2025 05:18:45 -0800 (PST) From: Bartosz Golaszewski Date: Mon, 03 Mar 2025 14:18:33 +0100 Subject: [PATCH 08/15] gpio: altera: use new 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: <20250303-gpiochip-set-conversion-v1-8-1d5cceeebf8b@linaro.org> References: <20250303-gpiochip-set-conversion-v1-0-1d5cceeebf8b@linaro.org> In-Reply-To: <20250303-gpiochip-set-conversion-v1-0-1d5cceeebf8b@linaro.org> To: Linus Walleij , Bartosz Golaszewski , Michael Hennerich , Laurent Pinchart , Mun Yew Tham , Joel Stanley , Andrew Jeffery Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, patches@opensource.cirrus.com, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 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-altera.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c index 17ab039c7413..1b28525726d7 100644 --- a/drivers/gpio/gpio-altera.c +++ b/drivers/gpio/gpio-altera.c @@ -113,7 +113,7 @@ static int altera_gpio_get(struct gpio_chip *gc, unsign= ed offset) return !!(readl(altera_gc->regs + ALTERA_GPIO_DATA) & BIT(offset)); } =20 -static void altera_gpio_set(struct gpio_chip *gc, unsigned offset, int val= ue) +static int altera_gpio_set(struct gpio_chip *gc, unsigned int offset, int = value) { struct altera_gpio_chip *altera_gc =3D gpiochip_get_data(gc); unsigned long flags; @@ -127,6 +127,8 @@ static void altera_gpio_set(struct gpio_chip *gc, unsig= ned offset, int value) data_reg &=3D ~BIT(offset); writel(data_reg, altera_gc->regs + ALTERA_GPIO_DATA); raw_spin_unlock_irqrestore(&altera_gc->gpio_lock, flags); + + return 0; } =20 static int altera_gpio_direction_input(struct gpio_chip *gc, unsigned offs= et) @@ -257,7 +259,7 @@ static int altera_gpio_probe(struct platform_device *pd= ev) altera_gc->gc.direction_input =3D altera_gpio_direction_input; altera_gc->gc.direction_output =3D altera_gpio_direction_output; altera_gc->gc.get =3D altera_gpio_get; - altera_gc->gc.set =3D altera_gpio_set; + altera_gc->gc.set_rv =3D altera_gpio_set; altera_gc->gc.owner =3D THIS_MODULE; altera_gc->gc.parent =3D &pdev->dev; altera_gc->gc.base =3D -1; --=20 2.45.2