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Mon, 10 Mar 2025 05:40:27 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 10 Mar 2025 13:40:16 +0100 Subject: [PATCH 02/15] gpio: bcm-kona: 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: <20250310-gpiochip-set-conversion-v1-2-03798bb833eb@linaro.org> References: <20250310-gpiochip-set-conversion-v1-0-03798bb833eb@linaro.org> In-Reply-To: <20250310-gpiochip-set-conversion-v1-0-03798bb833eb@linaro.org> To: Ray Jui , Broadcom internal kernel review list , Linus Walleij , Bartosz Golaszewski , Florian Fainelli , Scott Branden , Matti Vaittinen , Marek Vasut , Michael Buesch , Thomas Richard , Eugeniy Paltsev , Benson Leung , Guenter Roeck , Andy Shevchenko , Support Opensource Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, chrome-platform@lists.linux.dev, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; 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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-bcm-kona.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index a7390b1f1173..17c287dc7471 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -149,7 +149,8 @@ static int bcm_kona_gpio_get_dir(struct gpio_chip *chip= , unsigned gpio) return val ? GPIO_LINE_DIRECTION_IN : GPIO_LINE_DIRECTION_OUT; } =20 -static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int v= alue) +static int bcm_kona_gpio_set(struct gpio_chip *chip, unsigned int gpio, + int value) { struct bcm_kona_gpio *kona_gpio; void __iomem *reg_base; @@ -164,13 +165,15 @@ static void bcm_kona_gpio_set(struct gpio_chip *chip,= unsigned gpio, int value) =20 /* this function only applies to output pin */ if (bcm_kona_gpio_get_dir(chip, gpio) =3D=3D GPIO_LINE_DIRECTION_IN) - return; + return 0; =20 reg_offset =3D value ? GPIO_OUT_SET(bank_id) : GPIO_OUT_CLEAR(bank_id); =20 val =3D readl(reg_base + reg_offset); val |=3D BIT(bit); writel(val, reg_base + reg_offset); + + return 0; } =20 static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio) @@ -336,7 +339,7 @@ static const struct gpio_chip template_chip =3D { .direction_input =3D bcm_kona_gpio_direction_input, .get =3D bcm_kona_gpio_get, .direction_output =3D bcm_kona_gpio_direction_output, - .set =3D bcm_kona_gpio_set, + .set_rv =3D bcm_kona_gpio_set, .set_config =3D bcm_kona_gpio_set_config, .to_irq =3D bcm_kona_gpio_to_irq, .base =3D 0, --=20 2.45.2