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Tue, 10 Jun 2025 05:33:26 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 10 Jun 2025 14:33:14 +0200 Subject: [PATCH 04/12] gpio: mpc5200: use new GPIO line value setter callbacks Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250610-gpiochip-set-rv-gpio-v1-4-3a9a3c1472ff@linaro.org> References: <20250610-gpiochip-set-rv-gpio-v1-0-3a9a3c1472ff@linaro.org> In-Reply-To: <20250610-gpiochip-set-rv-gpio-v1-0-3a9a3c1472ff@linaro.org> To: Linus Walleij , Bartosz Golaszewski , =?utf-8?q?Marek_Beh=C3=BAn?= , Conor Dooley , Daire McNamara , Daniel Palmer , Romain Perier , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Grygorii Strashko , Santosh Shilimkar , Kevin Hilman Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, openbmc@lists.ozlabs.org, linux-omap@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 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-mpc5200.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/gpio-mpc5200.c b/drivers/gpio/gpio-mpc5200.c index 091d96f2d682941378d251e95eed88ff16bd39c2..40d587176a754a6277b87b760f562ed5304b6eef 100644 --- a/drivers/gpio/gpio-mpc5200.c +++ b/drivers/gpio/gpio-mpc5200.c @@ -69,7 +69,7 @@ __mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) out_8(®s->wkup_dvo, chip->shadow_dvo); } -static void +static int mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { unsigned long flags; @@ -81,6 +81,8 @@ mpc52xx_wkup_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) spin_unlock_irqrestore(&gpio_lock, flags); pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val); + + return 0; } static int mpc52xx_wkup_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) @@ -151,7 +153,7 @@ static int mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev) gc->direction_input = mpc52xx_wkup_gpio_dir_in; gc->direction_output = mpc52xx_wkup_gpio_dir_out; gc->get = mpc52xx_wkup_gpio_get; - gc->set = mpc52xx_wkup_gpio_set; + gc->set_rv = mpc52xx_wkup_gpio_set; ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip); if (ret) @@ -228,7 +230,7 @@ __mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) out_be32(®s->simple_dvo, chip->shadow_dvo); } -static void +static int mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { unsigned long flags; @@ -240,6 +242,8 @@ mpc52xx_simple_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) spin_unlock_irqrestore(&gpio_lock, flags); pr_debug("%s: gpio: %d val: %d\n", __func__, gpio, val); + + return 0; } static int mpc52xx_simple_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) @@ -311,7 +315,7 @@ static int mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev) gc->direction_input = mpc52xx_simple_gpio_dir_in; gc->direction_output = mpc52xx_simple_gpio_dir_out; gc->get = mpc52xx_simple_gpio_get; - gc->set = mpc52xx_simple_gpio_set; + gc->set_rv = mpc52xx_simple_gpio_set; ret = of_mm_gpiochip_add_data(ofdev->dev.of_node, &chip->mmchip, chip); if (ret) -- 2.48.1