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Tue, 17 Jun 2025 05:24:50 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 17 Jun 2025 14:24:31 +0200 Subject: [PATCH 09/12] gpio: reg: 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: <20250617-gpiochip-set-rv-gpio-v1-9-903703881fa2@linaro.org> References: <20250617-gpiochip-set-rv-gpio-v1-0-903703881fa2@linaro.org> In-Reply-To: <20250617-gpiochip-set-rv-gpio-v1-0-903703881fa2@linaro.org> To: Linus Walleij , Bartosz Golaszewski , Andy Shevchenko , Orson Zhai , Baolin Wang , Chunyan Zhang , Robert Jarzmik , Heiko Stuebner Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1609; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=2vGuNGgCgh0pc+4hsP4u+sm/9GXFZBWpDEWg7HI60YI=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoUV6IRA8tyBhHC37R2KBIo+pHJI7AEfyKcsRQq WM5zs1FSCiJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaFFeiAAKCRARpy6gFHHX ci99D/4hhJaBJIevMhmTwG4mOMgBexZpMsXQOU3lkV3o0lyW7sCFFoT4RAxJkgHQb3UY4BdCzYR hsuVsjmoiLXcB24EATcTHXDb+I4MldGSrUNljZkUqOcM2wOGt1cT658ZCdGGoH1vlNWLNHOVT6/ 2sL/BZgYNCi2AH3VGnf8a00O6kLdiRfcwLZC+PUzfsrpKn8gF1Ix3Mkbsa7OLF84038LJq6bI1c c2VRA2dqE9Gt+iutb+pLDOys7jK/e7YtrEvr6TVipW7t9rd+wfSGx6VjRRdQOzpRg1eu+J+Xi8T AYWthV9MGLhyJPDlQWECWxURTOjIym45RF7cVhwDCcsUKTj5xSOxGX09IUdOZYJR0VGfLcJPnbb 8BddmRCCqi8QUywmi0PQdgTEK7df0vHiAsu3qsbCUCWv/gGbWZLFJNBy/KO5u554GAGHkJBg682 j8YI40oL+nnf6nrN9JftBHs1Zd1kU2plsmAdp1w09XQCrJHaFQY3rUn6NEacZyxNZh1mzMfxSNZ G1fQZCb+TzEfZ+NGQJGbHU+7rf1b/xGILFLDqr+ip8XKYSSu5+No4Mauf3r9NKCxcIYvTtPMDBf uQx3IwCLQdPUqNBmuCpK8CrCHmX66eULZioJiClL3IJoMf8EKjEJF0epLFCIxutnFYCk+3O0QSk 07I77UmQH5zfvzQ== X-Developer-Key: i=bartosz.golaszewski@linaro.org; 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-reg.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-reg.c b/drivers/gpio/gpio-reg.c index 73c7260d89c083a702b1d914ddca7a573a37de4a..d5f3d8f18b405d124b17c338d79= 846214f9e97de 100644 --- a/drivers/gpio/gpio-reg.c +++ b/drivers/gpio/gpio-reg.c @@ -57,7 +57,7 @@ static int gpio_reg_direction_input(struct gpio_chip *gc,= unsigned offset) return r->direction & BIT(offset) ? 0 : -ENOTSUPP; } =20 -static void gpio_reg_set(struct gpio_chip *gc, unsigned offset, int value) +static int gpio_reg_set(struct gpio_chip *gc, unsigned int offset, int val= ue) { struct gpio_reg *r =3D to_gpio_reg(gc); unsigned long flags; @@ -72,6 +72,8 @@ static void gpio_reg_set(struct gpio_chip *gc, unsigned o= ffset, int value) r->out =3D val; writel_relaxed(val, r->reg); spin_unlock_irqrestore(&r->lock, flags); + + return 0; } =20 static int gpio_reg_get(struct gpio_chip *gc, unsigned offset) @@ -157,7 +159,7 @@ struct gpio_chip *gpio_reg_init(struct device *dev, voi= d __iomem *reg, r->gc.get_direction =3D gpio_reg_get_direction; r->gc.direction_input =3D gpio_reg_direction_input; r->gc.direction_output =3D gpio_reg_direction_output; - r->gc.set =3D gpio_reg_set; + r->gc.set_rv =3D gpio_reg_set; r->gc.get =3D gpio_reg_get; r->gc.set_multiple =3D gpio_reg_set_multiple; if (irqs) --=20 2.48.1