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Mon, 07 Apr 2025 00:16:20 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 07 Apr 2025 09:16:17 +0200 Subject: [PATCH 2/2] hwmon: (pmbus/ucd9000) 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: <20250407-gpiochip-set-rv-hwmon-v1-2-1fa38f34dc07@linaro.org> References: <20250407-gpiochip-set-rv-hwmon-v1-0-1fa38f34dc07@linaro.org> In-Reply-To: <20250407-gpiochip-set-rv-hwmon-v1-0-1fa38f34dc07@linaro.org> To: Jean Delvare , Guenter Roeck , Linus Walleij , Bartosz Golaszewski Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2406; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=lT9LPgVcdHog5NKMsZeYq1JZn6VFGMZndrir3r18U4Y=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBn83vCqvelR6492PjchFZZRoSHlU+ZhyIQkbCAi C73EkHOFW6JAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ/N7wgAKCRARpy6gFHHX cng3EADUg97oz9I2TXygVlGc1U9x9LK/8rlGl/jqTG6LheeWfX7J3EEzlWFXZfpPqbkFkmfV8wU DbVpr7KLtP7c5csddJS9nXfNEsVgUQyyGXda1Ebl9mwp52cW30ksqbggYSGDdGEB0HGqUmfxYk3 m823XzZgo6I0cGW4Nu0mXGQYa7zYEzqBwUxUnlwD5AuertOLIvY9QX/tyEqgZFBaDYH7pS1NCFv QScrGVh9EfQVw1UQja2OAV4mNaS2T+Imv5tJHhVfnQMjME5Fry6rLPluck1n5HTSYQwzbxq1gvZ 1bucSP8YkAA80DsXfuO3sLdbyuoNfrT1AGF+ctPMNpOatseRBEv53H9yV+HMDIq5Bx33LRTarPq WmQxc2i7IUTZF3b2S0TJxXwR91G11XLC/gBcUOD/48oTnvxQ6K/lc+Bcuj5k69ZxD24rGK390bz y3xtMwrdnf2IcXj8sU61NuCyqYaprm+LS1fI9l1Tk71h2n3eaLxjOaNb8iMdrVF98xSzMAIgoRN REEmYF4Ja5Ul78RibwlXRKJCk6OM0HfgeGiWd3vpnw2doQOrHLkpgIQmduQf8NiNw6Drdk8m2Ys g8lWedA8sSZgR1RxfrQdwXiTVvmxIviO4hGS2zNa3eh3GYgDiy1zPpXSAWpwN/HOC5jIc7YJKA7 brtDUlwn9DxuD5Q== 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/hwmon/pmbus/ucd9000.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c index 9b0eadc81a2e..2bc8cccb01fd 100644 --- a/drivers/hwmon/pmbus/ucd9000.c +++ b/drivers/hwmon/pmbus/ucd9000.c @@ -212,8 +212,8 @@ static int ucd9000_gpio_get(struct gpio_chip *gc, unsig= ned int offset) return !!(ret & UCD9000_GPIO_CONFIG_STATUS); } =20 -static void ucd9000_gpio_set(struct gpio_chip *gc, unsigned int offset, - int value) +static int ucd9000_gpio_set(struct gpio_chip *gc, unsigned int offset, + int value) { struct i2c_client *client =3D gpiochip_get_data(gc); int ret; @@ -222,17 +222,17 @@ static void ucd9000_gpio_set(struct gpio_chip *gc, un= signed int offset, if (ret < 0) { dev_dbg(&client->dev, "failed to read GPIO %d config: %d\n", offset, ret); - return; + return ret; } =20 if (value) { if (ret & UCD9000_GPIO_CONFIG_STATUS) - return; + return 0; =20 ret |=3D UCD9000_GPIO_CONFIG_STATUS; } else { if (!(ret & UCD9000_GPIO_CONFIG_STATUS)) - return; + return 0; =20 ret &=3D ~UCD9000_GPIO_CONFIG_STATUS; } @@ -244,7 +244,7 @@ static void ucd9000_gpio_set(struct gpio_chip *gc, unsi= gned int offset, if (ret < 0) { dev_dbg(&client->dev, "Failed to write GPIO %d config: %d\n", offset, ret); - return; + return ret; } =20 ret &=3D ~UCD9000_GPIO_CONFIG_ENABLE; @@ -253,6 +253,8 @@ static void ucd9000_gpio_set(struct gpio_chip *gc, unsi= gned int offset, if (ret < 0) dev_dbg(&client->dev, "Failed to write GPIO %d config: %d\n", offset, ret); + + return ret; } =20 static int ucd9000_gpio_get_direction(struct gpio_chip *gc, @@ -362,7 +364,7 @@ static void ucd9000_probe_gpio(struct i2c_client *clien= t, data->gpio.direction_input =3D ucd9000_gpio_direction_input; data->gpio.direction_output =3D ucd9000_gpio_direction_output; data->gpio.get =3D ucd9000_gpio_get; - data->gpio.set =3D ucd9000_gpio_set; + data->gpio.set_rv =3D ucd9000_gpio_set; data->gpio.can_sleep =3D true; data->gpio.base =3D -1; data->gpio.parent =3D &client->dev; --=20 2.45.2