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Tue, 17 Jun 2025 05:24:42 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 17 Jun 2025 14:24:23 +0200 Subject: [PATCH 01/12] gpio: pca9570: 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-v1-1-903703881fa2@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=1532; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=t5r7nMPMOl/Fqhu7blFrjnyYOcc5SoneVJWT0UVvyG4=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoUV6GexaPCP0OCCCwFHuQx75j/9CG0GCDLgAZ+ KSrqpESNoeJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaFFehgAKCRARpy6gFHHX crYWD/9ppC5aJkPOyjWUhC/39fpEYawzV1oo4LA3Ztz2IaHRnTre6rmnHt0RWCnXb3Ogft50bJz 3OfxYoBxk7sT23zhDEayJMLa7f+yRxlrGtMkvvbajg7FnK6dG0ZLDivOjPjg+3j6E3Csa63xB2j 8NHdCO9JCcXS993dXW2c3g1qsqyUR9jz8rDcpExWFZ/dpsvD1IhAW1s9pxCuuE6tkO4fK2zT0e/ di9CWR4RhrAK430nIY3rf009lMITmd/RqKVwZqF5Ao7QVyT1xkeE2tyi8+SLYebXQrHJCOGir6z HvkMvSkvjZx58Vh587NJQmVKxXh+hfbpfjoifEL1TAG/u4umxKzvGrtWB/6GM6Ea702rIGaK379 y0A3uyAYwtTOlKyB+AtIdxG2ydQWpo0NXYdH9Yh+RVNveDOALdEVGPqf7USkh/PIEJJRDPpXe0r s3bdRpJem+8LjEB3NEZWVlWEpdPiHVZB8YN+CImGcs2ZDCvS0plVUK0AOTDix+TymPsvXzmJGLR ha7VhjmPrxB8on4mkXhIm89HpjTC2Ifn15yc7tNP8ewrAgJ0CWo1V5xAgKX0hB/oUjIbBWWJDzo TEzXU+kxQqmGT1ktMvoWFMbHuwI2JIJHPv3eMDKPjty/8ZQqsn83VFR6GZ+oAtqFAQzfujICE4J zyK6vI1OeVADF8A== 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-pca9570.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c index d37ba404936835bca160822ee361604827976e9b..a33246f20fd838a57abeedbbd7e= 58259bf073a86 100644 --- a/drivers/gpio/gpio-pca9570.c +++ b/drivers/gpio/gpio-pca9570.c @@ -88,7 +88,7 @@ static int pca9570_get(struct gpio_chip *chip, unsigned o= ffset) return !!(buffer & BIT(offset)); } =20 -static void pca9570_set(struct gpio_chip *chip, unsigned offset, int value) +static int pca9570_set(struct gpio_chip *chip, unsigned int offset, int va= lue) { struct pca9570 *gpio =3D gpiochip_get_data(chip); u8 buffer; @@ -110,6 +110,7 @@ static void pca9570_set(struct gpio_chip *chip, unsigne= d offset, int value) =20 out: mutex_unlock(&gpio->lock); + return ret; } =20 static int pca9570_probe(struct i2c_client *client) @@ -125,7 +126,7 @@ static int pca9570_probe(struct i2c_client *client) gpio->chip.owner =3D THIS_MODULE; gpio->chip.get_direction =3D pca9570_get_direction; gpio->chip.get =3D pca9570_get; - gpio->chip.set =3D pca9570_set; + gpio->chip.set_rv =3D pca9570_set; gpio->chip.base =3D -1; gpio->chip_data =3D device_get_match_data(&client->dev); gpio->chip.ngpio =3D gpio->chip_data->ngpio; --=20 2.48.1