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Tue, 10 Jun 2025 05:58:53 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 10 Jun 2025 14:58:47 +0200 Subject: [PATCH 1/4] pinctrl: baytrail: 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: <20250610-gpiochip-set-rv-pinctrl-intel-v1-1-d7a773ff864e@linaro.org> References: <20250610-gpiochip-set-rv-pinctrl-intel-v1-0-d7a773ff864e@linaro.org> In-Reply-To: <20250610-gpiochip-set-rv-pinctrl-intel-v1-0-d7a773ff864e@linaro.org> To: Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1892; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=b/W4ziaIZgNvt2gfFSTw+J+YlxD2KTxq4CHCw9mjq48=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoSCwLGwnzqVkLfUS1V0SOYonbSmRblxE+rHBQp gKdYAYGONyJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaEgsCwAKCRARpy6gFHHX cjyLEADFOQ54jPSO1HZsx7GXyUdHxTSOgbMwKyCsouhFb1ic9GsIv81XFtVmDIlfLe42EIZPsrq YzhuHu1Z1uBlqSN20j6lzNUTZDEElUoGkF02jXUQtlEu14Ses7HTX7UWoKQjR2UFrKbwrJtAg/C dH+dIi7HNmOvTFIz6hP9Ucseb5X/qnk3YJxK++l45GkykXw6y56XAl1CRRoQzL/UpzoDkE5RfbZ 1AfQ6jOirYN7jhtpG2k26WLHbdBjzLRtPTe3XvH8VkHbStlh3rXsRODdT4x6lJ7L+Q9yfTaZ4Pb BCLiIDzYCfbDsiECjaGAdJkntnGMsf95nWF7A6B931P1zSaHBvBeOTyvU/KUviN+C2SUsWADSfn K7cL5wHQOBKXS1f+zrKIs04FPoZGOywEhuQ9VwCTgBa3qm+thDcXSX8DwromAtJ962uqvWrMc7o /T5v1SXV0njvWlp1OR991KWFw62yyasWyl6pUrc3me+xV/9MoPcJIh7DyZ2OLBYiGOISTY/IRvS 1beiSF4cisCm2OWopR8NuNzxg5YWIhegNmoBVxgD3z75FUm229GTK8Nr7jf86dZdolOJQmnDsPJ wI/oEITFoAMMtytOHl+G0ao7Z4P2TrY1VuvM2vmqHobdVWbrRxyMXG5m5j87og7gwNzHJHU4biY JisDOVmnzXNNhgA== 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/pinctrl/intel/pinctrl-baytrail.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/int= el/pinctrl-baytrail.c index 969137c4cb0659fc66bf461bcbcdc60fb2d0dcb6..6eb649f1ffd6e09c0a8c99704eb= 165dac58d9736 100644 --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -1045,7 +1045,7 @@ static int byt_gpio_get(struct gpio_chip *chip, unsig= ned int offset) return !!(val & BYT_LEVEL); } =20 -static void byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int = value) +static int byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int v= alue) { struct intel_pinctrl *vg =3D gpiochip_get_data(chip); void __iomem *reg; @@ -1053,7 +1053,7 @@ static void byt_gpio_set(struct gpio_chip *chip, unsi= gned int offset, int value) =20 reg =3D byt_gpio_reg(vg, offset, BYT_VAL_REG); if (!reg) - return; + return -EINVAL; =20 guard(raw_spinlock_irqsave)(&byt_lock); =20 @@ -1062,6 +1062,8 @@ static void byt_gpio_set(struct gpio_chip *chip, unsi= gned int offset, int value) writel(old_val | BYT_LEVEL, reg); else writel(old_val & ~BYT_LEVEL, reg); + + return 0; } =20 static int byt_gpio_get_direction(struct gpio_chip *chip, unsigned int off= set) @@ -1229,7 +1231,7 @@ static const struct gpio_chip byt_gpio_chip =3D { .direction_input =3D byt_gpio_direction_input, .direction_output =3D byt_gpio_direction_output, .get =3D byt_gpio_get, - .set =3D byt_gpio_set, + .set_rv =3D byt_gpio_set, .set_config =3D gpiochip_generic_config, .dbg_show =3D byt_gpio_dbg_show, }; --=20 2.48.1