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Tue, 08 Apr 2025 00:21:16 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 08 Apr 2025 09:21:12 +0200 Subject: [PATCH 4/5] powerpc: 52xx/gpio: use new 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: <20250408-gpiochip-set-rv-powerpc-v1-4-73dc1ebc6ef1@linaro.org> References: <20250408-gpiochip-set-rv-powerpc-v1-0-73dc1ebc6ef1@linaro.org> In-Reply-To: <20250408-gpiochip-set-rv-powerpc-v1-0-73dc1ebc6ef1@linaro.org> To: Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Linus Walleij , Bartosz Golaszewski , Anatolij Gustschin Cc: linuxppc-dev@lists.ozlabs.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=1625; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=bkSnAWn1tiNFi+Tzj5ivTeMtlGuzsIZFtgns6Zf14Mg=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBn9M5nMXBRd9uglf1v9JiIXSvv4QhJX+qgqtx4m oLBvLI77c6JAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ/TOZwAKCRARpy6gFHHX crylEADOeJxsWbM8Qlpy6KWQ5pDNGZ3Sy1k7KSHEPtibqX4pDvTT+rvmj+q5af7AgQhGAUKw60n LoN2ym6kJ2RXpauVosz5GOIuD6As//tXeflYzn4L4q7tSQ1ZA6iCGZbGotMwSu8NwBHyXTh7iGw p8nDWS/nYvlDuiCHYxbe2WCCbgybgMj3XcjObVtwCetpjsE+CoTEj3zOrqTngJegY0UbSin12eq HVwyU7f+GzY8meh7nWc0FgPtjEShmVm8VVoumvIt/q2ZxUFoHRFLJEGd9MfiGlbKxV1T+bg8nbD 9YWAAOGffBxFue29AEjZ0S0Ciw/B1mdJZ6/1E+gGLsmkOv5QL/olUtd3VKu0KHupILfFpI7ShzA DY3Z8pr4rM0WucQgr3md7/4ypm8sDejAmXmQxYioeJBqzn5ZGltf27cA2fKUUv85ErtlArU70dc JZVpZGrzOGFpjN7DkjE7ooUKnLrJOdnupdTN9vttPO4e2wmkOrxUci/Uz3v/bFK9oK68mRF9TxY V9Vx9GoLXc/b328iPklYO+jI3w94HroEu9u1NozvlDnMhdQ84NGOqO0s/pP18LzdQYUofYogx7u ysTM4W+pb8qN2owxenJroMDNUulxqeU/BQIJSEUv9vrmVSjZlU0jRwFaf/GsJpgZeEIR3RpQf/l 49lOQDFjVUPv1kw== 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 Reviewed-by: Christophe Leroy --- arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platf= orms/52xx/mpc52xx_gpt.c index 1ea591ec6083..c96af6b0eab4 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -280,7 +280,7 @@ static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, u= nsigned int gpio) return (in_be32(&gpt->regs->status) >> 8) & 1; } =20 -static void +static int mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int gpio, int v) { struct mpc52xx_gpt_priv *gpt =3D gpiochip_get_data(gc); @@ -293,6 +293,8 @@ mpc52xx_gpt_gpio_set(struct gpio_chip *gc, unsigned int= gpio, int v) raw_spin_lock_irqsave(&gpt->lock, flags); clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_GPIO_MASK, r); raw_spin_unlock_irqrestore(&gpt->lock, flags); + + return 0; } =20 static int mpc52xx_gpt_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) @@ -334,7 +336,7 @@ static void mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_p= riv *gpt) gpt->gc.direction_input =3D mpc52xx_gpt_gpio_dir_in; gpt->gc.direction_output =3D mpc52xx_gpt_gpio_dir_out; gpt->gc.get =3D mpc52xx_gpt_gpio_get; - gpt->gc.set =3D mpc52xx_gpt_gpio_set; + gpt->gc.set_rv =3D mpc52xx_gpt_gpio_set; gpt->gc.base =3D -1; gpt->gc.parent =3D gpt->dev; =20 --=20 2.45.2