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Fri, 02 May 2025 01:59:55 -0700 (PDT) From: Bartosz Golaszewski Date: Fri, 02 May 2025 10:59:51 +0200 Subject: [PATCH v2 5/5] powerpc: 8xx/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: <20250502-gpiochip-set-rv-powerpc-v2-5-488e43e325bf@linaro.org> References: <20250502-gpiochip-set-rv-powerpc-v2-0-488e43e325bf@linaro.org> In-Reply-To: <20250502-gpiochip-set-rv-powerpc-v2-0-488e43e325bf@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=2792; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=9v+4cP+N9Ekqaku8fyOt8CZXpH5ZitQiy924EVCXv2U=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBoFImFV/zBpGNUkKObJQaO/c0oYX+Tv8vDmyzil Ug9qJCMkCaJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCaBSJhQAKCRARpy6gFHHX cksyD/0X+tJgjUPnAxn6EKf2Z9j6fWFPc1+1uIKAzbRceI+1oKELBb+otB64CIoIihXVwVt+92J WeO19V0+Q29RtvslOqkQNdyaazX264hPpEVN8oz1ebZeYkL/64AqoDjaNARKDenLURsrj4U1/pU 0kWP1TXJbkSzEF7AqAb61kqeUAUwZYly/MdL5dmZ22GLohEG0hswU5X+AdQNTKkE8ttWrDLa6UB kXHTvmo2g5VKATg+9ctmhcZVjPTh6V50TbHJjz6gIfiMm8MZ7fgq1nwUnPn3AZ9DmgVWUBSTr+G +4w1oBrnlQmLS6+E39xkCSdXzDf4mIsZvk+/hPGjJLuDDRUsq8/J72Ccaf4QdcBEFpu/cRvKqs+ Yi7STBrE5AgPkb0Qi189KebD0770ZU3saX9T0465ZSptxEPKu6NQSEpNnQLkN0QtIXsdNwo+h0g dXwPYZFx8kfep4AaIUcQK7dyk1KxsYlXOX8LazI62jiefMNyZkSll17/le6ayiMq3T+XvP54Jjm CB18WGR6nLuckcRgDOrY5pEMBYi1OXrefhwoqGEP2fP0VRRNYKAwMeR08IBkQLSWiGoK+ac+KEY Zv9O1H0+iu013fq2RDlItUKlG11ZDRJEcxARbfWkfW86nInRiCQLl8ywo6Ao8toT9XekBZLcwKp IzoHr5MPIAiB0ig== 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. Reviewed-by: Linus Walleij Reviewed-by: Christophe Leroy Acked-by: Christophe Leroy # powerpc 8xx Signed-off-by: Bartosz Golaszewski --- arch/powerpc/platforms/8xx/cpm1.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx= /cpm1.c index 1dc095ad48fcf..7462c221115cb 100644 --- a/arch/powerpc/platforms/8xx/cpm1.c +++ b/arch/powerpc/platforms/8xx/cpm1.c @@ -417,7 +417,7 @@ static void __cpm1_gpio16_set(struct cpm1_gpio16_chip *= cpm1_gc, u16 pin_mask, in out_be16(&iop->dat, cpm1_gc->cpdata); } =20 -static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int v= alue) +static int cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int va= lue) { struct cpm1_gpio16_chip *cpm1_gc =3D gpiochip_get_data(gc); unsigned long flags; @@ -428,6 +428,8 @@ static void cpm1_gpio16_set(struct gpio_chip *gc, unsig= ned int gpio, int value) __cpm1_gpio16_set(cpm1_gc, pin_mask, value); =20 spin_unlock_irqrestore(&cpm1_gc->lock, flags); + + return 0; } =20 static int cpm1_gpio16_to_irq(struct gpio_chip *gc, unsigned int gpio) @@ -497,7 +499,7 @@ int cpm1_gpiochip_add16(struct device *dev) gc->direction_input =3D cpm1_gpio16_dir_in; gc->direction_output =3D cpm1_gpio16_dir_out; gc->get =3D cpm1_gpio16_get; - gc->set =3D cpm1_gpio16_set; + gc->set_rv =3D cpm1_gpio16_set; gc->to_irq =3D cpm1_gpio16_to_irq; gc->parent =3D dev; gc->owner =3D THIS_MODULE; @@ -554,7 +556,7 @@ static void __cpm1_gpio32_set(struct cpm1_gpio32_chip *= cpm1_gc, u32 pin_mask, in out_be32(&iop->dat, cpm1_gc->cpdata); } =20 -static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int v= alue) +static int cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int va= lue) { struct cpm1_gpio32_chip *cpm1_gc =3D gpiochip_get_data(gc); unsigned long flags; @@ -565,6 +567,8 @@ static void cpm1_gpio32_set(struct gpio_chip *gc, unsig= ned int gpio, int value) __cpm1_gpio32_set(cpm1_gc, pin_mask, value); =20 spin_unlock_irqrestore(&cpm1_gc->lock, flags); + + return 0; } =20 static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, in= t val) @@ -618,7 +622,7 @@ int cpm1_gpiochip_add32(struct device *dev) gc->direction_input =3D cpm1_gpio32_dir_in; gc->direction_output =3D cpm1_gpio32_dir_out; gc->get =3D cpm1_gpio32_get; - gc->set =3D cpm1_gpio32_set; + gc->set_rv =3D cpm1_gpio32_set; gc->parent =3D dev; gc->owner =3D THIS_MODULE; =20 --=20 2.45.2