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Tue, 11 Feb 2025 04:10:06 -0800 (PST) From: Bartosz Golaszewski Date: Tue, 11 Feb 2025 13:09:39 +0100 Subject: [PATCH 05/14] gpio: sim: use value returning setters 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: 7bit Message-Id: <20250211-gpio-set-retval-v1-5-52d3d613d7d3@linaro.org> References: <20250211-gpio-set-retval-v1-0-52d3d613d7d3@linaro.org> In-Reply-To: <20250211-gpio-set-retval-v1-0-52d3d613d7d3@linaro.org> To: Linus Walleij , Bartosz Golaszewski , Michael Walle , Bamvor Jian Zhang , Geert Uytterhoeven , Keerthy , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2166; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=qgip9bWI/vEDIjIxM48q+Vgy3ZpuucV2NIkQXo3Sfzw=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBnqz4WLpbRPKvx2jxe9bpfi1dULTAbOwUCmEDdB m+aroirElqJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ6s+FgAKCRARpy6gFHHX ctTsD/9hMGs8OBSM9c9QKMIU2N3W76nYowAseouI1RyUA+FmKsmnaU3/CjwEsNWSIRf2x2yciiz Vm97XxNXAsA1okzFjOPiKohXvzs5Ky0icjQZ0YNa62rWPGkDoHxukLyBpo6wJB/zZ0y2yiEML9z QRSZqM2RSVlJTnMLkF4anwAzg1M6fxekE/7LCvRLVcLOEEdDJvqZxT2YJcnsTWROiLDitisSejF zzVo+ez96hnJ5EKZitr8wZtpdiOMDDbwxQ0H6uiIKxaFspsTKqhDym2FhIhuOs43+MjgDT4iGeD rLpGRBi6feGA6xeG21X7XDzt3KtTGTWn3q5cpFwesaQ1cnYU64wMNlMZnu5NHPA56S4HAyUeisN b3w3ghuwseF1cPCygDHekCzQ5aSP8tfwaMou8mxUTJEL1CMfnqyoHzoxr5b8k3CPhAsgFhaiHSW dc5kQvu1a38iNssF11z24EqtRaw21yUZiMS2s3M5spL5RVJPtui4eqFX3+HK3IGIbKApgZU6sNP OHGZ/+mnO1nPcum/PvH+a2YjJlZiQwThnPXvMh3fWadt9K2RaUcG0BZfd5dWuPg9weH8wQXLK7N E5U0pdUYhRA2/nLG1s4Tsr93VxyxYXC1gw2lXCIoej+/rAj8INQgbfTNDFoZbXRlCGHLRZVT/yL dMcI6BRNXB752mg== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski struct gpio_chip now has additional variants of the set(_multiple) driver callbacks that return an integer to indicate success or failure. Convert the driver to using them. Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpio-sim.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index b6c230fab840..b3baa7e872bd 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -119,12 +119,14 @@ static int gpio_sim_get(struct gpio_chip *gc, unsigned int offset) return !!test_bit(offset, chip->value_map); } -static void gpio_sim_set(struct gpio_chip *gc, unsigned int offset, int value) +static int gpio_sim_set(struct gpio_chip *gc, unsigned int offset, int value) { struct gpio_sim_chip *chip = gpiochip_get_data(gc); scoped_guard(mutex, &chip->lock) __assign_bit(offset, chip->value_map, value); + + return 0; } static int gpio_sim_get_multiple(struct gpio_chip *gc, @@ -138,14 +140,16 @@ static int gpio_sim_get_multiple(struct gpio_chip *gc, return 0; } -static void gpio_sim_set_multiple(struct gpio_chip *gc, - unsigned long *mask, unsigned long *bits) +static int gpio_sim_set_multiple(struct gpio_chip *gc, + unsigned long *mask, unsigned long *bits) { struct gpio_sim_chip *chip = gpiochip_get_data(gc); scoped_guard(mutex, &chip->lock) bitmap_replace(chip->value_map, chip->value_map, bits, mask, gc->ngpio); + + return 0; } static int gpio_sim_direction_output(struct gpio_chip *gc, @@ -481,9 +485,9 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev) gc->parent = dev; gc->fwnode = swnode; gc->get = gpio_sim_get; - gc->set = gpio_sim_set; + gc->set_rv = gpio_sim_set; gc->get_multiple = gpio_sim_get_multiple; - gc->set_multiple = gpio_sim_set_multiple; + gc->set_multiple_rv = gpio_sim_set_multiple; gc->direction_output = gpio_sim_direction_output; gc->direction_input = gpio_sim_direction_input; gc->get_direction = gpio_sim_get_direction; -- 2.45.2