From: Bartosz Golaszewski <brgl@bgdev.pl>
To: "Linus Walleij" <linus.walleij@linaro.org>,
"Bartosz Golaszewski" <brgl@bgdev.pl>,
"Michael Walle" <mwalle@kernel.org>,
"Bamvor Jian Zhang" <bamv2005@gmail.com>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
Keerthy <j-keerthy@ti.com>,
"Uwe Kleine-König" <ukleinek@kernel.org>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-pwm@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: [PATCH v2 08/15] gpio: pca953x: use value returning setters
Date: Thu, 20 Feb 2025 10:57:05 +0100 [thread overview]
Message-ID: <20250220-gpio-set-retval-v2-8-bc4cfd38dae3@linaro.org> (raw)
In-Reply-To: <20250220-gpio-set-retval-v2-0-bc4cfd38dae3@linaro.org>
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
drivers/gpio/gpio-pca953x.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index d63c1030e6ac..442435ded020 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -570,7 +570,8 @@ static int pca953x_gpio_get_value(struct gpio_chip *gc, unsigned off)
return !!(reg_val & bit);
}
-static void pca953x_gpio_set_value(struct gpio_chip *gc, unsigned off, int val)
+static int pca953x_gpio_set_value(struct gpio_chip *gc, unsigned int off,
+ int val)
{
struct pca953x_chip *chip = gpiochip_get_data(gc);
u8 outreg = chip->recalc_addr(chip, chip->regs->output, off);
@@ -578,7 +579,7 @@ static void pca953x_gpio_set_value(struct gpio_chip *gc, unsigned off, int val)
guard(mutex)(&chip->i2c_lock);
- regmap_write_bits(chip->regmap, outreg, bit, val ? bit : 0);
+ return regmap_write_bits(chip->regmap, outreg, bit, val ? bit : 0);
}
static int pca953x_gpio_get_direction(struct gpio_chip *gc, unsigned off)
@@ -616,8 +617,8 @@ static int pca953x_gpio_get_multiple(struct gpio_chip *gc,
return 0;
}
-static void pca953x_gpio_set_multiple(struct gpio_chip *gc,
- unsigned long *mask, unsigned long *bits)
+static int pca953x_gpio_set_multiple(struct gpio_chip *gc,
+ unsigned long *mask, unsigned long *bits)
{
struct pca953x_chip *chip = gpiochip_get_data(gc);
DECLARE_BITMAP(reg_val, MAX_LINE);
@@ -627,11 +628,11 @@ static void pca953x_gpio_set_multiple(struct gpio_chip *gc,
ret = pca953x_read_regs(chip, chip->regs->output, reg_val);
if (ret)
- return;
+ return ret;
bitmap_replace(reg_val, reg_val, bits, mask, gc->ngpio);
- pca953x_write_regs(chip, chip->regs->output, reg_val);
+ return pca953x_write_regs(chip, chip->regs->output, reg_val);
}
static int pca953x_gpio_set_pull_up_down(struct pca953x_chip *chip,
@@ -693,10 +694,10 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
gc->direction_input = pca953x_gpio_direction_input;
gc->direction_output = pca953x_gpio_direction_output;
gc->get = pca953x_gpio_get_value;
- gc->set = pca953x_gpio_set_value;
+ gc->set_rv = pca953x_gpio_set_value;
gc->get_direction = pca953x_gpio_get_direction;
gc->get_multiple = pca953x_gpio_get_multiple;
- gc->set_multiple = pca953x_gpio_set_multiple;
+ gc->set_multiple_rv = pca953x_gpio_set_multiple;
gc->set_config = pca953x_gpio_set_config;
gc->can_sleep = true;
--
2.45.2
next prev parent reply other threads:[~2025-02-20 9:57 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-20 9:56 [PATCH v2 00/15] gpiolib: indicate errors in value setters Bartosz Golaszewski
2025-02-20 9:56 ` [PATCH v2 01/15] leds: aw200xx: don't use return with gpiod_set_value() variants Bartosz Golaszewski
2025-03-06 22:51 ` (subset) " Lee Jones
2025-03-07 7:03 ` Bartosz Golaszewski
2025-03-13 15:29 ` Lee Jones
2025-02-20 9:56 ` [PATCH v2 02/15] gpiolib: make value setters have return values Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 03/15] gpiolib: wrap gpio_chip::set() Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 04/15] gpiolib: rework the wrapper around gpio_chip::set_multiple() Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 05/15] gpiolib: introduce gpio_chip setters that return values Bartosz Golaszewski
[not found] ` <CGME20250227140054eucas1p2bf6e3f2416e11e3c62a704682bf052bf@eucas1p2.samsung.com>
2025-02-27 14:00 ` Marek Szyprowski
2025-02-27 14:10 ` Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 06/15] gpio: sim: use value returning setters Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 07/15] gpio: regmap: " Bartosz Golaszewski
2025-02-20 10:08 ` Michael Walle
2025-02-20 9:57 ` Bartosz Golaszewski [this message]
2025-02-20 9:57 ` [PATCH v2 09/15] gpio: mockup: " Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 10/15] gpio: aggregator: " Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 11/15] gpio: max77650: " Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 12/15] gpio: latch: use lock guards Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 13/15] gpio: latch: use value returning setters Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 14/15] gpio: davinci: " Bartosz Golaszewski
2025-02-20 9:57 ` [PATCH v2 15/15] gpio: mvebu: " Bartosz Golaszewski
2025-02-21 9:33 ` [PATCH v2 00/15] gpiolib: indicate errors in value setters Uwe Kleine-König
2025-02-26 10:19 ` Bartosz Golaszewski
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