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gpio: pca9570: Use devm_mutex_init() for mutex initialization

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Use devm_mutex_init() since it brings some benefits when
CONFIG_DEBUG_MUTEXES is enabled.

Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20260113111156.188051-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Andy Shevchenko 2026-01-13 12:10:52 +01:00 committed by Bartosz Golaszewski
parent 568ea51e61
commit e05ef046eb
1 changed files with 5 additions and 1 deletions
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6
drivers/gpio/gpio-pca9570.c
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@ -115,7 +115,9 @@ static int pca9570_set(struct gpio_chip *chip, unsigned int offset, int value)
static int pca9570_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct pca9570 *gpio;
int ret;
gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL);
if (!gpio)
@ -132,7 +134,9 @@ static int pca9570_probe(struct i2c_client *client)
gpio->chip.ngpio = gpio->chip_data->ngpio;
gpio->chip.can_sleep = true;
mutex_init(&gpio->lock);
ret = devm_mutex_init(dev, &gpio->lock);
if (ret)
return ret;
/* Read the current output level */
pca9570_read(gpio, &gpio->out);