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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2026-01-13 14:10:52 +0300
committerBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>2026-01-13 17:17:35 +0300
commite05ef046ebb1ca879d885593130fa822ff664ca1 (patch)
treebdb4f8432f60d131faa99c279ff4dca4b3ba94a3
parent568ea51e61f7da72ee290d24d6ee952586a3e168 (diff)
downloadlinux-e05ef046ebb1ca879d885593130fa822ff664ca1.tar.xz
gpio: pca9570: Use devm_mutex_init() for mutex initialization
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>
-rw-r--r--drivers/gpio/gpio-pca9570.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c
index c5a1287079a0..eae35135c71e 100644
--- a/drivers/gpio/gpio-pca9570.c
+++ b/drivers/gpio/gpio-pca9570.c
@@ -115,7 +115,9 @@ out:
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);