diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index a97b717e3ad..ff06582103c 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -392,6 +392,8 @@ static int pinctrl_get_device_gpio_range(unsigned gpio, { struct pinctrl_dev *pctldev = NULL; + mutex_lock(&pinctrldev_list_mutex); + /* Loop over the pin controllers */ list_for_each_entry(pctldev, &pinctrldev_list, node) { struct pinctrl_gpio_range *range; @@ -400,10 +402,13 @@ static int pinctrl_get_device_gpio_range(unsigned gpio, if (range != NULL) { *outdev = pctldev; *outrange = range; + mutex_unlock(&pinctrldev_list_mutex); return 0; } } + mutex_unlock(&pinctrldev_list_mutex); + return -EPROBE_DEFER; } |