diff options
| author | Kent Gibson <warthog618@gmail.com> | 2020-07-08 12:15:51 +0800 |
|---|---|---|
| committer | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2020-07-12 10:22:00 +0200 |
| commit | 6accc376a7482ecec2537e3e092b4f06e11d5994 (patch) | |
| tree | 79b125819b7fcff9c4cf3372e98bfddb83dbce48 /drivers/gpio/gpiolib.h | |
| parent | 0cdc85a371c7c612a6fd04dd486a60f58350505b (diff) | |
gpiolib: cdev: use blocking notifier call chain instead of atomic
Replace usage of atomic_notifier_call_chain with
blocking_notifier_call_chain as the notifier function,
lineinfo_changed_notify, calls gpio_desc_to_lineinfo,
which calls pinctrl_gpio_can_use_line, which can sleep.
The chain isn't being called from an atomic context so the
the blocking notifier is a suitable substitute.
Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio/gpiolib.h')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 2dee4e1e12dc..6709f79c02dd 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -56,7 +56,7 @@ struct gpio_device { const char *label; void *data; struct list_head list; - struct atomic_notifier_head notifier; + struct blocking_notifier_head notifier; #ifdef CONFIG_PINCTRL /* |