diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-08-21 16:18:27 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-08-22 09:37:46 +0200 |
| commit | 9ce4ed5b4db13633f9934a4eac02c4cde04d5c63 (patch) | |
| tree | cc1a729486d8ee9717cab5d01a35bd058c47ee57 /drivers/gpio/gpiolib-cdev.c | |
| parent | 91043f559313fb04ac18253fcf18561a40c1b045 (diff) | |
gpiolib: provide and use gpiod_line_state_notify()
Wrap the calls to blocking_notifier_call_chain() for the line state
notifier with a helper that allows us to use fewer lines of code and
simpler syntax.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/gpio/gpiolib-cdev.c')
| -rw-r--r-- | drivers/gpio/gpiolib-cdev.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 35dcaf78aed6..e39d344feb28 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -230,9 +230,7 @@ static long linehandle_set_config(struct linehandle_state *lh, return ret; } - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIO_V2_LINE_CHANGED_CONFIG, - desc); + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_CONFIG); } return 0; } @@ -414,8 +412,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip) goto out_free_lh; } - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIO_V2_LINE_CHANGED_REQUESTED, desc); + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED); dev_dbg(&gdev->dev, "registered chardev handle for line %d\n", offset); @@ -1420,9 +1417,7 @@ static long linereq_set_config_unlocked(struct linereq *lr, WRITE_ONCE(line->edflags, edflags); - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIO_V2_LINE_CHANGED_CONFIG, - desc); + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_CONFIG); } return 0; } @@ -1737,8 +1732,7 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip) lr->lines[i].edflags = edflags; - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIO_V2_LINE_CHANGED_REQUESTED, desc); + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED); dev_dbg(&gdev->dev, "registered chardev handle for line %d\n", offset); @@ -2156,8 +2150,7 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) if (ret) goto out_free_le; - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIO_V2_LINE_CHANGED_REQUESTED, desc); + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED); irq = gpiod_to_irq(desc); if (irq <= 0) { |