diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib-cdev.c | 17 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.c | 12 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.h | 1 |
3 files changed, 14 insertions, 16 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) { diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 8f74e0bb2a5c..810bc09467a9 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2178,8 +2178,7 @@ static bool gpiod_free_commit(struct gpio_desc *desc) } spin_unlock_irqrestore(&gpio_lock, flags); - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIOLINE_CHANGED_RELEASED, desc); + gpiod_line_state_notify(desc, GPIOLINE_CHANGED_RELEASED); return ret; } @@ -3741,6 +3740,12 @@ int gpiod_set_array_value_cansleep(unsigned int array_size, } EXPORT_SYMBOL_GPL(gpiod_set_array_value_cansleep); +void gpiod_line_state_notify(struct gpio_desc *desc, unsigned long action) +{ + blocking_notifier_call_chain(&desc->gdev->line_state_notifier, + action, desc); +} + /** * gpiod_add_lookup_table() - register GPIO device consumers * @table: table of consumers to register @@ -4008,8 +4013,7 @@ static struct gpio_desc *gpiod_find_and_request(struct device *consumer, return ERR_PTR(ret); } - blocking_notifier_call_chain(&desc->gdev->line_state_notifier, - GPIOLINE_CHANGED_REQUESTED, desc); + gpiod_line_state_notify(desc, GPIOLINE_CHANGED_REQUESTED); return desc; } diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index e860ed434bc2..a0a67569300b 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -147,6 +147,7 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep, extern spinlock_t gpio_lock; extern struct list_head gpio_devices; +void gpiod_line_state_notify(struct gpio_desc *desc, unsigned long action); /** * struct gpio_desc - Opaque descriptor for a GPIO |