diff mbox series

[v4,1/8] gpiolib: notify user-space when a driver requests its own desc

Message ID 20241017-gpio-notify-in-kernel-events-v4-1-64bc05f3be0c@linaro.org
State New
Headers show
Series gpio: notify user-space about config changes in the kernel | expand

Commit Message

Bartosz Golaszewski Oct. 17, 2024, 8:14 a.m. UTC 
From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

We notify user-space about lines being requested from user-space or by
drivers calling gpiod_get() but not when drivers request their own lines
so add the missing call to gpiod_line_state_notify().

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/gpio/gpiolib.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 97346b746ef5..c09464f70f73 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2532,6 +2532,8 @@  struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc,
 		return ERR_PTR(ret);
 	}
 
+	gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED);
+
 	return desc;
 }
 EXPORT_SYMBOL_GPL(gpiochip_request_own_desc);