Commit d03d2a8c authored by Stefan Eichenberger's avatar Stefan Eichenberger Committed by Sebastian Reichel
Browse files

power: reset: gpio-poweroff: make sys handler priority configurable 



Add a priority property equal to gpio-restart to allow increasing the
priority of the gpio-poweroff handler.

Signed-off-by: default avatarStefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: default avatarFrancesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20231006130428.11259-5-francesco@dolcini.it


Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
parent 4ee17bd3

drivers/power/reset/gpio-poweroff.c

+7 −2
Original line number Diff line number Diff line
@@ -54,6 +54,7 @@ static int gpio_poweroff_probe(struct platform_device *pdev) 
	struct gpio_poweroff *gpio_poweroff;

	bool input = false;

	enum gpiod_flags flags;

	int priority = SYS_OFF_PRIO_DEFAULT;

	int ret;



	gpio_poweroff = devm_kzalloc(&pdev->dev, sizeof(*gpio_poweroff), GFP_KERNEL);
@@ -75,14 +76,18 @@ static int gpio_poweroff_probe(struct platform_device *pdev) 
	device_property_read_u32(&pdev->dev, "inactive-delay-ms",

				 &gpio_poweroff->inactive_delay_ms);

	device_property_read_u32(&pdev->dev, "timeout-ms", &gpio_poweroff->timeout_ms);

	device_property_read_u32(&pdev->dev, "priority", &priority);

	if (priority > 255) {

		dev_err(&pdev->dev, "Invalid priority property: %u\n", priority);

		return -EINVAL;

	}



	gpio_poweroff->reset_gpio = devm_gpiod_get(&pdev->dev, NULL, flags);

	if (IS_ERR(gpio_poweroff->reset_gpio))

		return PTR_ERR(gpio_poweroff->reset_gpio);



	ret = devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_POWER_OFF,

					    SYS_OFF_PRIO_DEFAULT, gpio_poweroff_do_poweroff,

					    gpio_poweroff);

					    priority, gpio_poweroff_do_poweroff, gpio_poweroff);

	if (ret)

		return dev_err_probe(&pdev->dev, ret, "Cannot register poweroff handler\n");