From 36991ce6ffece72d961a474f994ed5a05efaaca8 Mon Sep 17 00:00:00 2001 From: Stefan Eichenberger Date: Wed, 20 Sep 2023 18:07:19 +0200 Subject: [PATCH 4/4] 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. Upstream-Status: Submitted [https://lore.kernel.org/all/20231006130428.11259-1-francesco@dolcini.it/] Signed-off-by: Stefan Eichenberger --- drivers/power/reset/gpio-poweroff.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c index d2548010369b0..46d94f660f87d 100644 --- a/drivers/power/reset/gpio-poweroff.c +++ b/drivers/power/reset/gpio-poweroff.c @@ -53,6 +53,7 @@ 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); @@ -74,14 +75,18 @@ 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"); -- 2.39.2