diff options
| author |   Stefan Eichenberger <stefan.eichenberger@toradex.com> | 2023-10-06 10:04:28 -0300 |
|---|---|---|
| committer |   Sebastian Reichel <sebastian.reichel@collabora.com> | 2023-10-13 02:22:36 +0200 |
| commit | d03d2a8cdefe86f04cfb53934a708620e7dfbfcb (patch) | |
| tree | a0a4a76c0c542223ea3e019a4c86d20bc9051695 /drivers/power/reset | |
| parent | dt-bindings: power: reset: gpio-poweroff: Add priority property (diff) | |
| download | wireguard-linux-d03d2a8cdefe86f04cfb53934a708620e7dfbfcb.tar.xz wireguard-linux-d03d2a8cdefe86f04cfb53934a708620e7dfbfcb.zip | |
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: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20231006130428.11259-5-francesco@dolcini.it
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/reset')
| -rw-r--r-- | drivers/power/reset/gpio-poweroff.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/power/reset/gpio-poweroff.c b/drivers/power/reset/gpio-poweroff.c index 0deb293eb2d6..52cfeee2cb28 100644 --- a/drivers/power/reset/gpio-poweroff.c +++ b/drivers/power/reset/gpio-poweroff.c @@ -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"); |