MIRRORS/linux-imx
1
0
Fork 0
mirror of https://github.com/nxp-imx/linux-imx.git synced 2025-09-03 10:33:11 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity
lf-6.6.y
linux-imx/Documentation/ABI/testing/sysfs-platform-power-on-reason
Kamel Bouhara d40befed9a power: reset: at91-reset: add sysfs interface to the power on reason 
Introduce a list of generic reset sources and use them to export the
power on reason through sysfs. Update the ABI documentation to describe
this new interface.

Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[Miquel Raynal: Follow-up on Kamel's work, 4 years later]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2023-07-19 23:15:21 +02:00

468 B
Raw Permalink Blame History

What: /sys/devices/platform/.../power_on_reason Date: June 2023 KernelVersion: 6.5 Contact: Kamel Bouhara kamel.bouhara@bootlin.com Description: Shows system power on reason. The following strings/reasons can be read (the list can be extended): "regular power-up", "RTC wakeup", "watchdog timeout", "software reset", "reset button action", "CPU clock failure", "crystal oscillator failure", "brown-out reset", "unknown reason".

	The file is read only.