1fbc6ec2f3
Add the missing ABI documentation for the already available debugfs entries: console_log, panicinfo and pdinfo. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
What: /sys/kernel/debug/<cros-ec-device>/console_log
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Date: September 2017
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KernelVersion: 4.13
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Description:
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If the EC supports the CONSOLE_READ command type, this file
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can be used to grab the EC logs. The kernel polls for the log
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and keeps its own buffer but userspace should grab this and
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write it out to some logs.
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What: /sys/kernel/debug/<cros-ec-device>/panicinfo
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Date: September 2017
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KernelVersion: 4.13
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Description:
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This file dumps the EC panic information from the previous
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reboot. This file will only exist if the PANIC_INFO command
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type is supported by the EC.
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What: /sys/kernel/debug/<cros-ec-device>/pdinfo
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Date: June 2018
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KernelVersion: 4.17
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Description:
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This file provides the port role, muxes and power debug
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information for all the USB PD/type-C ports available. If
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the are no ports available, this file will be just an empty
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file.
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What: /sys/kernel/debug/<cros-ec-device>/uptime
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Date: June 2019
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KernelVersion: 5.3
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Description:
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A u32 providing the time since EC booted in ms. This is
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is used for synchronizing the AP host time with the EC
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log. An error is returned if the command is not supported
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by the EC or there is a communication problem.
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