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Commit 87050874 authored by Thiébaud Weksteen's avatar Thiébaud Weksteen
Browse files

Document firmware_class.path 

This kernel command-line parameter may be used to alter the loading of
firmware.

Bug: 222166126
Test: n/a
Change-Id: I6dc1ae92694cf08b11ab6c3c41aa3d62c992a72a
parent 0326984c

init/README.ueventd.md

+6 −0
Original line number Diff line number Diff line
@@ -147,6 +147,12 @@ directories. If stdout cannot be read, or the program returns with any exit code 
Ueventd will additionally log all messages sent to stderr from the external program to the serial

console after the external program has exited.



If the kernel command-line argument `firmware_class.path` is set, this path

will be used first by the kernel to search for the firmware files. If found,

ueventd will not be called at all. See the

[kernel documentation](https://www.kernel.org/doc/html/v5.10/driver-api/firmware/fw_search_path.html)

for more details on this feature.



## Coldboot

--------

Ueventd must create devices in `/dev` for all devices that have already sent their uevents before