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| author | Florian Fainelli <f.fainelli@gmail.com> | 2023-04-02 16:54:14 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2023-04-12 01:20:20 +0300 |
| commit | b645fc696bec7653f3396e933015dd8728bbb10f (patch) | |
| tree | 437a1a9a54d02246530b4707a46219e5ce76d556 /Documentation/driver-api | |
| parent | 7332f9e45d2e13fa93acd16e2e3f122a765ff965 (diff) | |
| download | linux-b645fc696bec7653f3396e933015dd8728bbb10f.tar.xz | |
Documentation: firmware: Clarify firmware path usage
Newline characters will be taken into account for the firmware search
path parameter, warn users about that and provide an example using 'echo
-n' such that it clarifies the typical use of that parameter.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230402135423.3235-1-f.fainelli@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/firmware/fw_search_path.rst | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Documentation/driver-api/firmware/fw_search_path.rst b/Documentation/driver-api/firmware/fw_search_path.rst index a360f1009fa3..d7cb1e8f0076 100644 --- a/Documentation/driver-api/firmware/fw_search_path.rst +++ b/Documentation/driver-api/firmware/fw_search_path.rst @@ -22,5 +22,10 @@ can use the file: * /sys/module/firmware_class/parameters/path -You would echo into it your custom path and firmware requested will be -searched for there first. +You would echo into it your custom path and firmware requested will be searched +for there first. Be aware that newline characters will be taken into account +and may not produce the intended effects. For instance you might want to use: + +echo -n /path/to/script > /sys/module/firmware_class/parameters/path + +to ensure that your script is being used. |