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Nícolas F. R. A. Prado
365ba0c7a7
Add a new flag, '--driver-match', to the dt-extract-compatibles script that causes it to only print out compatibles that are expected to match a driver. This output can then be used by tests to detect device probe failures. In order to filter the compatibles down to only ones that will match to a driver, the following is considered: - A compatible needs to show up in a driver's of_match_table for it to be matched to a driver - Compatibles that are used in both of_match_table and OF_DECLARE type macros can't be expected to match to a driver and so are ignored. One exception is CLK_OF_DECLARE_DRIVER, since it indicates that a driver will also later probe, so compatibles in this macro are not ignored. Signed-off-by: Nícolas F. R. A. Prado <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Rob Herring <[email protected]>