Re: SPI not working on 5.10 and 5.11, bisected to 766c6b63aa04 ("spi: fix client driver breakages when using GPIO descriptors")

Le 14/01/2021 à 14:22, Mark Brown a écrit :

For GPIO chipselects you should really fix the driver to just hand the
GPIO off to the core rather than trying to implement this itself, that
will avoid driver specific differences like this.

IIUC, it is not trivial as it requires implementing transfer_one() instead of the existing 
transfer_one_message() in the driver. Am I right ?

What's the difference/benefit of transfer_one() compared to the existing transfer_one_message() ?