Messages in this thread | | | Subject | Re: SPI not working on 5.10 and 5.11, bisected to 766c6b63aa04 ("spi: fix client driver breakages when using GPIO descriptors") | From | Christophe Leroy <> | Date | Thu, 14 Jan 2021 14:42:26 +0100 |
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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() ?
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