On Thu, Oct 24, 2019 at 02:54:37PM +0200, Alvaro Gamez Machado wrote: > I think then the only way this would be feasible is to check if 8 bits is an > acceptable number for the master and, if it isn't, apply the lowest > available data width. I believe this cannot break anything, as it leaves 8 > as the default unless the master can't work with that number, in which case > it really doesn't matter what client device wants because the hardware can't > provide it. No, that still leaves the slave driver thinking it's sending 8 bits when really it's sending something else - the default is just 8 bits, if the controller can't do it then the transfer can't happen and there's an error. It's not a good idea to carry on if we're likely to introduce data corruption.
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