Re: [PATCH 4/6] spi: spi-mem: reject partial cycle transfers in 8D-8D-8D mode

[Mark Brown]

On Fri, May 07, 2021 at 12:48:27AM +0530, Pratyush Yadav wrote:
> In 8D-8D-8D mode two bytes are transferred per cycle. So an odd number
> of bytes cannot be transferred because it would leave a residual half
> cycle at the end. Consider such a transfer invalid and reject it.
> 
> Signed-off-by: Pratyush Yadav <p.yadav@xxxxxx>
> 
> ---
> This patch should go through the SPI tree but I have included it in this
> series because if it goes in before patches 1-3, Micron MT35XU and
> Cypress S28HS flashes will stop working correctly.

It seems like this should probably even go in as a fix even if nothing
is broken with mainline right now, it's the sort of thing some out of
tree patch could easily trigger.  Unless anyone objects I'll do that.

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