Re: spi: imx: Increase imx51 ecspi burst length fails on imx6dl and imx8mm

From: Francesco Dolcini
Date: Tue Nov 21 2023 - 04:17:10 EST


On Tue, Nov 21, 2023 at 10:06:51AM +0100, Thorsten Leemhuis wrote:
> On 20.11.23 18:48, Francesco Dolcini wrote:
> > On Mon, Nov 20, 2023 at 04:30:15PM +0100, Stefan Moring wrote:
> >> Can you verify the values used for the transfer,  spi_imx->count and spi_imx->
> >> bits_per_word inside the mx51_ecpsi_prepare_transfer() method? Those are the
> >> only two things that changed in the commits. Maybe compare them to the working
> >> version?
> >
> > I would suggest to bisect the issue to the actual commit that
> > introduced the regression, I do not think this was done yet.
>
> I think it was. To quote
Whoops, you are right.

> spi: Increase imx51 ecspi burst length based on transfer length
> 15a6af94a2779d5dfb42ee4bfac858ea8e964a3f
>
> spi: imx: Take in account bits per word instead of assuming 8-bits
> 5f66db08cbd3ca471c66bacb0282902c79db9274

Do we know which one of those two commits introduces this regression?

Francesco