Re: [RFC/RFT PATCH] mmc: renesas_sdhi: add delay between tuning cmds

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On Wed, May 31, 2023 at 12:45 PM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>
> > I am testing this on a 5.10 kernel based on the Renesas RZ linux
> > kernel branch.  The good news is that the card doesn't hang like it
> > used to on the older 4.19 kernel, but it still does not enumerate to
> > SDR104 speeds.
>
> U-Boot has a 1ms delay. Could you increase the delay to 1ms, please?

Sorry for the delay, but I increased this to  usleep_range(1000, 2500)
and it still hangs.

I don't know if the issue is dependent on the variant.  For what it's
worth, I am testing an RZ/G2M, but I can do the same thing on an
RZ/G2N or RZ/G2H if you want.

adam
>




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