Re: [PATCH v5] RFT: mmc: sdhci: Implement an SDHCI-specific bounce buffer

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On Mon, Jan 15, 2018 at 7:07 AM, Benjamin Beckmeyer
<beckmeyer.b@xxxxxxxxx> wrote:

> Good morning,
>
>> - Requesting a test of this on i.MX. (Sorry Benjamin.)
>
> No worries. I did another test with your v5 patch, but it doesn't work.

Wow that is weird.

So v3 works.

And it's not the code that bails out if we have nr_segs == 1
because that code path is not taken.

It is the 64K instead of 512K buffer that makes this happen,
then.

I guess I just respin v3 with the change that we fall back to
1 segment if we can's allocate coherent memory for the
bounce buffer.

Yours,
Linus Walleij



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