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SubjectRe: [GIT PULL] MMC fixes for v5.13-rc8
+ Neil, Robin

On Thu, 24 Jun 2021 at 20:00, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Thu, Jun 24, 2021 at 5:32 AM Ulf Hansson <ulf.hansson@linaro.org> wrote:
> >
> > Neil Armstrong (1):
> > mmc: meson-gx: use memcpy_to/fromio for dram-access-quirk
>
> Ugh. How horribly ugly.
>
> Why is that 'host->dram_access_quirk' test _inside_ the loop, rather
> than be something like
>
> if (host->dram_access_quirk)
> return sg_copy_to_buffer(data->sg, data->sg_len,
> host->bounce_buf, xfer_bytes);
>
> at the top of the function, with meson_mmc_copy_buffer() then only
> handling the mmio case?
>
> No, I don't know this code, I'm just looking at the patch and going
> "that looks really ugly".
>
> Anyway, I've pulled it, but I thought I'd voice my reaction to it..

Thanks, good point!

Robin and Neil did discuss some cleanup that could be made on top [1],
but it looks like that was targeting a different part.

In any case, Neil, would you mind sending a cleanup according to the
comment from Linus?

Kind regards
Uffe

[1]
https://www.spinics.net/lists/arm-kernel/msg901045.html

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