Re: [PATCH v1 2/2] mmc: cavium: Remove redundant if-statement checkup

From: Bean Huo
Date: Fri Mar 19 2021 - 11:43:51 EST


On Fri, 2021-03-19 at 15:09 +0100, Ulf Hansson wrote:
> On Fri, 19 Mar 2021 at 13:14, Bean Huo <huobean@xxxxxxxxx> wrote:
>
> > From: Bean Huo <beanhuo@xxxxxxxxxx>
> > Currently, we have two ways to issue multiple-block read/write the
> > command to the eMMC. One is by normal IO request path fs->block-
> > >mmc.
> > Another one is that we can issue multiple-block read/write through
> > MMC ioctl interface. For the first path, mrq->stop, and mrq->stop-
> > >opcode
> > will be initialized in mmc_blk_data_prep(). However, for the second
> > IO
> > path, mrq->stop is not initialized since it is a pre-defined
> > multiple
> > blocks read/write.
>
>
> As a matter of fact this way is also supported for the regular block
>
> I/O path. To make the mmc block driver to use it, mmc host drivers
>
> need to announce that it's supported by setting MMC_CAP_CMD23.
>
>
>
> It looks like that is what your patch should be targeted towards, can
>
> you have a look at this instead?
>
>

Hi Ulf,
Thanks for your comments. I will look at that as your suggestion.
The patch [1/2] is accepted, so I will just update this patch to
the next version.

Kind regards,
Bean

>
> Kind regards
>
> Uffe