Re: remove block layer bounce buffering for MMC

From: Ulf Hansson
Date: Mon Jan 14 2019 - 05:26:51 EST


+Linus Walleij (recently made a cleanup of the mmc bounce buffering code).

On Mon, 14 Jan 2019 at 10:58, Christoph Hellwig <hch@xxxxxx> wrote:
>
> Hi everyone,
>
> this series converts the remaining MMC host drivers to properly kmap the
> scatterlist entries it does PIO operations on, and then goes on to
> remove the usage of block layer bounce buffering (which I plan to remove
> eventually) from the MMC layer.
>
> As a bonus I've converted various drivers to the proper scatterlist
> helpers so that at least in theory they are ready for chained
> scatterlists.
>
> All the changes are compile tested only as I don't have any of the
> hardware, so a careful review would be appreciated.

Thanks for posting this. I will have a look as soon as I can, but
first needs to catch up with things since the holidays.

Kind regards
Uffe