Re: [PATCH] mmc: sdio: Fix to support any block size optimally

[Chris Ball <cjb@laptop.org>]

Hi Stefan,

On Wed, Oct 26 2011, Stefan Nilsson XK wrote:
> This patch allows any block size to be set on the SDIO link,
> and still have an arbitrary sized packet (adjusted in size by
> using sdio_align_size) transferred in an optimal way
> (preferably one transfer).
>
> Previously if the block size was larger than the default of
> 512 bytes and the transfer size was exactly one block size
> (possibly thanks to using sdio_align_size to get an optimal
> transfer size), it was sent as a number of byte transfers instead
> of one block transfer. Also if the number of blocks was
> (max_blocks * N) + 1, the tranfer would be conducted with a number
> of blocks and finished off with a number of byte transfers.
>
> When doing this change it was also possible to break out the quirk
> for broken byte mode in a much cleaner way, and collect the logic of
> when to do byte or block transfer in one function instead of two.
>
> Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
> Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>

Pushed to mmc-next for 3.3, thanks.

- Chris.
-- 
Chris Ball   <cjb@laptop.org>   <http://printf.net/>
One Laptop Per Child