Re: [PATCH v3] mmc: mxs-mmc: add mmc host driver for i.MX23/28

Shawn Guo
2011-02-22T08:53:35Z

Hi Wolfram,

On Mon, Feb 21, 2011 at 06:40:16PM +0100, Wolfram Sang wrote:
> Shawn,
>
> On Mon, Feb 21, 2011 at 06:35:28PM +0800, Shawn Guo wrote:
> > This adds the mmc host driver for Freescale MXS-based SoC i.MX23/28.
> > The driver calls into mxs-dma via generic dmaengine api for both pio
> > and data transfer.
> >
> > Thanks Chris Ball for the indentation patch.
> >
> > Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
> > Reviewed-by: Arnd Bergmann <arnd@arndb.de>
>
> What throughput rates do you get on a mx28-regulated slot serving a card
> at 50Mhz? This is poor here (55kb/s) while it is OK at 25Mhz. Could be a

To make sure we are on the same test, can you share the test case
you ran to get the result? So that I can run it here for the result
on my board.

> board issue though (or we can fix it later), rest works fine, thus:
>
> Tested-by: Wolfram Sang <w.sang@pengutronix.de>
>

--
Regards,
Shawn