Re: [PATCH] mmc: MMC 4.4 DDR support

[Adrian Hunter]

Andrew Morton wrote:
> On Mon, 23 Aug 2010 21:48:29 +0100
> Matt Fleming <matt@xxxxxxxxxxxxxxxxx> wrote:
>
> > On Sat, Aug 21, 2010 at 06:37:45PM -0400, Chris Ball wrote:
> > > Hi,
> > >
> > >    > Hm is there some problem with this patch or has the processing of
> > >    > it simply stalled? When I read the thread I cannot see Hanumaths
> > >    > answers on the list but it looks mainly like the patch is OK and
> > >    > there is some chit-chat.
> > >    > 
> > >    > Can it be picked up? Everyone is going to need DDR MMC for their
> > >    > eMMCs soon-ish.
> > >
> > > I'd like to dedicate more time to mmc/.  Do you think it'd be useful
> > > for me to catch all the patches sent to linux-mmc@ into a public Git
> > > tree, and periodically report on what went upstream via akpm and
> > > what's still waiting?
> > It's possible Andrew has a reason that hasn't been picked up yet.
>
> Kyungmin Park's questions didn't seem adequately answered and the
> discussion kind of died.
>
> I updated the patch and merged it, but I'd like the outstanding
> question(s) resolved.  ie: why do we add MMC_DDR_MODE, set it in
> brq.data.flags and then never use it?

I am not able to test DDR mode but it look to me that the patch
should be changed.  Here is a fix: