linux-kernel - Re: [PATCH] MMC: Make the configuration memory resource optional

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Message-ID: <Pine.LNX.4.64.0907171626330.4731@axis700.grange>
Date:	Fri, 17 Jul 2009 16:34:00 +0200 (CEST)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Magnus Damm <magnus.damm@...il.com>
cc:	Ian Molton <ian@...menth.co.uk>, linux-kernel@...r.kernel.org,
	Pierre Ossman <drzeus@...eus.cx>,
	Magnus Damm <damm@...nsource.se>
Subject: Re: [PATCH] MMC: Make the configuration memory resource optional

(forgot the "[PATCH]" marker on submission, re-added now)

On Fri, 17 Jul 2009, Magnus Damm wrote:

> On Fri, Jul 17, 2009 at 8:10 PM, Guennadi
> Liakhovetski<g.liakhovetski@....de> wrote:
> > Add support for tmio_mmc hardware configurations, that lack the cnf io
> > area, like SuperH SoCs. With this patch such hardware can pass a single
> > ctl io area with the platform data.
> 
> Right, this need looks familiar. =)

Your Acked-by would be appreciated:-)

> Have you tested this on any specific platform?

Yep, on migor with the sh7722 CPU.

> > Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@....de>
> > CC: Magnus Damm <damm@...nsource.se>
> > ---
> > Pierre, I know you wanted to step down as a MMC maintainer (thanks for
> > your great work btw!), but since we don't have a new one yet, I'm CC-ing
> > you.
> >
> > A version of this patch has previously been submitted by Magnus Damm
> > (CCed), but it hasn't been accepted back at 2.6.29 times (about 4 months
> > ago). Now this driver extension has become much simpler, so, I think,
> > there should be no problem accepting this patch now.
> 
> Yes, this patch looks a bit simpler than what I posted earlier. Nice work.
> 
> I remember posting a series of patches for the tmio_mmc driver, but
> only the fixes were accepted at that point. Is this patch all that is
> needed to get tmio_mmc working on your platform, or are you planning
> on posting some other patches as well?

Yes, a patch, modifying drivers/mmc/host/Kconfig and migor platform code 
will be submitted later, once this patch is accepted. In fact, maybe it 
would have been better to add SUPERH to tmio_mmc's entry in Kconfig with 
this patch, or, if sh maintainer agrees, we can pull the second patch over 
MMC tree (if / when there is one) too, to make sure the dependency is 
satisfied.

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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