linux-kernel - Re: [PATCH 0/3] mmc: omap_hsmmc: make more use of mmc library functionality

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Date:	Thu, 20 Nov 2014 08:44:31 +1100
From:	NeilBrown <neilb@...e.de>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Chris Ball <chris@...ntf.net>, Balaji T K <balajitk@...com>,
	linux-omap <linux-omap@...r.kernel.org>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	GTA04 owners <gta04-owner@...delico.com>,
	Venkatraman S <svenkatr@...com>, Felipe Balbi <balbi@...com>
Subject: Re: [PATCH 0/3] mmc: omap_hsmmc: make more use of mmc library
 functionality

On Wed, 19 Nov 2014 11:14:24 +0100 Ulf Hansson <ulf.hansson@...aro.org> wrote:

> On 8 November 2014 00:52, NeilBrown <neilb@...e.de> wrote:
> > omap_hsmmc currently duplicates some work that can be done for
> > it by common code, and consequently does not benefit from extra
> > functionality in that common code.
> >
> > In particular, mmc_of_parse and the slot-gpio library are not used.
> >
> > This set of patches allows omap_hsmmc to use that common
> > functionality, and benefit from any extra devicetree parsing
> > that it performs.
> >
> > The one awkward part of this change is that omap_hsmmc has an
> > interrupt handler for 'card detect' which does more than the
> > common code.
> > I see three options:
> >  1 - move that functionality into common code
> >  2 - discard that functionality
> >  3 - allow the common code to be configured to use a device-specific
> >      card detect interrupt.
> >
> > This series implements '3'.  I suspect a mix of '1' and '2' would
> > be a better choice but I know no of the history or justification
> > for those differences.
> >
> > My preference would be for this series to be applied (if there are
> > no other issues) and if there are opinions about effecting '1' or '2',
> > they can be done with subsequent patches.
> >
> > Thanks,
> > NeilBrown
> >
> 
> I like the looks of this patchset, but it needs a rebase.

Thanks.  What should I rebase against?  Is 3.18-rc sufficient or is there
some other tree I should work against?

Thanks,
NeilBrown

> 
> Kind regards
> Uffe
> 
> >
> > ---
> >
> > NeilBrown (3):
> >       mmc: omap_hsmmc: remove prepare/complete system suspend support.
> >       mmc: omap_hsmmc: use slot-gpio library for gpio support.
> >       mmc: omap_hsmmc: use mmc_of_parse to parse common mmc configuration.
> >
> >
> >  drivers/mmc/core/slot-gpio.c           |   21 ++++
> >  drivers/mmc/host/omap_hsmmc.c          |  158 +++++---------------------------
> >  include/linux/mmc/slot-gpio.h          |    2
> >  include/linux/platform_data/mmc-omap.h |    4 -
> >  4 files changed, 47 insertions(+), 138 deletions(-)
> >
> > --
> > Signature
> >
> --
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