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

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Date:	Wed, 19 Nov 2014 11:14:24 +0100
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	NeilBrown <neilb@...e.de>
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 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.

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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