linux-kernel - Re: [PATCH v2] davinci: MMC: Pass number of SG segments as platform data

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Message-Id: <20100315144037.bf47d74f.akpm@linux-foundation.org>
Date:	Mon, 15 Mar 2010 14:40:37 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Sudhakar Rajashekhara <sudhakar.raj@...com>
Cc:	linux-kernel@...r.kernel.org,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-mmc@...r.kernel.org,
	Kevin Hilman <khilman@...prootsystems.com>
Subject: Re: [PATCH v2] davinci: MMC: Pass number of SG segments as platform
 data

On Fri, 12 Mar 2010 18:04:09 +0530
Sudhakar Rajashekhara <sudhakar.raj@...com> wrote:

> On some platforms like DM355, the number of EDMA parameter
> slots available for EDMA_SLOT_ANY usage are few. In such cases,
> if MMC/SD uses 16 slots for each instance of MMC controller,
> then the number of slots available for other modules will be
> very few.
> 
> By passing the number of EDMA slots to be used in MMC driver
> from platform data, EDMA slots available for other purposes
> can be controlled.

It's unclear what the runtime effects of this change are.  I assumed
(without justification) that they're minor and I scheduled the patch for
2.6.35.

If that was the wrong decision then blame the changelog ;)
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