linux-kernel - Re: [PATCH] mmc: Add MPC512x SDHC driver.

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Message-ID: <20110329104231.GB18155@pengutronix.de>
Date:	Tue, 29 Mar 2011 12:42:31 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	"vooon341@...il.com" <vooon341@...il.com>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Chris Ball <cjb@...top.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mmc: Add MPC512x SDHC driver.

Hi Vladimir,

> MPC512x have similar sdhc module as in MX2/MX3,
> but use different access to the registers.

There are quite some drivers abstracting the register-access
(sdhci-esdhc for example which is also used on ppc and arm). If the
state-machine is the same, this really should be done. Otherwise
maintenance will be harder. I have mx2/3-hardware here and am willing to
test the changes. If the state-machine is significantly different, a
seperate driver makes sense, of course.

Regards,

   Wolfram

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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