linux-kernel - Re: [PATCH] mmc: Added quirks for Ricoh 1180:e823 lower base clock frequency

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Message-ID: <m21uxu2k96.fsf@bob.laptop.org>
Date:	Wed, 13 Jul 2011 12:55:17 -0400
From:	Chris Ball <cjb@...top.org>
To:	Manoj Iyer <manoj.iyer@...onical.com>
Cc:	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	jbarnes@...tuousgeek.org, matsumur@....ricoh.co.jp,
	linux-pci@...r.kernel.org, linux-mmc@...r.kernel.org
Subject: Re: [PATCH] mmc: Added quirks for Ricoh 1180:e823 lower base clock frequency

Hi,

On Wed, Jul 13 2011, Manoj Iyer wrote:
> Do you think that lowering the controller speed to 50Mhz in case we
> have a failure is a better idea than reducing the speed for all e823
> ricoh controllers? I can send a V2 of the patch. What do you think ?

It could be better.  Do you think you could get hold of a UHS-1 card for
testing with?  (I don't think it's worth doing if there's no appreciable
performance difference either way.)

Thanks,

- Chris.
-- 
Chris Ball   <cjb@...top.org>   <http://printf.net/>
One Laptop Per Child
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