linux-kernel - Re: [PATCH 1/3] sdhci: Implement CAP_CLOCK_BASE

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Message-ID: <4B7EECB2.9090406@csr.com>
Date:	Fri, 19 Feb 2010 19:55:30 +0000
From:	David Vrabel <david.vrabel@....com>
To:	Anton Vorontsov <avorontsov@...mvista.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Richard Röjfors 
	<richard.rojfors.ext@...ean-labs.com>,
	Pierre Ossman <pierre@...man.eu>, Ben Dooks <ben@...tec.co.uk>,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] sdhci: Implement CAP_CLOCK_BASE_BROKEN quirk

Anton Vorontsov wrote:
> Some hosts (e.g. as found in CNS3xxx SOCs) report wrong value in
> CLOCK_BASE capability field, and currently there is no way to
> force the SDHCI core to use the platform-provided base clock value.

I don't think this needs a new quirk. Change the sdhci driver to check
if the platform provides a value before reading the standard register.

David
-- 
David Vrabel, Senior Software Engineer, Drivers
CSR, Churchill House, Cambridge Business Park,  Tel: +44 (0)1223 692562
Cowley Road, Cambridge, CB4 0WZ                 http://www.csr.com/


Member of the CSR plc group of companies. CSR plc registered in England and Wales, registered number 4187346, registered office Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, United Kingdom
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