linux-kernel - Re: [PATCH] tmio_mmc: keep card-detect interrupts enabled

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Date:	Tue, 16 Feb 2010 23:44:38 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
	Ian Molton <ian@...menth.co.uk>,
	Magnus Damm <damm@...nsource.se>,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>
Subject: Re: [PATCH] tmio_mmc: keep card-detect interrupts enabled

On Tue, 16 Feb 2010, Andrew Morton wrote:

> On Tue, 16 Feb 2010 10:34:55 +0100 (CET)
> Guennadi Liakhovetski <g.liakhovetski@....de> wrote:
> 
> > On SuperH platforms the SDHI controller does not produce any command IRQs after
> > a completed IO. This leads to card-detect interrupts staying disabled. Do not
> > disable card-detect interrupts on DATA IRQs.
> > 
> 
> Why is the current code disabling card-detect interrupts on DATA IRQs? 
> Was that just a bug?
> 
> What effect will this change have for current users of this driver?

Unfortunately, I cannot answer these questions, best I can do is refer you 
to this reply from Ian:

http://article.gmane.org/gmane.linux.drivers.video-input-infrastructure/11995

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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