linux-kernel - Re: [PATCH] [OLPC] sdhci: add quirk for the Marvell CaFe's interrupt timeout

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Date:	Mon, 23 Jun 2008 21:40:27 -0400
From:	Andres Salomon <dilinger@...ued.net>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	drzeus-sdhci@...eus.cx, sdhci-devel@...t.drzeus.cx,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [OLPC] sdhci: add quirk for the Marvell CaFe's
 interrupt timeout

On Mon, 23 Jun 2008 17:04:49 -0700
Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Mon, 23 Jun 2008 10:13:52 -0400
> Andres Salomon <dilinger@...ued.net> wrote:
> 
> > 
> > The CaFe chip has a hardware bug that ends up with us getting a
> > timeout value that's too small, causing the following sorts of
> > problems:
> > 
> > [   60.525138] mmcblk0: error -110 transferring data
> > [   60.531477] end_request: I/O error, dev mmcblk0, sector 1484353
> > [   60.533371] Buffer I/O error on device mmcblk0p2, logical block
> > 181632 [   60.533371] lost page write due to I/O error on mmcblk0p2
> > 
[...]
> 
> This is needed in 2.6.26, I assume?
> 


Yes, please.


> If so, I can merge it unless Pierre has objections?
> 
> And it will cause conflicts with overlapping changes in linux-next.
> 
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