linux-kernel - Re: SDHCI: timeout during data transfer

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Message-ID: <20081026123541.18e31c4e@mjolnir.drzeus.cx>
Date:	Sun, 26 Oct 2008 12:35:41 +0100
From:	Pierre Ossman <drzeus-mmc@...eus.cx>
To:	"Luca Tettamanti" <kronos.it@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: SDHCI: timeout during data transfer

On Mon, 20 Oct 2008 14:20:13 +0200
"Luca Tettamanti" <kronos.it@...il.com> wrote:

> On Sat, Oct 18, 2008 at 10:46 PM, Pierre Ossman <drzeus-mmc@...eus.cx> wrote:
> > Could you try modifying line 283 of drivers/mmc/core/core.c where it
> > says "limit_us = 250000;" to 300000 instead?
> 
> 300ms seems to be enough.
> 

It might be. Your timeout will be in the neigbourhood of 500ms because
of the crappy resolution of the sdhci hardware.

Still, I'll queue up a patch for this...

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  rdesktop, core developer          http://www.rdesktop.org

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