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Bug#508599: linux-image-2.6.26-1-686: Increase power_up delay to fix TI readers



On Fri, 2009-08-21 at 19:23 +0200, Moritz Muehlenhoff wrote:
> On Sat, Dec 13, 2008 at 01:05:12PM +0100, Moritz Muehlenhoff wrote:
> > On Fri, Dec 12, 2008 at 11:35:06PM +0100, Geert Stappers wrote:
> > > Package: linux-image-2.6.26-1-686
> > > Version: 2.6.26-11
> > > Severity: normal
> > > Tags: patch
> > > 
> > > Hello Kernel maintainers,
> > > 
> > > To get a SD cardreader working I needed to do
> > > 
> > > diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> > > index 01ced4c..11f050c 100644
> > > --- a/drivers/mmc/core/core.c
> > > +++ b/drivers/mmc/core/core.c
> > > @@ -492,7 +492,7 @@ static void mmc_power_up(struct mmc_host *host)
> > >  	 * This delay must be at least 74 clock sizes, or 1 ms, or the
> > >  	 * time required to reach a stable voltage.
> > >  	 */
> > > -	mmc_delay(2);
> > > +	mmc_delay(10);
> > >  }
> > >  
> > >  static void mmc_power_off(struct mmc_host *host)
> > 
> > Please send this patch to the kernel subsystem maintainer 
> > (Pierre Ossman <drzeus-mmc@drzeus.cx>) for review/merge.
> 
> Pierre Ossman no longer maintains the MMC subsystem, please contact
> linux-mmc@vger.kernel.org instead.

A similar patch was applied in 2.6.30 so I'm applying that to stable.

Ben.

-- 
Ben Hutchings
To err is human; to really foul things up requires a computer.

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