Bug#508599: linux-image-2.6.26-1-686: Increase power_up delay to fix TI readers
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.
Cheers,
Moritz
Reply to: