[PATCH 1/4] mmci: use StartBitErr to detect bad connections

Russell King - ARM Linux linux at arm.linux.org.uk
Wed Jul 6 15:45:41 EDT 2011


On Tue, Jul 05, 2011 at 12:16:11PM +0100, Russell King - ARM Linux wrote:
> On Tue, Jun 28, 2011 at 09:57:25AM +0200, Linus Walleij wrote:
> > Stresstesting insert/remove of SD-cards can trigger
> > a StartBitErr. This made the driver to hang in forever
> > waiting for a non ocurring data timeout.
> > 
> > This bit and interrupt is documented in the original
> > PL180 TRM, just never implemented until now.
> > 
> > Signed-off-by: Ulf Hansson <ulf.hansson at stericsson.com>
> > Reviewed-by: Linus Walleij <linus.walleij at stericsson.com>
> > Reviewed-by: Jonas Aberg <jonas.aberg at stericsson.com>
> > Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> 
> Acked-by: Russell King <rmk+kernel at arm.linux.org.uk>

Ok, I've taken this into my fixes branch.



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