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

Russell King - ARM Linux linux at arm.linux.org.uk
Tue Jul 5 07:16:11 EDT 2011


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>



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