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Date:	Sat, 27 Dec 2014 19:29:23 +0100
From:	Heiko Stübner <>
To:	Doug Anderson <>
Cc:	Linus Walleij <>,
	Alexandru Stan <>,,,,
Subject: Re: [PATCH] pinctrl: rockchip: Avoid losing interrupts when supporting both edges

Am Montag, 22. Dezember 2014, 10:47:29 schrieb Doug Anderson:
> I was seeing cases where I was losing interrupts when inserting and
> removing SD cards.  Sometimes the card would get "stuck" in the
> inserted state.
> I believe that the problem was related to the code to handle the case
> where we needed both rising and falling edges.  This code would
> disable the interrupt as the polarity was switched.  If an interrupt
> came at the wrong time it could be lost.
> We'll match what the gpio-dwapb.c driver does upstream and change the
> interrupt polarity without disabling things.
> Signed-off-by: Doug Anderson <>

Reviewed-by: Heiko Stuebner <>
on a rk3188 board with the edge triggered power-button
Tested-by: Heiko Stuebner <>

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