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Date:	Thu, 8 Jan 2015 20:25:02 +0100
From:	Linus Walleij <>
To:	Doug Anderson <>
Cc:	Heiko Stuebner <>,
	Alexandru Stan <>,
	"open list:ARM/Rockchip SoC..." <>,
	"" <>,
	"" <>
Subject: Re: [PATCH] pinctrl: rockchip: Avoid losing interrupts when
 supporting both edges

On Mon, Dec 22, 2014 at 7:47 PM, Doug Anderson <> wrote:

> 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 <>

Patch applied for fixes.

Linus Walleij
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