linux-kernel - Re: [PATCH v3] pinctrl: exynos: ack level-triggered interrupts before unmasking

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Message-ID: <CACRpkdaO=nJGhrWxc6Kyub=XsgZhEQB+Apqzy=hHv4G+y9bS8Q@mail.gmail.com>
Date:	Mon, 17 Jun 2013 18:58:47 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Kukjin Kim <kgene.kim@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Olof Johansson <olof@...om.net>,
	Simon Glass <sjg@...omium.org>,
	Luigi Semenzato <semenzato@...omium.org>,
	Ilho Lee <ilho215.lee@...sung.com>,
	Eunki Kim <eunki_kim@...sung.com>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] pinctrl: exynos: ack level-triggered interrupts before unmasking

On Mon, Jun 17, 2013 at 6:50 PM, Doug Anderson <dianders@...omium.org> wrote:

> A level-triggered interrupt should be acked after the interrupt line
> becomes inactive and before it is unmasked, or else another interrupt
> will be immediately triggered.  Acking before or after calling the
> handler is not enough.
>
> Signed-off-by: Luigi Semenzato <semenzato@...omium.org>
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> Acked-by: Tomasz Figa <t.figa@...sung.com>
> ---
> Changes in v3:
> - Rebased atop (44b6d93 pinctrl: rockchip: correctly handle arguments
>   of pinconf options)

OK patch applied (cleanly this time).

Yours,
Linus Walleij
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