linux-kernel - Re: [PATCH] pinctrl: at91: choose appropriate handler for level interrupts

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Message-ID: <CACRpkdaGdgLeYrahv0qAJJjL3S2aiZeVwRVUtNcDqQgL3_mQkA@mail.gmail.com>
Date:	Mon, 29 Jul 2013 17:42:15 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Boris BREZILLON <b.brezillon@...rkiz.com>
Cc:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: at91: choose appropriate handler for level interrupts

On Sat, Jul 20, 2013 at 4:51 PM, Boris BREZILLON
<b.brezillon@...rkiz.com> wrote:

> The current implementation handle both edge and level interrupts with the
> 'handle_simple_irq' handler.
>
> Level interrupts are active as long as the pin stays at the configured
> level (low or high). In this case we have to use 'handle_level_irq' which
> mask the interrupt until the handle has treated it.
>
> Signed-off-by: Boris BREZILLON <b.brezillon@...rkiz.com>

Nicolas/Jean-Christophe: any opinion on this patch?

I am tempted to just apply it and see if you react to it :-)

Yours,
Linus Walleij
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