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

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Date:	Thu, 01 Aug 2013 13:07:13 +0200
From:	boris brezillon <b.brezillon@...rkiz.com>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] pinctrl: at91: choose appropriate handler for level interrupts

On 01/08/2013 13:04, Alexandre Belloni wrote:
> Hi,
>
> On 20/07/2013 16:51, Boris BREZILLON 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>
> This solves the issue on my side.
>
> Tested-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
>
>
Thanks
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