Subject: [PATCH] pinctrl: at91: choose appropriate handler for level interrupts

From: [email-masked] (boris brezillon)
Date: Mon, 29 Jul 2013 17:52:16 +0200

On 29/07/2013 17:42, Linus Walleij wrote:
> On Sat, Jul 20, 2013 at 4:51 PM, Boris BREZILLON
> <[email-masked]> 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 <[email-masked]>
> Nicolas/Jean-Christophe: any opinion on this patch?
>
> I am tempted to just apply it and see if you react to it :-)
Hello,

Just for clarification, without this patch the kernel hangs if you request a
threaded irq on level state (low or high).

This was tested on sama5ek board.

Best Regards,

Boris
> Yours,
> Linus Walleij