Re: [PATCH] pinctrl: intel: Configure GPIO chip IRQ as wakeup interrupts
From: Andy Shevchenko
Date: Sun Oct 09 2016 - 13:17:44 EST
On Sun, Oct 9, 2016 at 5:59 PM, Mika Westerberg
> On Fri, Oct 07, 2016 at 10:40:42PM +0300, Andy Shevchenko wrote:
>> On Fri, Oct 7, 2016 at 9:17 PM, Bacchewar, Nilesh
>> <nilesh.bacchewar@xxxxxxxxx> wrote:
>> > Here, Its marking GPIO controller IRQ line as wake capable not GPIO lines.
>> AFAIU this is called per (GPIO) pin which is IRQ enabled.
>> Imagine a case when you have more than one such pin.
>> 1. Set IRQ wake for pin 1
>> 2. Set IRQ wake for pin 2 (assume that is pin under the question)
>> 3. Unset IRQ wake for pin 1 (for some reason)
>> 4. Global pinctrl IRQ wake is unset. Resulting same issue as before.
>> What did I miss above?
> enable/disable_irq_wake() include reference count.
Good to know. Thanks!
With Best Regards,