Re: [PATCH] PM: suspend_device_irqs(): don't disable wakeup IRQs

["Arve Hjønnevåg" <arve@android.com>]

2009/5/6 Kim Kyuwon <chammoru@gmail.com>:
> 2009/5/7 Arve Hjønnevåg <arve@android.com>:
>> On Wed, May 6, 2009 at 5:16 PM, Kevin Hilman
>> <khilman@deeprootsystems.com> wrote:
>>> "Rafael J. Wysocki" <rjw@sisk.pl> writes:
>>>
>>>> On Wednesday 06 May 2009, Kevin Hilman wrote:
>>>>> Kevin Hilman <khilman@deeprootsystems.com> writes:
>>
>>> There is at least one problem with that which is why Kyuwon Kim added
>>> the ->disable hook to OMAP's irq_chip.  The problem is with drivers
>>> that call disable_irq() in their suspend hook, usually done to prevent
>>> the device from waking the system since on OMAP, any IRQ can be
>>> configured to wake the system.
>>>
>>
>> This does not sound correct. disable_irq_wake should be used for this.
>> A driver may need to mask its interrupt before suspending but this
>> should not also disable it as a wakeup source.
>
> I wish I could use disable_irq_wake(), but it doesn't work in OMAP.

This does not sound like a hardware problem.

-- 
Arve Hjønnevåg