[PATCH 4/5] gpio/omap: force restore if context loss is not detectable

Jon Hunter jon-hunter at ti.com
Wed Apr 10 15:50:22 EDT 2013


On 04/10/2013 02:44 PM, Linus Walleij wrote:
> On Wed, Apr 10, 2013 at 9:41 PM, Jon Hunter <jon-hunter at ti.com> wrote:
>> On 04/10/2013 02:39 PM, Linus Walleij wrote:
>>> On Thu, Apr 4, 2013 at 10:16 PM, Jon Hunter <jon-hunter at ti.com> wrote:
>>>
>>>> When booting with device-tree the function pointer for detecting context
>>>> loss is not populated. Ideally, the pm_runtime framework should be
>>>> enhanced to allow a means for reporting context/state loss and we could
>>>> avoid populating such function pointers altogether. In the interim until
>>>> a generic non-device specific solution is in place, force a restore of
>>>> the gpio bank when enabling the gpio controller.
>>>>
>>>> Adds a new device-tree property for the OMAP GPIO controller to indicate
>>>> if the GPIO controller is located in a power-domain that never loses
>>>> power and hence will always maintain its logic state.
>>>>
>>>> Signed-off-by: Jon Hunter <jon-hunter at ti.com>
>>>
>>> In this case it'd be really helpful to get an ACK from somebody else.
>>> I have no clue whether this thing is doing what it should, and if
>>> you were the maintainer I'd apply it but now I'd like to hear from
>>> Kevin or Santosh first...
>>
>> Santosh gave the his ACK for 1-4 (see 0/5) and Kevin added his
>> reviewed-by for 1-4 (again see 0/5).
> 
> OK all in patch 0 how confusing #-)
> 
> All patches applied with Kevin's and Santosh's tags!

Thanks. Sorry for the confusion!

By the way, I am hoping you only took 1-4, per the cover-letter I was
planning to have Benoit take 5 through his DT branch as there could be
conflicts if you merge this with Benoit's branch. Again sorry if this is
even more confusing ;-)

Cheers
Jon



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