Re: [PATCH 4/6] pinctrl: single: Add support for wake-up interrupts

[Balaji T K <balajitk@ti.com>]

On Friday 11 October 2013 09:31 PM, Tony Lindgren wrote:
> * Linus Walleij <linus.walleij@linaro.org> [131011 09:05]:
>> On Fri, Oct 11, 2013 at 5:43 PM, Tony Lindgren <tony@atomide.com> wrote:
>>> * Linus Walleij <linus.walleij@linaro.org> [131011 03:40]:
>>>> On Fri, Oct 11, 2013 at 10:56 AM, Roger Quadros <rogerq@ti.com> wrote:
>>>>
>>>>> The register handling is fine. But how do we deal with resource handling?
>>>>> e.g. the block that has the deep-core registers might need to be clocked or powered
>>>>> before the registers can be accessed.
>>>>
>>>> Yeah I saw this in the code there.
>>>>
>>>> In this case it seems syscon-type regmap access can be used to
>>>> read/write the registers, so maybe the pin controller also need to
>>>>   get a handle on some clock etc?
>>>
>>> Uhh, let's not go there.. The resource availability needs to be
>>> handled transparently in regmap code and the reg provider hardware
>>> module driver using runtime PM.
>>
>> OK we can surely discuss this with broonie, it makes sense to
>> have regmap be able to do its deed transparently.
>
> Yes I think so too. Sounds like we need callbacks for the runtime PM
> checks to the "register provider" driver. Hwo knows, maybe those
> features are there already :)
>

Hi Tony,

Any conclusion on using regmap for omap control module non-mux registers ?

Thanks and Regards,
Balaji T K