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

[Linus Walleij]

On Fri, Oct 11, 2013 at 5:43 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> * Linus Walleij <linus.walleij@xxxxxxxxxx> [131011 03:40]:
>> On Fri, Oct 11, 2013 at 10:56 AM, Roger Quadros <rogerq@xxxxxx> 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.

Yours,
Linus Walleij
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/