Re: [PATCH v13 00/12] power: add power sequence library

Peter Chen
2017-02-15T01:38:32Z

On Tue, Feb 14, 2017 at 12:21:48PM +0200, Roger Quadros wrote:
> Peter,
>
> On 11/02/17 03:27, Peter Chen wrote:
> > Hi all,
> >
> > This is a follow-up for my last power sequence framework patch set [1].
> > According to Rob Herring and Ulf Hansson's comments[2]. The kinds of
> > power sequence instances will be added at postcore_initcall, the match
> > criteria is compatible string first, if the compatible string is not
> > matched between dts and library, it will try to use generic power sequence.
> >
> > The host driver just needs to call of_pwrseq_on/of_pwrseq_off
> > if only one power sequence instance is needed, for more power sequences
> > are used, using of_pwrseq_on_list/of_pwrseq_off_list instead (eg, USB hub driver).
> >
> > In future, if there are special power sequence requirements, the special
> > power sequence library can be created.
> >
> > This patch set is tested on i.mx6 sabresx evk using a dts change, I use
> > two hot-plug devices to simulate this use case, the related binding
> > change is updated at patch [1/6], The udoo board changes were tested
> > using my last power sequence patch set.[3]
> >
> > Except for hard-wired MMC and USB devices, I find the USB ULPI PHY also
> > need to power on itself before it can be found by ULPI bus.
>
> Can patches 3-7 can be sent independently of the power related patches?
>

Yes, I had planned to submit patches 3-7 for v4.11-rc1 today first, but it
seems you still have comments for patch 6, let's wait a conclusion first.

--

Best Regards,
Peter Chen