From: Peter Chen <hzpeterchen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Sebastian Reichel <sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: "Rafael J. Wysocki" <rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org>,
Peter Chen <peter.chen-3arQi8VN3Tc@public.gmane.org>,
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Subject: Re: [PATCH v6 2/8] power: add power sequence library
Date: Tue, 23 Aug 2016 09:25:25 +0800 [thread overview]
Message-ID: <20160823012525.GA13986@shlinux2> (raw)
In-Reply-To: <20160822102331.bimz22w6z2v65jd7@earth>
On Mon, Aug 22, 2016 at 12:23:31PM +0200, Sebastian Reichel wrote:
> Hi Peter,
>
> On Mon, Aug 22, 2016 at 02:51:58PM +0800, Peter Chen wrote:
> > On Mon, Aug 15, 2016 at 05:13:12PM +0800, Peter Chen wrote:
> > > We have an well-known problem that the device needs to do some power
> > > sequence before it can be recognized by related host, the typical
> > > example like hard-wired mmc devices and usb devices.
> > >
> > > This power sequence is hard to be described at device tree and handled by
> > > related host driver, so we have created a common power sequence
> > > library to cover this requirement. The core code has supplied
> > > some common helpers for host driver, and individual power sequence
> > > libraries handle kinds of power sequence for devices.
> > >
> > > pwrseq_generic is intended for general purpose of power sequence, which
> > > handles gpios and clocks currently, and can cover regulator and pinctrl
> > > in future. The host driver calls pwrseq_alloc_generic to create
> > > an generic pwrseq instance.
> > >
> > > Signed-off-by: Peter Chen <peter.chen-3arQi8VN3Tc@public.gmane.org>
> > > Tested-by Joshua Clayton <stillcompiling-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> > > Reviewed-by: Matthias Kaehlcke <mka-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> > > Tested-by: Matthias Kaehlcke <mka-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> >
> > Hi Greg, Sebastian, Dmitry, and David
> >
> > I find the code under drivers/power have several subsystems.
> > Does this power sequence patch set can go git://git.infradead.org/battery-2.6.git?
> > Or can go the Greg's tree?
>
> I think this does not really fit into the power-supply tree.
> I would expect this to go through Rafael's linux-pm tree.
Ok, thanks. Rafael, would you agree with that? If you agree, I will
update MAINTAINER file.
>
> Note: I moved all the power-supply code into drivers/power/supply/
> in linux-next, among other things because of this patchset. To avoid
> merge conflicts in drivers/power/Makefile and drivers/power/Kconfig
> the tree pulling this patchset should also pull a (yet to be
> created) immutable branch containing
> https://git.kernel.org/cgit/linux/kernel/git/sre/linux-power-supply.git/commit/drivers/power?h=for-next&id=8c0984e5a75337df513047ec92a6c09d78e3e5cd
>
Yes, I found the rebase conflict with it, I will fix it at next
revision.
--
Best Regards,
Peter Chen
--
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next prev parent reply other threads:[~2016-08-23 1:25 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-15 9:13 [PATCH v6 0/8] power: add power sequence library Peter Chen
2016-08-15 9:13 ` [PATCH v6 1/8] binding-doc: power: pwrseq-generic: add binding doc for generic " Peter Chen
[not found] ` <1471252398-957-2-git-send-email-peter.chen-3arQi8VN3Tc@public.gmane.org>
2016-09-01 8:03 ` Vaibhav Hiremath
[not found] ` <6832cc55-831a-1188-4878-bbbf0b3c3be8-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-09-02 1:00 ` Peter Chen
2016-09-06 6:04 ` Vaibhav Hiremath
2016-08-15 9:13 ` [PATCH v6 2/8] power: add " Peter Chen
2016-08-22 6:51 ` Peter Chen
2016-08-22 10:23 ` Sebastian Reichel
2016-08-23 1:25 ` Peter Chen [this message]
2016-09-01 8:02 ` Vaibhav Hiremath
2016-09-02 1:29 ` Peter Chen
[not found] ` <1471252398-957-1-git-send-email-peter.chen-3arQi8VN3Tc@public.gmane.org>
2016-08-15 9:13 ` [PATCH v6 3/8] binding-doc: usb: usb-device: add optional properties for power sequence Peter Chen
2016-08-15 9:13 ` [PATCH v6 7/8] ARM: dts: imx6qdl-udoo.dtsi: fix onboard USB HUB property Peter Chen
2016-08-15 9:13 ` [PATCH v6 8/8] ARM: dts: imx6q-evi: Fix onboard hub reset line Peter Chen
2016-08-15 9:13 ` [PATCH v6 4/8] usb: core: add power sequence handling for USB devices Peter Chen
2016-08-22 6:53 ` Peter Chen
2016-08-22 16:09 ` Alan Stern
2016-08-23 3:10 ` Peter Chen
2016-08-23 15:37 ` Alan Stern
2016-09-01 8:02 ` Vaibhav Hiremath
2016-09-02 1:30 ` Peter Chen
2016-08-15 9:13 ` [PATCH v6 5/8] usb: chipidea: let chipidea core device of_node equal's glue layer device of_node Peter Chen
2016-08-15 9:13 ` [PATCH v6 6/8] ARM: dts: imx6qdl: Enable usb node children with <reg> Peter Chen
2016-08-23 10:32 ` [PATCH v6 0/8] power: add power sequence library Vaibhav Hiremath
[not found] ` <b1848eb2-9298-9089-ee4d-5356998c6c08-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-08-24 8:53 ` Peter Chen
2016-08-29 11:10 ` Peter Chen
2016-08-31 8:16 ` Vaibhav Hiremath
[not found] ` <3a45793f-18d9-0688-d2ab-ef79432c473c-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-08-31 9:52 ` Peter Chen
2016-08-31 16:58 ` Vaibhav Hiremath
2016-09-02 1:10 ` Peter Chen
2016-09-06 10:18 ` Vaibhav Hiremath
2016-09-09 8:47 ` Ulf Hansson
2016-09-19 7:39 ` Vaibhav Hiremath
[not found] ` <ecbc3c0d-4ce7-758d-7f7d-4b3f3003c1ac-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-09-19 7:46 ` Peter Chen
2016-09-19 8:17 ` Vaibhav Hiremath
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