From: Peter Chen <hzpeterchen@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Roger Quadros <rogerq@ti.com>, Peter Chen <peter.chen@nxp.com>,
gregkh@linuxfoundation.org, stern@rowland.harvard.edu,
ulf.hansson@linaro.org, broonie@kernel.org, sre@kernel.org,
robh+dt@kernel.org, shawnguo@kernel.org, rjw@rjwysocki.net,
dbaryshkov@gmail.com, mark.rutland@arm.com, heiko@sntech.de,
stephen.boyd@linaro.org, frank.li@nxp.com,
gary.bisson@boundarydevices.com, festevam@gmail.com,
stillcompiling@gmail.com, arnd@arndb.de,
vaibhav.hiremath@linaro.org, mka@chromium.org,
devicetree@vger.kernel.org, mail@maciej.szmigiero.name,
pawel.moll@arm.com, linux-pm@vger.kernel.org,
s.hauer@pengutronix.de, troy.kisky@boundarydevices.com,
linux-arm-kernel@lists.infradead.org, hverkuil@xs4all.nl,
oscar@naiandei.net, linux-usb@vger.
Subject: Re: [PATCH v13 00/12] power: add power sequence library
Date: Wed, 17 May 2017 09:18:10 +0800 [thread overview]
Message-ID: <20170517011810.GA19967@b29397-desktop> (raw)
In-Reply-To: <20170516172855.hzshlqjvqe2oqb6e@kozik-lap>
On Tue, May 16, 2017 at 07:28:55PM +0200, Krzysztof Kozlowski wrote:
> On Wed, Feb 15, 2017 at 09:38:09AM +0800, Peter Chen wrote:
> > 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.
>
> Hi Peter and others,
>
> What is the status of this patchset? I looked recently and it seemd
> not-merged. Are there any issues not dealt with?
>
> Just to reminder, this patchset solves not only Peter's problem but few others
> as well, e.g. Odroid U3 USB hub/lan power sequence.
>
The patches 3-7 has already at v4.12-rc1, and I will send power sequence
patch set again.
--
Best Regards,
Peter Chen
prev parent reply other threads:[~2017-05-17 1:18 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-11 1:27 [PATCH v13 00/12] power: add power sequence library Peter Chen
2017-02-11 1:27 ` [PATCH v13 01/12] binding-doc: power: pwrseq-generic: add binding doc for generic " Peter Chen
2017-02-11 1:27 ` [PATCH v13 02/12] power: add " Peter Chen
2017-02-11 1:27 ` [PATCH v13 03/12] usb: separate out sysdev pointer from usb_bus Peter Chen
2017-02-11 1:27 ` [PATCH v13 04/12] usb: chipidea: use bus->sysdev for DMA configuration Peter Chen
[not found] ` <1486776443-2280-1-git-send-email-peter.chen-3arQi8VN3Tc@public.gmane.org>
2017-02-11 1:27 ` [PATCH v13 05/12] usb: ehci: fsl: " Peter Chen
2017-02-13 12:22 ` [PATCH v13 00/12] power: add power sequence library Rafael J. Wysocki
2017-02-11 1:27 ` [PATCH v13 06/12] usb: xhci: use bus->sysdev for DMA configuration Peter Chen
2017-02-13 8:25 ` Alexander Sverdlin
2017-02-14 5:33 ` Vivek Gautam
2017-02-14 10:36 ` Roger Quadros
2017-02-14 11:44 ` Arnd Bergmann
2017-02-14 12:26 ` Roger Quadros
2017-02-14 12:58 ` Arnd Bergmann
2017-02-15 1:35 ` Peter Chen
2017-02-15 8:18 ` Roger Quadros
[not found] ` <cb3ee971-6d97-fff1-64f7-1b527559b047-l0cyMroinI0@public.gmane.org>
2017-02-15 8:51 ` Peter Chen
2017-02-15 10:10 ` Roger Quadros
2017-02-15 11:51 ` Felipe Balbi
[not found] ` <87mvdnoenw.fsf-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2017-02-16 1:23 ` Peter Chen
2017-02-11 1:27 ` [PATCH v13 07/12] usb: ehci: " Peter Chen
2017-02-11 1:27 ` [PATCH v13 08/12] binding-doc: usb: usb-device: add optional properties for power sequence Peter Chen
2017-02-11 1:27 ` [PATCH v13 09/12] usb: core: add power sequence handling for USB devices Peter Chen
2017-02-11 1:27 ` [PATCH v13 10/12] ARM: dts: imx6qdl: Enable usb node children with <reg> Peter Chen
2017-02-11 1:27 ` [PATCH v13 11/12] ARM: dts: imx6qdl-udoo.dtsi: fix onboard USB HUB property Peter Chen
2017-02-11 1:27 ` [PATCH v13 12/12] ARM: dts: imx6q-evi: Fix onboard hub reset line Peter Chen
2017-02-14 10:21 ` [PATCH v13 00/12] power: add power sequence library Roger Quadros
2017-02-15 1:38 ` Peter Chen
2017-05-16 17:28 ` Krzysztof Kozlowski
2017-05-17 1:18 ` Peter Chen [this message]
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