From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH v13 00/12] power: add power sequence library Date: Tue, 16 May 2017 19:28:55 +0200 Message-ID: <20170516172855.hzshlqjvqe2oqb6e@kozik-lap> References: <1486776443-2280-1-git-send-email-peter.chen@nxp.com> <20170215013808.GB6579@b29397-desktop> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: <20170215013808.GB6579@b29397-desktop> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter Chen Cc: Roger Quadros , Peter Chen , gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org, ulf.hansson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, sre-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org, dbaryshkov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org, stephen.boyd-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, frank.li-3arQi8VN3Tc@public.gmane.org, gary.bisson-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org, festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, stillcompiling-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, vaibhav.hiremath-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, mka-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, mail-APzI5cXaD1zVlRWJc41N0YvC60bnQu0Y@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, troy.kisky-Q5RJGjKts06CY9SHAMCTRUEOCMrvLtNR@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org, oscar-Bdbr4918Nnnk1uMJSBkQmQ@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, p.zabel List-Id: linux-pm@vger.kernel.org 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. Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html