On Mon, Dec 19, 2016 at 09:15:04PM +0200, Krzysztof Kozlowski wrote: > On Mon, Nov 14, 2016 at 09:35:51AM +0800, 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. > > > > [1] http://www.spinics.net/lists/linux-usb/msg142755.html > > [2] http://www.spinics.net/lists/linux-usb/msg143106.html > > [3] http://www.spinics.net/lists/linux-usb/msg142815.html > > > > Changes for v10: > > - Improve the kernel-doc for power sequence core, including exported APIs > > and > > main structure. [Patch 2/8] > > - Change Kconfig, and let the user choose power sequence. [Patch 2/8] > > - Delete EXPORT_SYMBOL and change related APIs as local, these APIs do not > > be intended to export currently. [Patch 2/8] > > - Selete POWER_SEQUENCE at USB core's Kconfig. [Patch 4/8] > > Hi Peter, > > It is great that you continued the work on this. > > I saw (in some previous mails) your repo mentioned: > https://git.kernel.org/cgit/linux/kernel/git/peter.chen/usb.git/ > Does it contain the recent version of this patchset? > > I want to build on top of it fixes for usb3503 on Odroid U3 board.
Krzysztof, I put v10 patch set at branch: pwrseq-lib. It seems there are no more comments I will send my v11 patch set after new year holiday. -- Best Regards, Peter Chen
