From mboxrd@z Thu Jan 1 00:00:00 1970 From: hzpeterchen@gmail.com (Peter Chen) Date: Tue, 23 Aug 2016 09:25:25 +0800 Subject: [PATCH v6 2/8] power: add power sequence library In-Reply-To: <20160822102331.bimz22w6z2v65jd7@earth> References: <1471252398-957-1-git-send-email-peter.chen@nxp.com> <1471252398-957-3-git-send-email-peter.chen@nxp.com> <20160822065158.GB4362@shlinux2> <20160822102331.bimz22w6z2v65jd7@earth> Message-ID: <20160823012525.GA13986@shlinux2> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > > Tested-by Joshua Clayton > > > Reviewed-by: Matthias Kaehlcke > > > Tested-by: Matthias Kaehlcke > > > > 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