From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Subject: Re: [PATCH v10 0/9] support ROHM BD70528 PMIC Date: Thu, 28 Feb 2019 08:10:55 +0000 Message-ID: <20190228081055.GL4118@dell> References: <20190228070450.GB3773@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: <20190228070450.GB3773@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org To: Matti Vaittinen Cc: mazziesaccount@gmail.com, Guenter Roeck , heikki.haikola@fi.rohmeurope.com, mikko.mutanen@fi.rohmeurope.com, robh+dt@kernel.org, mark.rutland@arm.com, broonie@kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linus.walleij@linaro.org, bgolaszewski@baylibre.com, sre@kernel.org, lgirdwood@gmail.com, a.zummo@towertech.it, alexandre.belloni@bootlin.com, wim@linux-watchdog.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-watchdog@vger.kernel.org, bogdan-petru.chircu-mare@nxp.com List-Id: devicetree@vger.kernel.org On Thu, 28 Feb 2019, Matti Vaittinen wrote: > Hello Lee and Mark, > > On Thu, Feb 14, 2019 at 03:02:37PM +0200, Matti Vaittinen wrote: > > Patch series introducing support for ROHM BD70528 PMIC > > > > ROHM BD70528 is a programmable Power Management IC for battery > > powered 'ultra low power' systems like the pre-announced NXP > > i.MX7 ULP. This patch series introduces support for the PMIC. Please > > note that this driver only supports HW setup where PMIC is connected > > to I2C on A7 core. The other scenario is to use M4 as a power manager > > and connect pmic to M4. On such setups the A7 can only access pmic > > via M4 core using RPMSG virtio. Such setup depends on RPMSG > > implementation on M4 core and is currently not supported by this > > patch series. > > > > I was wondering if there is anything that could be done to allow the MFD > part of this series to end up in upstream without having to wait the > regmap-irq changes > (https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git/commit/?h=topic/irq) > to be merged from Linus' tree to MFD tree? If I see it correctly, the > regmap-irq (main-irq-reg support) changes are not targeted to linux 5.1. > To me it looks like getting them to MFD via Linus' tree will take a while. > > The MFD part depends on the regmap-irq changes and I think that most > other subsystems want to have the MFD changes in before taking rest of > the driver in their trees. So it will be a while untill all the changes > are in. It would really be nice to have the drive in-tree sooner - hence > I ask if theres a way. (I don't want to push, just ask if it is possible :]) It's possible, so long as there aren't any build-time dependencies between the subsystems. Immediate acceptance however isn't possible due to the impending merge-window which opens in 3 days. -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog