Re: [PATCH v10 0/9] support ROHM BD70528 PMIC

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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 :])

Best Regards
	Matti Vaittinen




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