linux-kernel - Re: [PATCH v7 0/5] mfd: tps65912: Driver rewrite with DT support

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Message-ID: <56703CCC.5060608@ti.com>
Date:	Tue, 15 Dec 2015 10:16:12 -0600
From:	"Andrew F. Davis" <afd@...com>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Mark Brown <broonie@...nel.org>
CC:	Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 0/5] mfd: tps65912: Driver rewrite with DT support

On 12/09/2015 06:35 AM, Linus Walleij wrote:
> On Tue, Dec 8, 2015 at 8:16 PM, Mark Brown <broonie@...nel.org> wrote:
>> On Mon, Dec 07, 2015 at 01:58:47PM -0600, Andrew F. Davis wrote:
>>
>>> As all of this driver should be taken though the MFD tree how
>>> can this gpiolib change be handled? If we have gpio.parent it
>>> will not build on MFD, with gpio.dev it will fail to build when
>>> the changes are merged from the gpio subsystem. As the change
>>> has not been merged into linux-next as far a I can tell maybe
>>> this should be taken as is, then when the gpiolib change is
>>> made this can be changed with all the other drivers?
>>
>> Do a cross tree merge in one direction or the other between MFD and GPIO.
>
> If Lee makes an immutable branch with this stuff on it I can
> pull that in and put a fix on top of it (like I recently did with
> the ASoC AC97 codec). I have "only" renamed
> the .dev field of struct gpio_chip to .parent but I'm bombing
> out another 150 or so patches today, ridding all GPIO drivers
> in the kernel of container_of().
>
> A bit painful but nothing to what tglx has gone through for
> refactoring IRQ chips...
>

Is there anything I can do to help this along? This series
and the tps65086 series have been blocked for months on
trivial issues. (Not sure why the tps65086 hasn't been taken,
it doesn't have this problem, I'd be OK with this getting
stalled for a bit longer if someone could look at the other
one)
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