linux-kernel - Re: [PATCH 00/10] pinctrl: mvebu: remove hard-coded addresses from Dove pinctrl

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Date:	Tue, 25 Feb 2014 20:23:35 +0100
From:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To:	Jason Cooper <jason@...edaemon.net>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
Subject: Re: [PATCH 00/10] pinctrl: mvebu: remove hard-coded addresses from
 Dove pinctrl

[Cooked down Cc list to relevant people and added Ezequiel who agreed
to test on Armada 375/38x.]

On 02/25/2014 04:43 PM, Jason Cooper wrote:
> On Tue, Feb 25, 2014 at 04:30:45PM +0100, Sebastian Hesselbarth wrote:
>> On 02/25/14 16:16, Jason Cooper wrote:
>>> On Tue, Feb 25, 2014 at 10:36:54AM +0100, Linus Walleij wrote:
>>>> On Mon, Feb 24, 2014 at 7:10 PM, Jason Cooper <jason@...edaemon.net> wrote:
>>>>> I've now created mvebu/pinctrl-dove for this series.  It's based on
>>>>> v3.14-rc1, and depends on mvebu/pinctrl (which depends on
>>>>> mvebu/pinctrl-3xx).
>>>>>
>>>>> I've kept this series in a separate branch in case we encounter an
>>>>> unforeseen problem with something in here.  Then this branch can be
>>>>> dropped, and /pinctrl-3xx and /pinctrl will still make it in.
>>>>>
>>>>> So, all patches except 3 and 4 are in mvebu/pinctrl-dove.  3 and 4 are
>>>>> in mvebu/dt.
>>>>
>>>> OK so what should I be pulling in first now?
>>>
>>> Of course I woke up this morning not happy with this :-/  Here's what it
>>> looks like currently:
>>>
>>>    /v3.14-rc1
>>>    |
>>> --+---+---+---+---+ mvebu/pinctrl-3xx
>>>    |               \
>>>    |---+---+---+---+---+---+---+ mvebu/pinctrl
>>>    \                           \
>>>     \---------------------------+---+---+---+ mvebu/pinctrl-dove
>>>
>>> Not to scale.
>>>
>>>
>>> I would prefer to do:
>>>
>>>    /v3.14-rc1
>>>    |
>>> --+---+---+---+---+ mvebu/pinctrl-cleanup
>>>    |               \
>>>    |----------------+--+---+---+ mvebu/pinctrl-3xx
>>>    \                \
>>>     \----------------+---+---+--+---+---+---+ mvebu/pinctrl-dove
>>>
>>> But this would mean moving some patches to branches other than what they
>>> were sent with.  The advantage is that /pinctrl-3xx and /pinctrl-dove
>>> don't depend on each other, and only depend on -cleanup.  Which is great
>>> if there is something wrong in either branch.
>>>
>>> Sebastian, I can cherry-pick the patches around, but you know the code
>>> better than any of us, do you foresee any problems with this scenario?
>>
>> If Thomas agrees, I can rework Armada 375/38x pinctrl stubs to fit on
>> mvebu/pinctrl. That should allow you to have mvebu/pinctrl-dove
>> independent of mvebu/pinctrl-3xx.
>>
>> Not a big deal, I'd just pick 375/38x patches from mvebu/pinctrl and
>> squash them into mvebu/pinctrl-3xx. The only "issue" is that DT
>> documentation update patches from mvebu/pinctrl-dove have to be split
>> too.
>>
>> I'll prepare the three new branches for you and Thomas to look at
>> today.
>
> Ok, great.  Thanks Sebastian!

Ok, branches based on v3.14-rc1 with above dependencies can be found on:

https://github.com/shesselba/linux-dove.git for-mvebu/pinctrl-cleanup
https://github.com/shesselba/linux-dove.git for-mvebu/pinctrl-3xx
https://github.com/shesselba/linux-dove.git for-mvebu/pinctrl-dove

and an a-i-o branch to ease testing:

https://github.com/shesselba/linux-dove.git for-mvebu/all-merged-in

@Jason: I guess we should resend all three branches as individual
patches on list somehow.

Sebastian



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