linux-kernel - Re: pinctrl-msm build error on Linus' tree

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Message-ID: <CACRpkdZHHPvJiYmAvYdGb01sKsSmkfuV+d4-skSePbFFEjYs2g@mail.gmail.com>
Date:	Thu, 9 Oct 2014 09:34:03 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	torvalds@...uxfoundation.org,
	Josh Cartwright <joshc@...eaurora.org>,
	Pramod Gurav <pramod.gurav@...rtplayin.com>,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: pinctrl-msm build error on Linus' tree

On Thu, Oct 9, 2014 at 1:12 AM, Guenter Roeck <linux@...ck-us.net> wrote:
> On Wed, Oct 08, 2014 at 06:42:55PM -0400, Josh Boyer wrote:

>> However, there is literally nothing else in the tree that calls or
>> provides those functions:
>>
>> [jwboyer@...er linux]$ git grep unregister_restart_handler
>> drivers/pinctrl/qcom/pinctrl-msm.c:     unregister_restart_handler(&pctrl->resta
>> [jwboyer@...er linux]$
>>
>>
>> I'm rather confused.  How was this commit built and tested?

I guess the dependent tree was being pulled into linux-next before
the pinctrl tree, and so the end result was working?

> Looks like the pinctrl tree did not include the merge with the immutable
> branch with the necessary infrastructure in its pull request to Linus :-(.

Yeah maybe I missed some pull request for that, such things happen.

> As for how it was tested in the pinctrl tree, no idea. Maybe pinctrl-msm has
> some dependency which was missing in the pinctrl tree and came in through
> a different pull request.

See above.

Anyway, it is a minor platform, not x86_64. So don't exaggerate
this thing, and besides the restart notifiers are great.

If we go down the route of trying to always avoid all trouble in the
world by adding more procedure I guess we shouldn't shoehorn
too much into the same merge window and should have this
postponed to v3.19. But I don't know if it buys us so much.

Yours,
Linus Walleij
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