linux-kernel - Re: [PATCH 3/6] gpio: dt-bindings: Add documentation for gpio controllers on Armada 7K/8K

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Date:   Mon, 29 May 2017 10:08:16 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:     Stephen Boyd <sboyd@...eaurora.org>,
        Mike Turquette <mturquette@...libre.com>,
        Alexandre Courbot <gnurou@...il.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Rob Herring <robh+dt@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Nadav Haklai <nadavh@...vell.com>,
        Kostya Porotchkin <kostap@...vell.com>,
        Neta Zur Hershkovits <neta@...vell.com>,
        Marcin Wojtas <mw@...ihalf.com>,
        Omri Itach <omrii@...vell.com>,
        Shadi Ammouri <shadi@...vell.com>
Subject: Re: [PATCH 3/6] gpio: dt-bindings: Add documentation for gpio
 controllers on Armada 7K/8K

On Tue, May 23, 2017 at 3:06 PM, Gregory CLEMENT
<gregory.clement@...e-electrons.com> wrote:
>  On mar., mai 23 2017, Linus Walleij <linus.walleij@...aro.org> wrote:

>> Please rebase and resend the rest of the patches.
>
> Actually I was wrong with my assumption that there was no dependency.
> For the binding documentation there is dependecy accross the series I
> sent.
>
> This patch depends on "pinctrl: dt-bindings: add documentation for AP806
> pin controllers" [1] and "pinctrl: dt-bindings: add documentation for
> CP110 pin controllers" [3] from the series "Add support for the pin
> controllers on the Marvell Armada 7K/8K".
>
> As you are maintainer of both gpio and pinctrl subsystem it will be easy
> to resolv.

Please send all patches in one big series in that case, so I can apply
them all to a branch and merge that branch into both trees.

> But these last patches depend also on "clk: mvebu: ap806: introduce a
> new binding" [3] in the clock series "Improve ap806 clk support on
> Marvell Armada 7K/8K" and on "clk: mvebu: cp110: introduce a new
> binding" [4] in the clock series "Improve cp110 clk support on Marvell
> Armada 7K/8K".

That sounds messy.

> So for these particular patches, either I rebase them on the v4.12-rc2
> and there will be a small merge conflict during the merge window for
> v4.13, or we can ask a stable branch with only these few patches (I am
> adding the clock maintainer to this email).
>
> If we chose this last option I can split the clock patches to have patch
> modifying only the binding documentation.

I think you can make a patch just modifying the binding documentation
and then apply that patch to *both* trees, just make sure the patch
is *final* and not applied in different versions in clk and pinctrl.

I think cross-tree branches for documentation clashes is too much
bureaucracy.

Make sure your clock patch is finalized and preferably also applied
to the clk tree then put it in the bottom of the patch set you send
to me as well and I will proceed like above.

Yours,
Linus Walleij