linux-kernel - Re: [PATCH v6 3/3] ARM: tegra: acer-a500: Add atmel,wakeup-method property

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Message-ID: <YFyZ0ejrSxWc3JZT@orome.fritz.box>
Date:   Thu, 25 Mar 2021 15:10:25 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Dmitry Osipenko <digetx@...il.com>, Nick Dyer <nick@...anahar.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jiada Wang <jiada_wang@...tor.com>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 3/3] ARM: tegra: acer-a500: Add atmel,wakeup-method
 property

On Sun, Mar 21, 2021 at 03:40:28PM -0700, Dmitry Torokhov wrote:
> On Tue, Mar 02, 2021 at 01:21:58PM +0300, Dmitry Osipenko wrote:
> > Acer A500 uses Atmel Maxtouch 1386 touchscreen controller. This controller
> > has WAKE line which could be connected to I2C clock lane, dedicated GPIO
> > or fixed to HIGH level. Controller wakes up from a deep sleep when WAKE
> > line is asserted low. Acer A500 has WAKE line connected to I2C clock and
> > Linux device driver doesn't work property without knowing what wakeup
> > method is used by h/w.
> > 
> > Add atmel,wakeup-method property to the touchscreen node.
> > 
> > Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> 
> Applied, thank you.

I noticed that you had applied this as I was applying a different patch
that touches the same area and it causes a conflict. In general I prefer
to pick up all device tree changes into the Tegra tree, specifically to
avoid such conflicts.

That said, I didn't see an email from Stephen about this causing a
conflict in linux-next, so perhaps it's fine. If this pops up again it
might be worth considering to drop this from your tree so that I can
resolve the conflict in the Tegra tree.

Thierry

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