linux-kernel - Re: [PATCH v3 2/4] gpio: Add GPIO driver for Nintendo Wii

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Date:   Thu, 22 Feb 2018 14:08:31 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Jonathan Neuschäfer <j.neuschaefer@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Joel Stanley <joel@....id.au>,
        "linuxppc-dev@...ts.ozlabs.org list" <linuxppc-dev@...ts.ozlabs.org>,
        linux-gpio@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Albert Herranz <albert_herranz@...oo.es>,
        Segher Boessenkool <segher@...nel.crashing.org>
Subject: Re: [PATCH v3 2/4] gpio: Add GPIO driver for Nintendo Wii

On Thu, Feb 22, 2018 at 01:57:07PM +0100, Linus Walleij wrote:
> On Fri, Feb 9, 2018 at 1:07 PM, Jonathan Neuschäfer
> <j.neuschaefer@....net> wrote:
> 
> > The Nintendo Wii's chipset (called "Hollywood") has a GPIO controller
> > that supports a configurable number of pins (up to 32), interrupts, and
> > some special mechanisms to share the controller between the system's
> > security processor (an ARM926) and the PowerPC CPU. Pin multiplexing is
> > not supported.
> >
> > This patch adds a basic driver for this GPIO controller. Interrupt
> > support will come in a later patch.
> >
> > This patch is based on code developed by Albert Herranz and the GameCube
> > Linux Team, file arch/powerpc/platforms/embedded6xx/hlwd-gpio.c,
> > available at https://github.com/DeltaResero/GC-Wii-Linux-Kernels, but
> > has grown quite dissimilar.
> >
> > Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@....net>
> > Cc: Albert Herranz <albert_herranz@...oo.es>
> > Cc: Segher Boessenkool <segher@...nel.crashing.org>
> > <---
> >
> > v3:
> > - Do some style cleanups, as suggest by Andy Shevchenko
> 
> Patch applied to the GPIO tree for v4.17 with all the review tags.
> 
> I just folded the changelog into the commit message, for new
> drivers it is sometimes useful to keep these around in
> git actually.
> 
> If any further changes are needed we can just patch on top
> of this.
> 
> It's a very pretty driver, good work!

Thanks! :-)


Jonathan Neuschäfer

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