linux-kernel - Re: [PATCH] ARM64: dts: bcm2837-rpi-3-b: remove incorrect pwr LED

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Date:   Tue, 15 Nov 2016 11:46:50 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Eric Anholt <eric@...olt.net>
Cc:     Stefan Wahren <stefan.wahren@...e.com>,
        Will Deacon <will.deacon@....com>, Lee Jones <lee@...nel.org>,
        Andrea Merello <andrea.merello@...il.com>,
        linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        bcm-kernel-feedback-list@...adcom.com,
        Mark Rutland <mark.rutland@....com>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH] ARM64: dts: bcm2837-rpi-3-b: remove incorrect pwr LED

On Mo, 2016-11-14 at 16:39 -0800, Eric Anholt wrote:
> Stefan Wahren <stefan.wahren@...e.com> writes:
> 
> > Hi Eric,
> >
> > [add Gerd to CC]
> >
> >> Eric Anholt <eric@...olt.net> hat am 11. November 2016 um 18:38 geschrieben:
> >> 
> >> 
> >> From: Andrea Merello <andrea.merello@...il.com>
> >> 
> >> We are incorrectly defining the pwr LED, attaching it to a gpio line
> >> that is wired to the Wi-Fi SDIO module (which fails due to this).
> >
> > i agree with the intention of this patch, but is the upstream kernel really
> > affected? I can't see any compatible for the Wifi interface.
> 
> The wifi isn't in the DT yet because the driver isn't merged.  Some
> progress was made on that a while ago, but people asked for more
> cleanups so it's still living out of tree.

some low-hanging fruits (codestyle mostly) are done, but more work is
needed (fix messy timeout handling, make dma work).  Didn't happed yet
due to -ENOTIME.  My current state is here:

https://www.kraxel.org/cgit/linux/log/?h=bcm2837-wifi

In case anyone wants pick it up feel free to do so (but please tell me
so we avoid duplicating work).

cheers,
  Gerd