From: Willy Tarreau <w@1wt.eu>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
devicetree@vger.kernel.org, Jason Cooper <jason@lakedaemon.net>,
Arnaud Ebalard <arno@natisbad.org>,
Gregory Clement <gregory.clement@free-electrons.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: armada-385-synology-ds116: add support for Synology DS116 NAS
Date: Sun, 12 Feb 2017 16:44:14 +0100 [thread overview]
Message-ID: <20170212154414.GA30384@1wt.eu> (raw)
In-Reply-To: <20170212153855.GA17141@lunn.ch>
On Sun, Feb 12, 2017 at 04:38:55PM +0100, Andrew Lunn wrote:
> On Sun, Feb 12, 2017 at 02:24:18AM +0100, Willy Tarreau wrote:
> > On Sun, Feb 12, 2017 at 02:17:44AM +0100, Andrew Lunn wrote:
> > > > But won't that squat the I/O address and prevent me from using all the
> > > > other codes via the regular serial port ?
> > >
> > > Nope. That driver hijacks the serial port during shutdown to actually
> > > turn the power off. The rest of the time, it does not touch the serial
> > > port. Userspace, or the rest of the kernel is free to use it.
> >
> > OK so I should declare both the serial and the power-off device at the
> > same address ? Excuse-me for the dumb question but I'm not much used to
> > doing uncommon things in DTS files :-/
>
> Hi Willy
>
> What you have in v2 and v3 looks good. It could be considered a bit of
> a hack, two nodes for the same hardware block. But they are used at
> different times, normal runtime, and late in the shutdown. So it works
> out O.K.
OK thanks for confirming :-)
Willy
next prev parent reply other threads:[~2017-02-12 15:44 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-11 9:24 [PATCH] ARM: dts: armada-385-synology-ds116: add support for Synology DS116 NAS Willy Tarreau
[not found] ` <1486805073-15534-1-git-send-email-w-K+wRfnb2/UA@public.gmane.org>
2017-02-12 0:40 ` Andrew Lunn
2017-02-12 0:53 ` Willy Tarreau
[not found] ` <20170212005350.GA18612-K+wRfnb2/UA@public.gmane.org>
2017-02-12 1:17 ` Andrew Lunn
[not found] ` <20170212011744.GB7328-g2DYL2Zd6BY@public.gmane.org>
2017-02-12 1:24 ` Willy Tarreau
[not found] ` <20170212012418.GA17841-K+wRfnb2/UA@public.gmane.org>
2017-02-12 15:38 ` Andrew Lunn
2017-02-12 15:44 ` Willy Tarreau [this message]
[not found] ` <20170212153855.GA17141-g2DYL2Zd6BY@public.gmane.org>
2017-02-12 17:27 ` Thomas Petazzoni
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