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Message-ID: <1495013919.3030.43.camel@pengutronix.de>
Date: Wed, 17 May 2017 11:38:39 +0200
From: Philipp Zabel <p.zabel@...gutronix.de>
To: Peter Rosin <peda@...ator.liu.se>
Cc: linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Peter Rosin <peda@...ntia.se>,
Wolfram Sang <wsa@...-dreams.de>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Jonathan Cameron <jic23@...nel.org>,
Hartmut Knaack <knaack.h@....de>,
Lars-Peter Clausen <lars@...afoo.de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
Jonathan Corbet <corbet@....net>, linux-i2c@...r.kernel.org,
devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
linux-doc@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Colin Ian King <colin.king@...onical.com>,
Paul Gortmaker <paul.gortmaker@...driver.com>,
kernel@...gutronix.de
Subject: Re: [PATCH v15 03/13] mux: minimal mux subsystem
On Sun, 2017-05-14 at 21:51 +0200, Peter Rosin wrote:
> From: Peter Rosin <peda@...ntia.se>
>
> Add a new minimalistic subsystem that handles multiplexer controllers.
> When multiplexers are used in various places in the kernel, and the
> same multiplexer controller can be used for several independent things,
> there should be one place to implement support for said multiplexer
> controller.
>
> A single multiplexer controller can also be used to control several
> parallel multiplexers, that are in turn used by different subsystems
> in the kernel, leading to a need to coordinate multiplexer accesses.
> The multiplexer subsystem handles this coordination.
>
> Thanks go out to Lars-Peter Clausen, Jonathan Cameron, Rob Herring,
> Wolfram Sang, Paul Gortmaker, Dan Carpenter, Colin Ian King, Greg
> Kroah-Hartman and last but certainly not least to Philipp Zabel for
> helpful comments, reviews, patches and general encouragement!
>
> Reviewed-by: Jonathan Cameron <jic23@...nel.org>
> Signed-off-by: Peter Rosin <peda@...ntia.se>
Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
Tested-by: Philipp Zabel <p.zabel@...gutronix.de>
(using video-mux [1] on i.MX6)
[1] https://patchwork.kernel.org/patch/9712131/
regards
Philipp
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