Re: [PATCH v15 03/13] mux: minimal mux subsystem

From: Philipp Zabel
Date: Wed May 17 2017 - 05:38:50 EST


On Sun, 2017-05-14 at 21:51 +0200, Peter Rosin wrote:
> From: Peter Rosin <peda@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>

Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Tested-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
(using video-mux [1] on i.MX6)

[1] https://patchwork.kernel.org/patch/9712131/

regards
Philipp