linux-kernel - Re: [RFC 2/2] mux: mmio-based syscon mux controller

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Message-ID: <1492602613.2970.92.camel@pengutronix.de>
Date:   Wed, 19 Apr 2017 13:50:13 +0200
From:   Philipp Zabel <p.zabel@...gutronix.de>
To:     Steve Longerbeam <slongerbeam@...il.com>
Cc:     Peter Rosin <peda@...ntia.se>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sakari Ailus <sakari.ailus@....fi>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [RFC 2/2] mux: mmio-based syscon mux controller

On Thu, 2017-04-13 at 18:09 -0700, Steve Longerbeam wrote:
> 
> On 04/13/2017 08:48 AM, Philipp Zabel wrote:
> > This adds a driver for mmio-based syscon multiplexers controlled by a
> > single bitfield in a syscon register range.
> >
> > Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
> > ---
> >   drivers/mux/Kconfig      |  13 +++++
> >   drivers/mux/Makefile     |   1 +
> >   drivers/mux/mux-syscon.c | 130 +++++++++++++++++++++++++++++++++++++++++++++++
> >   3 files changed, 144 insertions(+)
> >   create mode 100644 drivers/mux/mux-syscon.c
> >
> > diff --git a/drivers/mux/Kconfig b/drivers/mux/Kconfig
> > index 86668b4d2fc52..a5e6a3b01ac24 100644
> > --- a/drivers/mux/Kconfig
> > +++ b/drivers/mux/Kconfig
> > @@ -43,4 +43,17 @@ config MUX_GPIO
> >   	  To compile the driver as a module, choose M here: the module will
> >   	  be called mux-gpio.
> >   
> > +config MUX_SYSCON
> 
> my preference would be CONFIG_MUX_MMIO.
> 
> > +	tristate "MMIO bitfield-controlled Multiplexer"
> 
> "MMIO register bitfield-controlled Multiplexer"
> 
> The rest looks good to me.

I'll change those. mux-syscon.c should probably be renamed to
mux-mmio.c, too.

regards
Philipp