linux-kernel - Re: [PATCH 1/1] serial: 8250_dw: Fix get

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Date:	Wed, 25 Feb 2015 21:07:04 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Jonathan Richardson <jonathar@...adcom.com>
Cc:	Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazau <anatol@...gle.com>,
	Scott Branden <sbranden@...adcom.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH 1/1] serial: 8250_dw: Fix get_mctrl behaviour

On Wednesday 25 February 2015 12:00:15 Jonathan Richardson wrote:
> On 15-02-25 11:21 AM, Arnd Bergmann wrote:
> > On Wednesday 25 February 2015 11:04:16 Jonathan Richardson wrote:
> >> +- msr-override : array of strings to be used to override the individual
> >> +  modem status signals for DCD, DSR, CTS, and RI.  If the property is not
> >> +  present, the individual signals are obtained from the modem status register.
> >> +  Strings accepted are "dcd", "dsr", "cts", and "ri". If "dcd", "dsr", or
> >> +  "cts" are present, these signals will always be reported as active. If
> >> +  "ri" is present, this signal will always be reported as inactive.
> >>
> > 
> > Did you copy this definition from another driver? If not, we should try
> > to come up with a more natural way to do it. How about defining four
> > boolean properties instead, like
> > 
> >       dcd-override
> >       dsr-override
> >       cts-override
> >       ri-override
> > 
> > Simplifies the parser and the binding.
> 
> I didn't see anything similar in another driver. I agree with the bools
> instead of strings. Did you want to keep these in the Synopsis driver
> for now or were you thinking of putting them somewhere that they could
> be re-used?

I'm fine with it either way. Unless someone else has an opinion on the
matter, feel free to pick what makes sense to you.

	Arnd
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