Re: [PATCH 1/1] serial: 8250_dw: Fix get_mctrl behaviour

From: Arnd Bergmann
Date: Thu Feb 26 2015 - 08:28:55 EST


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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