Re: [Gta04-owner] [PATCH 3/3] tty/slaves: add a driver to power on/off UART attached devices.

Pavel Machek
2015-03-20T19:50:23Z

Hi!

> >>
> >> Wouldn’t it be easier to simply write
> >>
> >> &uart1 {
> >> vdd-suppy = <&vaux4>;
> >> }
> >
> > Easier to write: certainly.
> > Easier to justify? No.
>
> I just justified.
>
> > Easier to get merged upstream? Definitely not.
>
> Are you the maintainer?

And you? I believe Neil is right here, and this kind of shortcut can
not be taken.

> > After all, the uart itself doesn't require a power supply.
> > It is the device connected to the uart which requires the power supply.
>
> Yes.

There's UART, long rs/232 cable, and a GPS.

UART needs some kind of power supply, to present voltages on the
rs/232 cable.

GPS needs some kind of power supply to work.

They are different power supplies, and we should have way to tell them
apart.
Pavel
--
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