Thread (79 messages) read the whole thread 79 messages, 11 authors, 2015-06-06

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

From: Pavel Machek <hidden>
Date: 2015-03-20 19:50:23
Also in: lkml

Hi!
quoted
quoted
Wouldn’t it be easier to simply write

&uart1 {
	vdd-suppy = <&vaux4>;
}
Easier to write: certainly.
Easier to justify? No.
I just justified.
quoted
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.
quoted
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
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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