Re: [PATCH] devicetree - document using aliases to set spi bus number.

From: Mark Brown
Date: Tue May 24 2016 - 13:21:00 EST

On Tue, May 24, 2016 at 06:39:20PM +0200, Christer Weinigel wrote:
> Document how to use devicetree aliases to assign a stable
> bus number to a spi bus.

Please submit patches using subject lines reflecting the style for the
subsystem. This makes it easier for people to identify relevant

> Not having used devicetree that much it was surprisingly hard to
> figure out how to assign a stable bus number to a spi bus. Add a
> simple example that shows how to do that.

I'm not sure this is something we want to support at all, I can't
immediately see anything that does this deliberately in the SPI code and
obviously the "bus number" is something of a Linux specific concept
which would need some explanation if we were going to document it. It's
something I'm struggling a bit to see a robust use case for that isn't
better served by parsing sysfs, what's the goal here?

> Mark Cced as the SPI maintainer. Or should trivial documentation
> fixes like this be addressed to someone else?

This is definitely *not* trivial but yes, in general you should CC
maintainers on things.

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