[RFC PATCH 0/3] DT support for ST micro accelerometers and gyroscopes

[Maxime Ripard]

Hi Jonathan,

On Sun, Nov 24, 2013 at 09:00:49PM +0000, Jonathan Cameron wrote:
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> On 11/21/13 13:14, Maxime Ripard wrote:
> > Hi Denis,
> > 
> > On Thu, Nov 21, 2013 at 12:41:24PM +0100, Denis CIOCCA wrote:
> > > only one point: it's possible to use the same names with DT?
> > > (using _ instead of -)
> > 
> > Yes, it is, but only for i2c as far as I'm aware, and usually the
> > DT compatibles are with - as a separator (I looked into the ePAPR,
> > but couldn't get any explanations or requirements on this, even
> > though it's used in all of their examples)
> 
> In other discussions, where the defacto i2c device tree bindings have
> been followed, the conclusion has been that to change to a - from _
> would result in userspace ABI changes, so whilst no one wants _
> the discussion has concluded we can't really avoid it.

What kind of userspace ABI changes are we talking about?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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