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

[Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>]

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Hi Jean,

On Sat, Nov 30, 2013 at 02:04:02PM +0100, Jean Delvare wrote:
> > i2c has a generic binding that matches to the name bit of the
> > i2c_device_id array.  That is then exported in sysfs.  There are
> > quite a lot of instances of underscores out there in these names.
> > Thus unforutnately they can't be changed without possibly breaking
> > userspace.  Typically those same names are also output by IIO
> > though obviously we could keep that the same whilst changing the
> > dt binding.
> > 
> > Also the i2c binding allows binding after dropping the vendor
> > prefix which is even more 'interesting'. See of_modialias_node in
> > drivers/of/base.c
> > 
> > I'd therefore argue in favour of just leaving the underscores in
> > existing drivers as a nasty bit of legacy and doing our best to
> > not introduce any new ones!
> 
> I don't know what is the problem with underscores, but please note
> that hwmon i2c devices are NOT allowed to have dashes in their name
> because that would break libsensors.

As far as I remember, hwmon doesn't handle the accelerometers or
gyroscopes, does it?

Thanks,
Maxime

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

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