Re: [PATCH v2 0/2] leds: pwm: Make automatic labels work

From: Pavel Machek
Date: Wed Sep 09 2020 - 05:00:38 EST


Hi!

> > > for leds-gpio you can use the properties 'function' and 'color' in the
> > > devicetree node and omit 'label', the label is constructed
> > > automatically. This is a common feature supposed to be working for all
> > > LED drivers. However it did not yet work for the 'leds-pwm' driver.
> > > This series fixes the driver and takes the opportunity to update the
> > > dt-bindings accordingly.
> > >
> > > v1: based on v5.9-rc2, backport on v5.4.59 tested and working
> > >
> > > v2: based on v5.9-rc3, added the dt-bindings update patch
> > >
> > > Greets
> > > Alex
> > >
> > > Alexander Dahl (2):
> > > leds: pwm: Allow automatic labels for DT based devices
> > > dt-bindings: leds: Convert pwm to yaml
> > >
> > > .../devicetree/bindings/leds/leds-pwm.txt | 50 -----------
> > > .../devicetree/bindings/leds/leds-pwm.yaml | 85 +++++++++++++++++++
> > > drivers/leds/leds-pwm.c | 9 +-
> > > 3 files changed, 93 insertions(+), 51 deletions(-)
> > > delete mode 100644 Documentation/devicetree/bindings/leds/leds-pwm.txt
> > > create mode 100644 Documentation/devicetree/bindings/leds/leds-pwm.yaml
> >
> > For both patches:
> >
> > Acked-by: Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx>
>
> I'd like to make a v3 and change the license of the .yaml file to "(GPL-2.0-
> only OR BSD-2-Clause)" as suggested by checkpatch and [1]. Can I keep your
> Acked-by for that?
>
> Besides: those suggestions are obviously valid for new bindings. What about
> old bindings (.txt), which had no explicit SPDX tag or license note before?
> What license would apply there? Is the .yaml file technically new, when it
> was mostly just converted from .txt?

If it is based on previous .txt binding, you have to respect previous
author's license. That probably means GPL-2.0 only.

Alternatively, you can contact original author(s) to get permission to
relicense under (GPL-2.0-only OR BSD-2-Clause).

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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