On Wed, Jun 08, 2016 at 03:51:52PM -0500, Rob Herring wrote:

On Wed, Jun 08, 2016 at 10:21:35AM +0100, Lee Jones wrote:

quoted

We're renaming the 'st,pwm-num-chan' binding to 'st,pwm-num-devs' to
be more inline with the naming conventions of the subsystem.  Where
we used to treat each line as a channel, the PWM convention is to
describe them as devices.

That's all linux implementation details and you are breaking 
compatibility.

While it's true that the API calls channels struct pwm_device, that's
primarily for historical reasons. It's completely fine, and in fact most
drivers already do exactly that, to internally refer to channels as
channels.

Thierry
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