[PATCH v3 02/10] pwm: Allow chips to support multiple PWMs.

[Arnd Bergmann]

On Thursday 23 February 2012, Thierry Reding wrote:
> > Is this only used for the device tree functions? If so, I would recommend
> > making it less generic and always search for a device node.
> 
> It is currently only used to look up a struct pwm_chip for a given struct
> device_node, yes. But I can see other uses for this. For instance this could
> be useful if we ever want to provide an alternative way of requesting a PWM
> on a per-chip basis.

Nah, just keep it simple for now. If we need it later, we can still
add something like this back, but for now it's just a source of
confusion and possible bugs.

> I was again basically looking at gpiolib for inspiration (maybe I should stop
> doing that :-). Maybe gpiolib should be reworked to use seq_file's iterator
> interface as well? Just in case anybody else turns to gpiolib for
> inspiration.

Good idea. Would you be able to send a patch for that, too? I would guess
converting both at the same time would be easier for you than splitting
the work between two people.

	ARnd