Re: [PATCH 00/14] misc/ep93xx_pwm: cleanup driver for conversion to PWM framework

[Arnd Bergmann]

On Monday 27 May 2013, H Hartley Sweeten wrote:
> Ryan Mallon has also provided a Reviewed-by for this series.
> 
> Will you be the one that merges this? I would like it to be in linux-next
> before I convert it to the PWM framework.

While Greg and I are both maintainers for drivers/misc, he is the one who
actually has a git tree for it, so he would merge it.

However, I think it would be better to just merge it all through the pwm
tree. Your current series is good, and with my Ack I see no problem to
just do the conversion to pwm on top and send a pull request for all of
it to Thierry.

> Also, I have a question about the conversion.
> 
> If I strip the sysfs support out of this driver the conversion is quite simple.
> But, my use for this driver requires user space control of the PWM.
> 
> Should I:
> 1) convert the driver to the PWM framework and leave the sysfs stuff in it
> 2) work out a generic sysfs support for the PWM framework and then
>     convert the driver
> 3) other...
>
> I've been looking at 2) by doing something like how gpiolib does it. Do
> you think that would be acceptable?

That would be for Thierry to decide. It does sound better to me than the 1)
and I don't have a better idea for 3).

I wonder how the arbitration between in-kernel and user-space consumers
of the pwm lines would work though.

	Arnd
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