On Friday 15 March 2013, H Hartley Sweeten wrote:
> Arnd,
>
> Ill look at converting the ep93xx pwm driver to the PWM subsystem. The only
> issue is
> the current driver exposes a sysfs interface that I think is not available in
> that subsystem.
You can probably keep providing that interface if you have active users.
> >* Regarding the use of module_platform_driver_probe, I'm a little worried
> >about
> > the interactions with deferred probing. I don't think there are any
> > regressions,
> > but we should probably make people aware that one cannot return
> > -EPROBE_DEFER
> > from a platform_driver_probe function.
>
> The ep93xx pwm driver does not need to use platform_driver_probe(). It can be
> changed
> to use module_platform_driver() by just moving the .probe to the
> platform_driver. This
> driver was added before module_platform_driver() was available and I used the
> platform_driver_probe() thinking it would save a couple lines of code.
>
> I'll change this in a bit. Right now I'm trying to work out why kernel 3.8 is
> not booting
> on the ep93xx. I had 3.6.6 on my development board and 3.7 works fine but 3.8
> hangs
> without uncompressing the kernel.
Ok, thanks!
Arnd
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