Re: [RFC, PATCH] watchdog on gpio

Mike Frysinger
2008-01-14T12:22:52Z

On Jan 14, 2008 7:14 AM, Haavard Skinnemoen <hskinnemoen@atmel.com> wrote:
> "Mike Frysinger" <vapier.adi@gmail.com> wrote:
> > there is no hard requirement anywhere that says platform resources
> > must be in the board resources file. marking the functions as __init
> > instead of __devinit will basically cause a kernel crash if someone
> > tries to use dynamic platform resources. there is no option that i'm
> > aware of that prevents dynamic platform resources which means there is
> > no way for the driver to say "i wont work with standard dynamic
> > platform resources".
>
> There is: platform_driver_probe(). It takes the probe function as a
> parameter so that it can be left out of the platform_driver struct.
> After it returns, there are no references to the probe function left
> around, so if you call platform_driver_probe() instead of
> platform_driver_register(), the probe function can be __init.

ah, thanks for that. i think in that case, there's no way to bind the
release function to the process ? which means the driver is no longer
unloadable ? which means the platform driver release function can be
scrubbed as well as the module exit function as well as changing the
Kconfig to be a bool ?
-mike