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SubjectRe: [PATCH v10 1/1] PRUSS UIO driver support
On Fri, Mar 04, 2011 at 04:58:05PM +0100, Arnd Bergmann wrote:
> On Friday 04 March 2011, Nori, Sekhar wrote:
> > On Fri, Mar 04, 2011 at 19:50:28, Hans J. Koch wrote:
> > > On Fri, Mar 04, 2011 at 10:12:52AM +0530, Pratheesh Gangadhar wrote:
> > > > diff --git a/include/linux/uio_pruss.h b/include/linux/uio_pruss.h
> > > > new file mode 100644
> > > > index 0000000..8c9b2c9
> > > > --- /dev/null
> > > > +++ b/include/linux/uio_pruss.h
> > >
> > > That should go to arch/arm/mach-davinci/include/mach/
> > > and not to the top level include/linux/ directory.
> >
> > It was put in here because this driver
> > will be used across two ARM architectures
> > (DaVinci and OMAP). Although it won't be used
> > outside of ARM at least in near future.
>
> I think include/linux/ is fine for this

No, please use include/linux/platform_data/ instead, that is where
platform data should be going into, not into the "global" space if
include/linux/

> , and arch/arm/include/asm would
> be ok as well. You might want to have only a single pruss header
> file that defines all the platform data for the child drivers, though.
>
> Ideally, you would of course not need the header at all. This will
> be possible with the move to a flat device tree, where you can store the
> offset as a property of the device
>
> Another alternative would be to move it to a resource of the platform
> device.

That might be a nice idea for the future.

thanks,

greg k-h


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