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SubjectRe: [RFC PATCH v5 0/1] drivers: mfd: Versatile Express SPC support
Hi Pawel,

On Wed, Jul 17, 2013 at 03:20:11PM +0100, Pawel Moll wrote:
> On Wed, 2013-07-17 at 15:16 +0100, Nicolas Pitre wrote:
> > On Wed, 17 Jul 2013, Pawel Moll wrote:
> >
> > > On Wed, 2013-07-17 at 13:33 +0100, Nicolas Pitre wrote:
> > > > If this is really miscelaneous code that really doesn't fit
> > > > anywhere else, it should rather go into drivers/misc/ as a last resort.
> > >
> > > Interestingly enough drivers/misc was my first choice for all the
> > > vexpress stuff, but it wasn't received well...
> > >
> > > Anyway, the SPC driver as it is now seem to be a "power management
> > > system driver". Maybe a relevant directory would be in place? Wouldn't
> > > PSCI belong there as well? (there are two psci.c files in arch/arm and
> > > arch/arm64, surprisingly similar ones ;-)
> > >
> > > The bottom line is: today it is not an MFD driver.
> >
> > But we know it will, right? So better save some churn by storing the
> > initial code where it would end up anyway once complete.
>
> Not in that form, no. The code living in mfd will just register
> mfd_cells while "functional" parts are going to live elsewhere. This is
> how I understand what Samuel asked me to do and that's what is happening
> to vexpress-sysreg now.
Very good, I'll happily apply such changes.
If I understand the IP correctly, the SPC driver will stay as a set of
runtime APIs for controlling the SPC features. If that's the case, then
misc sounds like a more appropriate place for this driver.
drivers/power/ really is for power supplies and charging drivers.

Cheers,
Samuel.

--
Intel Open Source Technology Centre
http://oss.intel.com/


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