[PATCH 0/2] Winbond driver as PNP

From: Bjorn Helgaas
Date: Thu Jul 09 2009 - 17:38:36 EST


On Wednesday 08 July 2009 10:52:19 am Bjorn Helgaas wrote:
> On Wednesday 01 July 2009 02:20:59 am David Härdeman wrote:
> > On Wed, July 1, 2009 01:11, Bjorn Helgaas wrote:
> > > The winbond driver does not use any ACPI-specific functionality, so
> > > it might be simpler to write it as a PNP driver (which would depend
> > > on PNPACPI, of course).
> >
> > As far as I could tell from a quick look at include/linux/pnp.h, a
> > pnp_driver doesn't seem to have any .shutdown methods either, so I'm not
> > sure how it would help?
>
> PNPACPI parses the device resources for you, so you could get rid
> of the _CRS stuff in your driver.
>
> The only reason PNP and ACPI don't have .shutdown is because nobody
> has needed it yet. If you need it (and it sounds like you do), I
> think the cleanest thing would be to add it to PNP and turn your
> driver into a PNP driver.

Here are two sample patches to show you what I was suggesting. These
apply on top of the two Winbond patches currently in -mm.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/