On Thu, Feb 24, 2011 at 03:46:48PM +0100, Arnd Bergmann wrote:
> On Wednesday 23 February 2011, Grant Likely wrote:
> > arch/powerpc/kernel/ibmebus.c is the only remaining user of the
> > of_bus_type support code for initializing the bus and registering
> > drivers. All others have either been switched to the vanilla platform
> > bus or already have their own infrastructure.
> >
> > This patch moves the functionality that ibmebus is using out of
> > drivers/of/{platform,device}.c and into ibmebus.c where it is actually
> > used. Also renames the moved symbols from of_platform_* to
> > ibmebus_bus_* to reflect the actual usage.
> >
> > This patch is part of moving all of the of_platform_bus_type users
> > over to the platform_bus_type.
> >
> > Signed-off-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
>
> The ibmebus is essentially the platform bus of the IBM Power Systems (a.k.a.
> pSeries a.k.a. System p), I think it would make a lot of sense to convert
> the two drivers (ehca and ehea) on this bus into platform drivers as well.
>
> The original reason for this bus was to provide a different IOMMU for them
> than what is used on the PCI devices. This should now be possible in simpler
> ways.
Agreed. Anybody want to volunteer to craft a patch?
In the mean time, do you have any problem with this patch? (assuming
nobody is able to take on the task of converting those drivers
immediately).
g.
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