On Monday 22 September 2014 11:36:15 Thierry Reding wrote:
> On Fri, Sep 12, 2014 at 05:34:54PM +0100, Will Deacon wrote:
> > We need to ensure that the IOMMUs in the system have a chance to perform
> > some basic initialisation before we start adding masters to them.
> >
> > This patch adds a call to of_iommu_init before of_platform_populate.
>
> Why can't you call it from of_platform_populate() directly? That way it
> would be usable for all architectures rather than just ARM. Eventually
> we're going to need the same thing for 64-bit ARM (and possibly others
> as well).
IIRC, of_platform_populate can be called multiple times, even recursively
be drivers that populate their own child devices.
Arnd
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