[PATCH] powerpc/powernv: Fix IOMMU group lost

[Gavin Shan]

On Tue, Aug 05, 2014 at 06:00:36PM +0800, Wei Yang wrote:
>I didn't manage to test this one PHB3, since some network issue, I can't
>access the machine in Austin.
>
>Will reply after I test this on PHB3.
>

Yep, thanks. By the way, I tested it on P7 box and looks good
for partial/full hotplug cases.

Thanks,
Gavin