Re: [PATCH v2 8/8] habanalabs: enable 64-bit DMA mask in POWER9

From: Christoph Hellwig
Date: Mon Jun 24 2019 - 02:58:32 EST

Because as a matter of policy the driver has no business knowing the
actual bridge. Even if we'd agree that a driver workaround would be
the right thing it has to be discoverable by an actual interface and
not a system type or root port PCI ID.