[ Upstream commit 32253f00ac8a8073bf6db4bfe9d6511cc93c4aef ] The offset is currently always zero so the backend can't distinguish between accesses to different ioremapped areas. Fixes: 522c532c4fe7 ("virt-pci: add platform bus support") Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sasha Levin <sashal@kernel.org>