From d1a313e4b6ccbb61c746ee10ac198970516e9afc Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Tue, 29 Apr 2014 18:33:09 -0600
Subject: [PATCH] PCI: Reject BAR above 4GB if dma_addr_t is too small

We can only handle BARs above 4GB if dma_addr_t (not resource_size_t) is 64
bits wide.  If we have a 64-bit resource_size_t and a 32-bit dma_addr_t,
we can't deal with BARs above 4GB.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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