From: Bjorn Helgaas <bhelgaas@google.com>
Date: Wed, 30 Apr 2014 00:33:09 +0000 (-0600)
Subject: PCI: Reject BAR above 4GB if dma_addr_t is too small
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~38^2~8^6~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1a313e4b6ccbb61c746ee10ac198970516e9afc;p=pandora-kernel.git

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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