From a4188beee59763b3507939968677776561adbba5 Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 30 Jan 2015 22:55:55 +0100
Subject: [PATCH] iommu/arm-smmu: Avoid build warning

ARM allmodconfig gained a new warning when dma_addr_t is 32-bit wide:

drivers/iommu/arm-smmu.c: In function 'arm_smmu_iova_to_phys_hard':
drivers/iommu/arm-smmu.c:1255:3: warning: right shift count >= width of type

This changes the calculation so that the effective type is always
64-bit.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 859a732e4f713 ("iommu/arm-smmu: add support for iova_to_phys through ATS1PR")
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
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