From: Catalin Marinas <catalin.marinas@arm.com>
Date: Wed, 6 Apr 2011 15:18:47 +0000 (+0100)
Subject: ARM: 6870/1: The mandatory barrier rmb() must be a dsb() in for device accesses
X-Git-Tag: v2.6.39~44^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a904f5f9eb7a55baacb2f4c1423cac8a8eb78a3a;p=pandora-kernel.git

ARM: 6870/1: The mandatory barrier rmb() must be a dsb() in for device accesses

Since mandatory barriers may be used (explicitly or implicitly via readl
etc.) to ensure the ordering between Device and Normal memory accesses,
a DMB is not enough. This patch converts it to a DSB.

Cc: Colin Cross <ccross@android.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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