From: Matthew Leach <matthew.leach@arm.com>
Date: Tue, 11 Sep 2012 16:56:57 +0000 (+0100)
Subject: ARM: 7532/1: decompressor: reset SCTLR.TRE for VMSA ARMv7 cores
X-Git-Tag: v3.2.31~89
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=622bba6d5a6210572325c89a7deb61175a2330a5;p=pandora-kernel.git

ARM: 7532/1: decompressor: reset SCTLR.TRE for VMSA ARMv7 cores

commit e1e5b7e4251c7538ca08c2c5545b0c2fbd8a6635 upstream.

This patch zeroes the SCTLR.TRE bit prior to setting the mapping as
cacheable for ARMv7 cores in the decompressor, ensuring that the
memory region attributes are obtained from the C and B bits, not from
the page tables.

Cc: Nicolas Pitre <nico@fluxnic.net>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matthew Leach <matthew.leach@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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