From: Rob Herring <rob.herring@calxeda.com>
Date: Wed, 9 Oct 2013 16:26:44 +0000 (+0100)
Subject: ARM: 7855/1: Add check for Cortex-A15 errata 798181 ECO
X-Git-Tag: v3.13-rc1~103^2~2^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92871b94a5f9892e324c31960678387922c75049;p=pandora-kernel.git

ARM: 7855/1: Add check for Cortex-A15 errata 798181 ECO

The work-around for A15 errata 798181 is not needed if appropriate ECO
fixes have been applied to r3p2 and earlier core revisions. This can be
checked by reading REVIDR register bits 4 and 9. If only bit 4 is set,
then the IPI broadcast can be skipped.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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