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authorRob Herring <rob.herring@calxeda.com>2013-10-09 17:26:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-10-29 11:06:13 +0000
commit92871b94a5f9892e324c31960678387922c75049 (patch)
tree8c47f2a0af3c2d21c71eeba12c843fb0eb7a4795 /arch/arm/lib
parent0cbad9c9dfe0c38e8ec7385b39087c005a6dee3e (diff)
downloadlinux-linaro-stable-92871b94a5f9892e324c31960678387922c75049.tar.gz
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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