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ARM: enable ARM errata 643719 workaround by default

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The effects of not having ARM errata 643719 enabled on affected CPUs
can be very confusing and hard to debug.  Rather than leave this to
chance, enable this workaround by default.  Now that we have rearranged
the code, it should have a low impact on the majority of CPUs.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2015-04-02 23:58:55 +01:00
parent aaf4b5d92c
commit e5a5de4447
1 changed files with 1 additions and 0 deletions
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arch/arm/Kconfig
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@ -1127,6 +1127,7 @@ config ARM_ERRATA_742231
config ARM_ERRATA_643719
bool "ARM errata: LoUIS bit field in CLIDR register is incorrect"
depends on CPU_V7 && SMP
default y
help
This option enables the workaround for the 643719 Cortex-A9 (prior to
r1p0) erratum. On affected cores the LoUIS bit field of the CLIDR