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authorCatalin Marinas <catalin.marinas@arm.com>2011-08-15 11:04:41 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-08-15 11:58:59 +0100
commit145e10e173c8adf4804334fb0dd10028300a7a7a (patch)
tree37409358acf86db952e0216fa528d289eef4fc4d /arch/arm/mach-footbridge
parent43c734be5571a4daad9f0a3e0b3229a1c0049917 (diff)
ARM: 7015/1: ARM errata: Possible cache data corruption with hit-under-miss enabled
This patch is a workaround for the 364296 ARM1136 r0p2 erratum (possible cache data corruption with hit-under-miss enabled). It sets the undocumented bit 31 in the auxiliary control register and the FI bit in the control register, thus disabling hit-under-miss without putting the processor into full low interrupt latency mode. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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