ARM: DRA7: Enable Cortex A15 errata 798181
authorPraneeth Bajjuri <praneeth@ti.com>
Wed, 25 Mar 2015 23:25:09 +0000 (18:25 -0500)
committerTony Lindgren <tony@atomide.com>
Fri, 27 Mar 2015 21:38:03 +0000 (14:38 -0700)
commit209431eff8afb928d72200c79153165c7d860ca0
tree3a7a70a236da00c79f571699bb4ce7439b783e75
parentd723cfeafc7b4c73e89ed3d4b1a4d747e990872c
ARM: DRA7: Enable Cortex A15 errata 798181

ARM errata 798181 is applicable for OMAP5/DRA7 based devices. So enable
the same in the build.

DRA7xx is based on Cortex-A15 r2p2 revision.

ARM Errata extract and workaround information is as below.

On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
adequately shooting down all use of the old entries. The
ARM_ERRATA_798181 option enables the Linux kernel workaround
for this erratum which sends an IPI to the CPUs that are running
the same ASID as the one being invalidated.

Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/Kconfig