arc: cache: Add required NOPs after invalidation of instruction cache
authorAlexey Brodkin <abrodkin@synopsys.com>
Fri, 17 Nov 2017 13:02:17 +0000 (16:02 +0300)
committerAlexey Brodkin <abrodkin@synopsys.com>
Fri, 24 Nov 2017 16:38:23 +0000 (19:38 +0300)
commitf2a226780fa0e4055bec636b8108bf7e80951174
tree3993a46a82b2b94350a438e6bae0bd717761433a
parentd764a20f2bcab2e76bce0751ed125b0c32f9d82f
arc: cache: Add required NOPs after invalidation of instruction cache

As per ARC HS databook (see chapter 5.3.3.2) it is required to add
3 NOPs after each write to IC_IVIC which we do from now on.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Eugeniy Paltsev <paltsev@synopsys.com>
arch/arc/lib/cache.c