tree 102bd31fb9ac4e056ba305edff3e2d73e6e3dee5
parent 36fdca1389944a8d9bead4235add8cc5fe801cc6
author Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> 1585597484 +0300
committer Alexey Brodkin <abrodkin@synopsys.com> 1585668713 +0300

ARC: IO: add compiler barriers to IO accessors

We must use compiler barriers in C-version read/write IO accessors
before and after operation (read or write) so it won't be reordered
by compiler.

Fixes commit 07906b3dad15 ("ARC: Switch to generic accessors")

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>