summaryrefslogtreecommitdiff
path: root/arch/arc/mm/cache.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2017-04-03 01:06:59 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-04-03 01:06:59 -0400
commita8e28440016bfb23bec266c4c66eacca6ea2d48b (patch)
tree27d528294f7886c434c8072a034d211acc06d077 /arch/arc/mm/cache.c
parent2b5efc089769cd2aa583880d29416d00e7441f39 (diff)
parent3209f68b3ca4667069923a325c88b21131bfdf9f (diff)
downloadlinux-a8e28440016bfb23bec266c4c66eacca6ea2d48b.tar.gz
linux-a8e28440016bfb23bec266c4c66eacca6ea2d48b.tar.xz
Merge branch 'work.statx' into for-next
Diffstat (limited to 'arch/arc/mm/cache.c')
-rw-r--r--arch/arc/mm/cache.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index d408fa21a07c..928562967f3c 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -633,6 +633,9 @@ noinline static void slc_entire_op(const int op)
write_aux_reg(ARC_REG_SLC_INVALIDATE, 1);
+ /* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */
+ read_aux_reg(r);
+
/* Important to wait for flush to complete */
while (read_aux_reg(r) & SLC_CTRL_BUSY);
}