summaryrefslogtreecommitdiffstats
path: root/arch/arc/mm/cache.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arc/mm/cache.c')
-rw-r--r--arch/arc/mm/cache.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index 5a294b2c3cb3..0b10efe3a6a7 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -921,6 +921,15 @@ void arc_cache_init(void)
printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
+ /*
+ * Only master CPU needs to execute rest of function:
+ * - Assume SMP so all cores will have same cache config so
+ * any geomtry checks will be same for all
+ * - IOC setup / dma callbacks only need to be setup once
+ */
+ if (cpu)
+ return;
+
if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE)) {
struct cpuinfo_arc_cache *ic = &cpuinfo_arc700[cpu].icache;
OpenPOWER on IntegriCloud