ARC: [SMP] Disallow RTSC

[firefly-linux-kernel-4.4.55.git] / arch / arc / kernel / time.c

diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index 0a9b6b289c4f84369777a6aba460b3212cd6e9a5..e5f3a837fb35f2b4a37dc162f5b2054a1008ae15 100644 (file)
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -63,9 +63,10 @@
 
 int arc_counter_setup(void)
 {
-       /* RTSC insn taps into cpu clk, needs no setup */
-
-       /* For SMP, only allowed if cross-core-sync, hence usable as cs */
+       /*
+        * For SMP this needs to be 0. However Kconfig glue doesn't
+        * enable this option for SMP configs
+        */
        return 1;
 }