ARCv2: SMP: clocksource: Enable Global Real Time counter

[karo-tx-linux.git] / arch / arc / kernel / mcip.c

diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index 35921c3ab3948190bbf4b7b82bf617a3080e5c44..ad7e90b97f6ecab5e793a0cc56721e3a6ae37dc4 100644 (file)
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -154,4 +154,7 @@ void mcip_init_early_smp(void)
                __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, 0xf);
                __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf);
        }
+
+       if (IS_ENABLED(CONFIG_ARC_HAS_GRTC) && !mp.grtc)
+               panic("kernel trying to use non-existent GRTC\n");
 }