coresight: etm4x: request to retain power to the trace unit when active

[cascardo/linux.git] / drivers / hwtracing / coresight / coresight-etm4x.h

diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
index 5359c51..2629954 100644 (file)
--- a/drivers/hwtracing/coresight/coresight-etm4x.h
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -183,6 +183,9 @@
 #define TRCSTATR_IDLE_BIT              0
 #define ETM_DEFAULT_ADDR_COMP          0
 
+/* PowerDown Control Register bits */
+#define TRCPDCR_PU                     BIT(3)
+
 /* secure state access levels */
 #define ETM_EXLEVEL_S_APP              BIT(8)
 #define ETM_EXLEVEL_S_OS               BIT(9)