TRCIDR2          2127 drivers/hwtracing/coresight/coresight-etm4x-sysfs.c coresight_etm4x_cross_read(trcidr2, TRCIDR2);
TRCIDR2           634 drivers/hwtracing/coresight/coresight-etm4x.c 	etmidr2 = readl_relaxed(drvdata->base + TRCIDR2);