diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x index 881f0cd99ce4ed7c894ec4bc35c59bf8dc7f1ecc..8e53a32f815056f97220b2092249128c12a848d0 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x @@ -371,6 +371,14 @@ Contact: Mathieu Poirier Description: (Read) Print the content of the Device ID Register (0xFC8). The value is taken directly from the HW. +What: /sys/bus/coresight/devices/etm/mgmt/trcdevarch +Date: January 2021 +KernelVersion: 5.12 +Contact: Mathieu Poirier +Description: (Read) Print the content of the Device Architecture Register + (offset 0xFBC). The value is taken directly read + from the HW. + What: /sys/bus/coresight/devices/etm/mgmt/trcdevtype Date: April 2015 KernelVersion: 4.01 diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index 36d8e52a131cb670f9c6113c10be96d24eefb8a3..4ce3927024aef282db4b9b9cdd14384b9c2a51d7 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -2459,6 +2459,7 @@ static struct attribute *coresight_etmv4_mgmt_attrs[] = { coresight_etm4x_reg(trcoslsr, TRCOSLSR), coresight_etm4x_reg(trcconfig, TRCCONFIGR), coresight_etm4x_reg(trctraceid, TRCTRACEIDR), + coresight_etm4x_reg(trcdevarch, TRCDEVARCH), NULL, };