From: Yicong Yang <yangyicong@hisilicon.com>
tmc_drvdata::reading is used to indicate whether a reading process
is performed through /dev/xyz.tmc.
tmc_drvdata::etr_mode is used to store the Coresight TMC-ETR buffer
mode selected by the user.
Document them.
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Leo Yan <leo.yan@arm.com>
Signed-off-by: Junhao He <hejunhao3@h-partners.com>
---
drivers/hwtracing/coresight/coresight-tmc.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 95473d131032..319a354ede9f 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -221,6 +221,7 @@ struct tmc_resrv_buf {
* @pid: Process ID of the process that owns the session that is using
* this component. For example this would be the pid of the Perf
* process.
+ * @reading: buffer's in the reading through "/dev/xyz.tmc" entry
* @stop_on_flush: Stop on flush trigger user configuration.
* @buf: Snapshot of the trace data for ETF/ETB.
* @etr_buf: details of buffer used in TMC-ETR
@@ -233,6 +234,7 @@ struct tmc_resrv_buf {
* @trigger_cntr: amount of words to store after a trigger.
* @etr_caps: Bitmask of capabilities of the TMC ETR, inferred from the
* device configuration register (DEVID)
+ * @etr_mode: User preferred mode of the ETR device, default auto mode.
* @idr: Holds etr_bufs allocated for this ETR.
* @idr_mutex: Access serialisation for idr.
* @sysfs_buf: SYSFS buffer for ETR.
--
2.33.0