[PATCH v2 1/3] coresight: tmc: Add missing doc of tmc_drvdata::reading

From: Junhao He
Date: Fri Jun 20 2025 - 03:54:36 EST


From: Yicong Yang <yangyicong@xxxxxxxxxxxxx>

tmc_drvdata::reading is used to indicate whether a reading process
is performed through /dev/xyz.tmc. Document it.

Reviewed-by: James Clark <james.clark@xxxxxxxxxx>
Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
Signed-off-by: Junhao He <hejunhao3@xxxxxxxxxx>
---
drivers/hwtracing/coresight/coresight-tmc.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 6541a27a018e..3ca0d40c580d 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -220,6 +220,7 @@ 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
--
2.33.0