On Mon, Aug 18, 2025 at 04:05:58PM +0800, Junhao He wrote:
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 Signed-off-by: Junhao He hejunhao3@huawei.com
Reviewed-by: Leo Yan leo.yan@arm.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 6541a27a018e..9daa2680cfb6 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 Perfprocess.
- @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
@@ -232,6 +233,7 @@ 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