On 03/03/2025 03:29, Jie Gan wrote:

Introduce a new strcuture, 'struct coresight_path', to store the data that utilized by the devices in the path. The coresight_path will be built/released by coresight_build_path/coresight_release_path functions.

Signed-off-by: Jie Gan quic_jiegan@quicinc.com

drivers/hwtracing/coresight/coresight-core.c | 16 +++++----- .../hwtracing/coresight/coresight-etm-perf.c | 30 ++++++++++--------- .../hwtracing/coresight/coresight-etm-perf.h | 2 +- drivers/hwtracing/coresight/coresight-priv.h | 6 ++-- drivers/hwtracing/coresight/coresight-sysfs.c | 12 ++++---- include/linux/coresight.h | 10 +++++++ 6 files changed, 44 insertions(+), 32 deletions(-)

...

diff --git a/include/linux/coresight.h b/include/linux/coresight.h index ce9a5e71b261..67cf8bdbe5c0 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -329,6 +329,16 @@ static struct coresight_dev_list (var) = { \ #define to_coresight_device(d) container_of(d, struct coresight_device, dev) +/**

• • struct coresight_path - data needed by enable/disable path
• • @path: path from source to sink.

This doesn't match the actual variable below.

• • @trace_id: trace_id of the whole path.
• */

+struct coresight_path {

• struct list_head path_list;
• u8 trace_id;

+};

• enum cs_mode { CS_MODE_DISABLED, CS_MODE_SYSFS,

Suzuki