Re: [PATCH v2 5/9] coresight-tpdm: Add nodes to set trigger timestamp and type

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On 19/01/2023 07:41, Tao Zhang wrote:
The nodes are needed to set or show the trigger timestamp and
trigger type. This change is to add these nodes to achieve these
function.

Signed-off-by: Tao Zhang <quic_taozha@xxxxxxxxxxx>
Signed-off-by: Tao Zhang <taozha@xxxxxxxxxxxxxxxx>
---
  drivers/hwtracing/coresight/coresight-tpdm.c | 97 ++++++++++++++++++++++++++++
  1 file changed, 97 insertions(+)

diff --git a/drivers/hwtracing/coresight/coresight-tpdm.c b/drivers/hwtracing/coresight/coresight-tpdm.c
index c29d667d..1dbb6c4 100644
--- a/drivers/hwtracing/coresight/coresight-tpdm.c
+++ b/drivers/hwtracing/coresight/coresight-tpdm.c
@@ -20,6 +20,22 @@


+static struct attribute *tpdm_dsb_attrs[] = {
+	&dev_attr_dsb_trig_ts.attr,
+	&dev_attr_dsb_trig_type.attr,
+	NULL,
+};
+
+static struct attribute_group tpdm_dsb_attr_grp = {
+	.attrs = tpdm_dsb_attrs,
+	.is_visible = tpdm_dsb_is_visible,
+};
+
  static const struct attribute_group *tpdm_attr_grps[] = {
  	&tpdm_attr_grp,
+	&tpdm_dsb_attr_grp,
  	NULL,
  };


Please also add documentation of the new sysfs handles under :

Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm*

Suzuki




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