[PATCH v10 3/7] Coresight: Use coresight_etm_get_trace_id() in traceid_show()

[Jie Gan]

From: James Clark <james.clark@xxxxxxxxxx>

Use the new API, coresight_etm_get_trace_id, to read the traceid of the ETM
device when call traceid_show via sysfs node.

Signed-off-by: James Clark <james.clark@xxxxxxxxxx>
Signed-off-by: Jie Gan <quic_jiegan@xxxxxxxxxxx>
---
 drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 3 +--
 drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
index 68c644be9813..b9006451f515 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c
@@ -1190,10 +1190,9 @@ static DEVICE_ATTR_RO(cpu);
 static ssize_t traceid_show(struct device *dev,
 			    struct device_attribute *attr, char *buf)
 {
-	int trace_id;
 	struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent);
+	int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL);
 
-	trace_id = etm_read_alloc_trace_id(drvdata);
 	if (trace_id < 0)
 		return trace_id;
 
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
index c767f8ae4cf1..e5216c0f60da 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c
@@ -4,6 +4,7 @@
  * Author: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
  */
 
+#include <linux/coresight.h>
 #include <linux/pid_namespace.h>
 #include <linux/pm_runtime.h>
 #include <linux/sysfs.h>
@@ -2402,10 +2403,9 @@ static ssize_t trctraceid_show(struct device *dev,
 			       struct device_attribute *attr,
 			       char *buf)
 {
-	int trace_id;
 	struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+	int trace_id = coresight_etm_get_trace_id(drvdata->csdev, CS_MODE_SYSFS, NULL);
 
-	trace_id = etm4_read_alloc_trace_id(drvdata);
 	if (trace_id < 0)
 		return trace_id;
 
-- 
2.34.1