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path: root/drivers/hwtracing/coresight/coresight-etm3x.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm3x.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm3x.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c
index 5981fcc69960..aae80e14508d 100644
--- a/drivers/hwtracing/coresight/coresight-etm3x.c
+++ b/drivers/hwtracing/coresight/coresight-etm3x.c
@@ -315,6 +315,13 @@ static void etm_enable_hw(void *info)
dev_dbg(drvdata->dev, "cpu: %d enable smp call done\n", drvdata->cpu);
}
+static int etm_cpu_id(struct coresight_device *csdev)
+{
+ struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+
+ return drvdata->cpu;
+}
+
static int etm_trace_id(struct coresight_device *csdev)
{
struct etm_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
@@ -421,6 +428,7 @@ static void etm_disable(struct coresight_device *csdev)
}
static const struct coresight_ops_source etm_source_ops = {
+ .cpu_id = etm_cpu_id,
.trace_id = etm_trace_id,
.enable = etm_enable,
.disable = etm_disable,