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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-cti-sysfs.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-cti-sysfs.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-cti-sysfs.c b/drivers/hwtracing/coresight/coresight-cti-sysfs.c
index 565e17680dea..552393525436 100644
--- a/drivers/hwtracing/coresight/coresight-cti-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-cti-sysfs.c
@@ -66,10 +66,20 @@ static ssize_t powered_show(struct device *dev,
}
static DEVICE_ATTR_RO(powered);
+static ssize_t ctmid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct cti_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ return sprintf(buf, "%d\n", drvdata->ctidev.ctm_id);
+}
+static DEVICE_ATTR_RO(ctmid);
+
/* attribute and group sysfs tables. */
static struct attribute *coresight_cti_attrs[] = {
&dev_attr_enable.attr,
&dev_attr_powered.attr,
+ &dev_attr_ctmid.attr,
NULL,
};