3 files changed, 14 insertions, 1 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index ac7bab772a3a..aaeef03c0d83 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5104,8 +5104,10 @@ static void port_event(struct usb_hub *hub, int port1)
 
 	if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
 		u16 status = 0, unused;
+		port_dev->over_current_count++;
 
-		dev_dbg(&port_dev->dev, "over-current change\n");
+		dev_dbg(&port_dev->dev, "over-current change #%u\n",
+			port_dev->over_current_count);
 		usb_clear_port_feature(hdev, port1,
 				USB_PORT_FEAT_C_OVER_CURRENT);
 		msleep(100);	/* Cool down */
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 2a700ccc868c..4dc769ee9c74 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -96,6 +96,7 @@ struct usb_port {
 	enum usb_port_connect_type connect_type;
 	usb_port_location_t location;
 	struct mutex status_lock;
+	u32 over_current_count;
 	u8 portnum;
 	unsigned int is_superspeed:1;
 	unsigned int usb3_lpm_u1_permit:1;
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 1a01e9ad3804..6979bde87d31 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -41,6 +41,15 @@ static ssize_t connect_type_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(connect_type);
 
+static ssize_t over_current_count_show(struct device *dev,
+				       struct device_attribute *attr, char *buf)
+{
+	struct usb_port *port_dev = to_usb_port(dev);
+
+	return sprintf(buf, "%u\n", port_dev->over_current_count);
+}
+static DEVICE_ATTR_RO(over_current_count);
+
 static ssize_t usb3_lpm_permit_show(struct device *dev,
 			      struct device_attribute *attr, char *buf)
 {
@@ -109,6 +118,7 @@ static DEVICE_ATTR_RW(usb3_lpm_permit);
 
 static struct attribute *port_dev_attrs[] = {
 	&dev_attr_connect_type.attr,
+	&dev_attr_over_current_count.attr,
 	NULL,
 };