1 files changed, 16 insertions, 0 deletions

diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
index 73c8e6591746..18f5dcf58b0d 100644
--- a/drivers/usb/common/common.c
+++ b/drivers/usb/common/common.c
@@ -16,6 +16,22 @@
 #include <linux/usb/otg.h>
 #include <linux/of_platform.h>
 
+static const char *const ep_type_names[] = {
+        [USB_ENDPOINT_XFER_CONTROL] = "ctrl",
+        [USB_ENDPOINT_XFER_ISOC] = "isoc",
+        [USB_ENDPOINT_XFER_BULK] = "bulk",
+        [USB_ENDPOINT_XFER_INT] = "intr",
+};
+
+const char *usb_ep_type_string(int ep_type)
+{
+        if (ep_type < 0 || ep_type >= ARRAY_SIZE(ep_type_names))
+                return "unknown";
+
+        return ep_type_names[ep_type];
+}
+EXPORT_SYMBOL_GPL(usb_ep_type_string);
+
 const char *usb_otg_state_string(enum usb_otg_state state)
 {
         static const char *const names[] = {