usb: common: add define of usb_speed_string()
There is only declaration of usb_speed_string(), but no definition,
so add it to avoid build error when call it.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
index 76f5a9c..5e5c3c3 100644
--- a/drivers/usb/common/common.c
+++ b/drivers/usb/common/common.c
@@ -49,6 +49,13 @@
[USB_SPEED_SUPER_PLUS] = "super-speed-plus",
};
+const char *usb_speed_string(enum usb_device_speed speed)
+{
+ if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
+ speed = USB_SPEED_UNKNOWN;
+ return speed_names[speed];
+}
+
enum usb_device_speed usb_get_maximum_speed(ofnode node)
{
const char *max_speed;