diff options
Diffstat (limited to 'drivers/usb/common/common.c')
| -rw-r--r-- | drivers/usb/common/common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 76f5a9ce60..5e5c3c3e3d 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -49,6 +49,13 @@ static const char *const speed_names[] = { [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; |