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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>
d92e866f
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>