USB_STS_LPMST_MASK
#define DEV_L0_STATE(p) (((p) & USB_STS_LPMST_MASK) == (0x0 << 18))
#define DEV_L1_STATE(p) (((p) & USB_STS_LPMST_MASK) == (0x1 << 18))
#define DEV_L2_STATE(p) (((p) & USB_STS_LPMST_MASK) == (0x2 << 18))
#define DEV_L3_STATE(p) (((p) & USB_STS_LPMST_MASK) == (0x3 << 18))