TB_SRP_FAIL        52 drivers/usb/chipidea/otg_fsm.h #define TB_SRP_FAIL          (6000)	/* b_srp_init,fail time 5~6s
TB_SRP_FAIL       265 drivers/usb/phy/phy-fsl-usb.h #define TB_SRP_FAIL	(7000)	/* b_srp_init,Fail time 5~30s, section:6.8.2.2*/