476 	u8 devctl;  in musb_set_host()  local
481 	devctl = musb_read_devctl(musb);  in musb_set_host()
482 	if (!(devctl & MUSB_DEVCTL_BDEVICE)) {  in musb_set_host()
483 		trace_musb_state(musb, devctl, "Already in host mode");  in musb_set_host()
487 	devctl |= MUSB_DEVCTL_SESSION;  in musb_set_host()
488 	musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);  in musb_set_host()
490 	error = readx_poll_timeout(musb_read_devctl, musb, devctl,  in musb_set_host()
491 				   !(devctl & MUSB_DEVCTL_BDEVICE), 5000,  in musb_set_host()
495 			__func__, devctl);  in musb_set_host()
500 	devctl = musb_read_devctl(musb);  in musb_set_host()
501 	trace_musb_state(musb, devctl, "Host mode set");  in musb_set_host()
523 	u8 devctl;  in musb_set_peripheral()  local
528 	devctl = musb_read_devctl(musb);  in musb_set_peripheral()
529 	if (devctl & MUSB_DEVCTL_BDEVICE) {  in musb_set_peripheral()
530 		trace_musb_state(musb, devctl, "Already in peripheral mode");  in musb_set_peripheral()
534 	devctl &= ~MUSB_DEVCTL_SESSION;  in musb_set_peripheral()
535 	musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);  in musb_set_peripheral()
537 	error = readx_poll_timeout(musb_read_devctl, musb, devctl,  in musb_set_peripheral()
538 				   devctl & MUSB_DEVCTL_BDEVICE, 5000,  in musb_set_peripheral()
542 			__func__, devctl);  in musb_set_peripheral()
547 	devctl = musb_read_devctl(musb);  in musb_set_peripheral()
548 	trace_musb_state(musb, devctl, "Peripheral mode set");  in musb_set_peripheral()
666 static void musb_handle_intr_resume(struct musb *musb, u8 devctl)  in musb_handle_intr_resume()  argument
670 	if (devctl & MUSB_DEVCTL_HM) {  in musb_handle_intr_resume()
707 			if ((devctl & MUSB_DEVCTL_VBUS)  in musb_handle_intr_resume()
728 static irqreturn_t musb_handle_intr_sessreq(struct musb *musb, u8 devctl)  in musb_handle_intr_sessreq()  argument
732 	if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS  in musb_handle_intr_sessreq()
733 			&& (devctl & MUSB_DEVCTL_BDEVICE)) {  in musb_handle_intr_sessreq()
756 static void musb_handle_intr_vbuserr(struct musb *musb, u8 devctl)  in musb_handle_intr_vbuserr()  argument
791 			devctl |= MUSB_DEVCTL_SESSION;  in musb_handle_intr_vbuserr()
792 			musb_writeb(mbase, MUSB_DEVCTL, devctl);  in musb_handle_intr_vbuserr()
806 			devctl,  in musb_handle_intr_vbuserr()
808 			switch (devctl & MUSB_DEVCTL_VBUS) {  in musb_handle_intr_vbuserr()
827 static void musb_handle_intr_suspend(struct musb *musb, u8 devctl)  in musb_handle_intr_suspend()  argument
830 		 musb_otg_state_string(musb), devctl);  in musb_handle_intr_suspend()
884 static void musb_handle_intr_connect(struct musb *musb, u8 devctl, u8 int_usb)  in musb_handle_intr_connect()  argument
904 	if (devctl & MUSB_DEVCTL_LSDEV)  in musb_handle_intr_connect()
926 		if ((devctl & MUSB_DEVCTL_VBUS)  in musb_handle_intr_connect()
938 			musb_otg_state_string(musb), devctl);  in musb_handle_intr_connect()
941 static void musb_handle_intr_disconnect(struct musb *musb, u8 devctl)  in musb_handle_intr_disconnect()  argument
945 			MUSB_MODE(musb), devctl);  in musb_handle_intr_disconnect()
1051 				u8 devctl)  in musb_stage0_irq()  argument
1055 	musb_dbg(musb, "<== DevCtl=%02x, int_usb=0x%x", devctl, int_usb);  in musb_stage0_irq()
1062 		musb_handle_intr_resume(musb, devctl);  in musb_stage0_irq()
1068 		if (musb_handle_intr_sessreq(musb, devctl))  in musb_stage0_irq()
1074 		musb_handle_intr_vbuserr(musb, devctl);  in musb_stage0_irq()
1079 		musb_handle_intr_suspend(musb, devctl);  in musb_stage0_irq()
1084 		musb_handle_intr_connect(musb, devctl, int_usb);  in musb_stage0_irq()
1089 		musb_handle_intr_disconnect(musb, devctl);  in musb_stage0_irq()
1186 	u8              devctl = musb_readb(regs, MUSB_DEVCTL);  in musb_start()  local
1189 	musb_dbg(musb, "<== devctl %02x", devctl);  in musb_start()
1205 	devctl = musb_readb(regs, MUSB_DEVCTL);  in musb_start()
1206 	devctl &= ~MUSB_DEVCTL_SESSION;  in musb_start()
1215 	    (devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS) {  in musb_start()
1218 		devctl |= MUSB_DEVCTL_SESSION;  in musb_start()
1222 	musb_writeb(regs, MUSB_DEVCTL, devctl);  in musb_start()
1726 	u8		devctl;  in musb_interrupt()  local
1731 	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);  in musb_interrupt()
1756 		retval |= musb_stage0_irq(musb, musb->int_usb, devctl);  in musb_interrupt()
1921 	u8		devctl;  in vbus_show()  local
1929 		devctl = musb_readb(musb->mregs, MUSB_DEVCTL);  in vbus_show()
1930 		if ((devctl & MUSB_DEVCTL_VBUS)  in vbus_show()
1983 static bool musb_state_needs_recheck(struct musb *musb, u8 devctl,  in musb_state_needs_recheck()  argument
1987 		trace_musb_state(musb, devctl, desc);  in musb_state_needs_recheck()
2008 	u8 devctl, s;  in musb_pm_runtime_check_session()  local
2011 	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);  in musb_pm_runtime_check_session()
2016 	switch (devctl & ~s) {  in musb_pm_runtime_check_session()
2018 		musb_state_needs_recheck(musb, devctl,  in musb_pm_runtime_check_session()
2022 		if (musb_state_needs_recheck(musb, devctl,  in musb_pm_runtime_check_session()
2027 		if (musb_state_needs_recheck(musb, devctl,  in musb_pm_runtime_check_session()
2032 		trace_musb_state(musb, devctl, "Allow PM on possible host mode disconnect");  in musb_pm_runtime_check_session()
2042 	s = devctl & MUSB_DEVCTL_SESSION;  in musb_pm_runtime_check_session()
2048 		trace_musb_state(musb, devctl, "Block PM on active session");  in musb_pm_runtime_check_session()
2060 		if (devctl & MUSB_DEVCTL_BDEVICE)  in musb_pm_runtime_check_session()
2064 		trace_musb_state(musb, devctl, "Allow PM with no session");  in musb_pm_runtime_check_session()
2099 	u8 devctl;  in musb_recover_from_babble()  local
2116 	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);  in musb_recover_from_babble()
2117 	devctl &= ~MUSB_DEVCTL_SESSION;  in musb_recover_from_babble()
2118 	musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);  in musb_recover_from_babble()
2675 	musb->context.devctl = musb_readb(musb_base, MUSB_DEVCTL);  in musb_save_context()
2749 	if (musb->context.devctl & MUSB_DEVCTL_SESSION)  in musb_restore_context()
2750 		musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);  in musb_restore_context()
2852 	u8 devctl;  in musb_resume()  local
2867 	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);  in musb_resume()
2869 	if ((devctl & mask) != (musb->context.devctl & mask))  in musb_resume()
2878 		devctl |= MUSB_DEVCTL_SESSION;  in musb_resume()
2879 		musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);  in musb_resume()