852 	struct fsl_otg *p_otg;  in usb_otg_start()  local
860 	p_otg = container_of(otg_trans, struct fsl_otg, phy);  in usb_otg_start()
861 	fsm = &p_otg->fsm;  in usb_otg_start()
865 	fsm->otg = p_otg->phy.otg;  in usb_otg_start()
876 	p_otg->dr_mem_map = (struct usb_dr_mmap *)usb_dr_regs;  in usb_otg_start()
891 	p_otg->irq = platform_get_irq(pdev, 0);  in usb_otg_start()
892 	status = request_irq(p_otg->irq, fsl_otg_isr,  in usb_otg_start()
893 				IRQF_SHARED, driver_name, p_otg);  in usb_otg_start()
895 		dev_dbg(p_otg->phy.dev, "can't get IRQ %d, error %d\n",  in usb_otg_start()
896 			p_otg->irq, status);  in usb_otg_start()
897 		iounmap(p_otg->dr_mem_map);  in usb_otg_start()
898 		kfree(p_otg->phy.otg);  in usb_otg_start()
899 		kfree(p_otg);  in usb_otg_start()
904 	temp = fsl_readl(&p_otg->dr_mem_map->usbcmd);  in usb_otg_start()
906 	fsl_writel(temp, &p_otg->dr_mem_map->usbcmd);  in usb_otg_start()
909 	temp = fsl_readl(&p_otg->dr_mem_map->usbcmd);  in usb_otg_start()
911 	fsl_writel(temp, &p_otg->dr_mem_map->usbcmd);  in usb_otg_start()
914 	while (fsl_readl(&p_otg->dr_mem_map->usbcmd) & USB_CMD_CTRL_RESET)  in usb_otg_start()
919 	fsl_writel(temp, &p_otg->dr_mem_map->usbmode);  in usb_otg_start()
922 	temp = fsl_readl(&p_otg->dr_mem_map->portsc);  in usb_otg_start()
937 	fsl_writel(temp, &p_otg->dr_mem_map->portsc);  in usb_otg_start()
941 		temp = __raw_readl(&p_otg->dr_mem_map->control);  in usb_otg_start()
943 		__raw_writel(temp, &p_otg->dr_mem_map->control);  in usb_otg_start()
947 	temp = fsl_readl(&p_otg->dr_mem_map->otgsc);  in usb_otg_start()
950 	fsl_writel(temp, &p_otg->dr_mem_map->otgsc);  in usb_otg_start()
957 	if (fsl_readl(&p_otg->dr_mem_map->otgsc) & OTGSC_STS_USB_ID) {  in usb_otg_start()
958 		p_otg->phy.otg->state = OTG_STATE_UNDEFINED;  in usb_otg_start()
959 		p_otg->fsm.id = 1;  in usb_otg_start()
961 		p_otg->phy.otg->state = OTG_STATE_A_IDLE;  in usb_otg_start()
962 		p_otg->fsm.id = 0;  in usb_otg_start()
965 	pr_debug("initial ID pin=%d\n", p_otg->fsm.id);  in usb_otg_start()
968 	temp = fsl_readl(&p_otg->dr_mem_map->otgsc);  in usb_otg_start()
971 	fsl_writel(temp, &p_otg->dr_mem_map->otgsc);  in usb_otg_start()