45 	dev_dbg(mep->mtu->dev, "%s fifo:%#x/%#x, start_bit: %d\n",  in ep_fifo_alloc()
66 	dev_dbg(mep->mtu->dev, "%s size:%#x/%#x, start_bit: %d\n",  in ep_fifo_free()
71 static inline void mtu3_ss_func_set(struct mtu3 *mtu, bool enable)  in mtu3_ss_func_set()  argument
75 		mtu3_setbits(mtu->mac_base, U3D_USB3_CONFIG, USB3_EN);  in mtu3_ss_func_set()
77 		mtu3_clrbits(mtu->mac_base, U3D_USB3_CONFIG, USB3_EN);  in mtu3_ss_func_set()
79 	dev_dbg(mtu->dev, "USB3_EN = %d\n", !!enable);  in mtu3_ss_func_set()
83 static inline void mtu3_hs_softconn_set(struct mtu3 *mtu, bool enable)  in mtu3_hs_softconn_set()  argument
86 		mtu3_setbits(mtu->mac_base, U3D_POWER_MANAGEMENT,  in mtu3_hs_softconn_set()
89 		mtu3_clrbits(mtu->mac_base, U3D_POWER_MANAGEMENT,  in mtu3_hs_softconn_set()
92 	dev_dbg(mtu->dev, "SOFTCONN = %d\n", !!enable);  in mtu3_hs_softconn_set()
96 static int mtu3_device_enable(struct mtu3 *mtu)  in mtu3_device_enable()  argument
98 	void __iomem *ibase = mtu->ippc_base;  in mtu3_device_enable()
103 	if (mtu->u3_capable) {  in mtu3_device_enable()
113 	if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) {  in mtu3_device_enable()
115 		if (mtu->u3_capable)  in mtu3_device_enable()
120 	return ssusb_check_clocks(mtu->ssusb, check_clk);  in mtu3_device_enable()
123 static void mtu3_device_disable(struct mtu3 *mtu)  in mtu3_device_disable()  argument
125 	void __iomem *ibase = mtu->ippc_base;  in mtu3_device_disable()
127 	if (mtu->u3_capable)  in mtu3_device_disable()
134 	if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) {  in mtu3_device_disable()
136 		if (mtu->u3_capable)  in mtu3_device_disable()
144 static void mtu3_dev_power_on(struct mtu3 *mtu)  in mtu3_dev_power_on()  argument
146 	void __iomem *ibase = mtu->ippc_base;  in mtu3_dev_power_on()
149 	if (mtu->u3_capable)  in mtu3_dev_power_on()
155 static void mtu3_dev_power_down(struct mtu3 *mtu)  in mtu3_dev_power_down()  argument
157 	void __iomem *ibase = mtu->ippc_base;  in mtu3_dev_power_down()
159 	if (mtu->u3_capable)  in mtu3_dev_power_down()
167 static void mtu3_device_reset(struct mtu3 *mtu)  in mtu3_device_reset()  argument
169 	void __iomem *ibase = mtu->ippc_base;  in mtu3_device_reset()
176 static void mtu3_intr_status_clear(struct mtu3 *mtu)  in mtu3_intr_status_clear()  argument
178 	void __iomem *mbase = mtu->mac_base;  in mtu3_intr_status_clear()
193 static void mtu3_intr_disable(struct mtu3 *mtu)  in mtu3_intr_disable()  argument
196 	mtu3_writel(mtu->mac_base, U3D_LV1IECR, ~0x0);  in mtu3_intr_disable()
198 	mtu3_writel(mtu->mac_base, U3D_EPIECR, ~0x0);  in mtu3_intr_disable()
199 	mtu3_intr_status_clear(mtu);  in mtu3_intr_disable()
203 static void mtu3_intr_enable(struct mtu3 *mtu)  in mtu3_intr_enable()  argument
205 	void __iomem *mbase = mtu->mac_base;  in mtu3_intr_enable()
216 	if (mtu->u3_capable) {  in mtu3_intr_enable()
232 static void mtu3_set_speed(struct mtu3 *mtu, enum usb_device_speed speed)  in mtu3_set_speed()  argument
234 	void __iomem *mbase = mtu->mac_base;  in mtu3_set_speed()
236 	if (speed > mtu->max_speed)  in mtu3_set_speed()
237 		speed = mtu->max_speed;  in mtu3_set_speed()
253 		mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0),  in mtu3_set_speed()
258 		mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),  in mtu3_set_speed()
262 		dev_err(mtu->dev, "invalid speed: %s\n",  in mtu3_set_speed()
267 	mtu->speed = speed;  in mtu3_set_speed()
268 	dev_dbg(mtu->dev, "set speed: %s\n", usb_speed_string(speed));  in mtu3_set_speed()
272 static void mtu3_csr_init(struct mtu3 *mtu)  in mtu3_csr_init()  argument
274 	void __iomem *mbase = mtu->mac_base;  in mtu3_csr_init()
276 	if (mtu->u3_capable) {  in mtu3_csr_init()
300 	struct mtu3 *mtu = mep->mtu;  in mtu3_ep_reset()  local
303 	mtu3_setbits(mtu->mac_base, U3D_EP_RST, rst_bit);  in mtu3_ep_reset()
304 	mtu3_clrbits(mtu->mac_base, U3D_EP_RST, rst_bit);  in mtu3_ep_reset()
310 	struct mtu3 *mtu = mep->mtu;  in mtu3_ep_stall_set()  local
311 	void __iomem *mbase = mtu->mac_base;  in mtu3_ep_stall_set()
338 	dev_dbg(mtu->dev, "%s: %s\n", mep->name,  in mtu3_ep_stall_set()
342 void mtu3_dev_on_off(struct mtu3 *mtu, int is_on)  in mtu3_dev_on_off()  argument
344 	if (mtu->u3_capable && mtu->speed >= USB_SPEED_SUPER)  in mtu3_dev_on_off()
345 		mtu3_ss_func_set(mtu, is_on);  in mtu3_dev_on_off()
347 		mtu3_hs_softconn_set(mtu, is_on);  in mtu3_dev_on_off()
349 	dev_info(mtu->dev, "gadget (%s) pullup D%s\n",  in mtu3_dev_on_off()
350 		usb_speed_string(mtu->speed), is_on ? "+" : "-");  in mtu3_dev_on_off()
353 void mtu3_start(struct mtu3 *mtu)  in mtu3_start()  argument
355 	void __iomem *mbase = mtu->mac_base;  in mtu3_start()
357 	dev_dbg(mtu->dev, "%s devctl 0x%x\n", __func__,  in mtu3_start()
360 	mtu3_dev_power_on(mtu);  in mtu3_start()
361 	mtu3_csr_init(mtu);  in mtu3_start()
362 	mtu3_set_speed(mtu, mtu->speed);  in mtu3_start()
365 	mtu3_intr_enable(mtu);  in mtu3_start()
366 	mtu->is_active = 1;  in mtu3_start()
368 	if (mtu->softconnect)  in mtu3_start()
369 		mtu3_dev_on_off(mtu, 1);  in mtu3_start()
372 void mtu3_stop(struct mtu3 *mtu)  in mtu3_stop()  argument
374 	dev_dbg(mtu->dev, "%s\n", __func__);  in mtu3_stop()
376 	mtu3_intr_disable(mtu);  in mtu3_stop()
378 	if (mtu->softconnect)  in mtu3_stop()
379 		mtu3_dev_on_off(mtu, 0);  in mtu3_stop()
381 	mtu->is_active = 0;  in mtu3_stop()
382 	mtu3_dev_power_down(mtu);  in mtu3_stop()
385 static void mtu3_dev_suspend(struct mtu3 *mtu)  in mtu3_dev_suspend()  argument
387 	if (!mtu->is_active)  in mtu3_dev_suspend()
390 	mtu3_intr_disable(mtu);  in mtu3_dev_suspend()
391 	mtu3_dev_power_down(mtu);  in mtu3_dev_suspend()
394 static void mtu3_dev_resume(struct mtu3 *mtu)  in mtu3_dev_resume()  argument
396 	if (!mtu->is_active)  in mtu3_dev_resume()
399 	mtu3_dev_power_on(mtu);  in mtu3_dev_resume()
400 	mtu3_intr_enable(mtu);  in mtu3_dev_resume()
404 int mtu3_config_ep(struct mtu3 *mtu, struct mtu3_ep *mep,  in mtu3_config_ep()  argument
407 	void __iomem *mbase = mtu->mac_base;  in mtu3_config_ep()
408 	bool gen2cp = mtu->gen2cp;  in mtu3_config_ep()
416 		dev_err(mtu->dev, "alloc ep fifo failed(%d)\n", mep->maxp);  in mtu3_config_ep()
420 	dev_dbg(mtu->dev, "%s fifosz: %x(%x/%x)\n", __func__, fifo_sgsz,  in mtu3_config_ep()
455 		dev_dbg(mtu->dev, "U3D_TX%d CSR0:%#x, CSR1:%#x, CSR2:%#x\n",  in mtu3_config_ep()
491 		dev_dbg(mtu->dev, "U3D_RX%d CSR0:%#x, CSR1:%#x, CSR2:%#x\n",  in mtu3_config_ep()
497 	dev_dbg(mtu->dev, "csr0:%#x, csr1:%#x, csr2:%#x\n", csr0, csr1, csr2);  in mtu3_config_ep()
498 	dev_dbg(mtu->dev, "%s: %s, fifo-addr:%#x, fifo-size:%#x(%#x/%#x)\n",  in mtu3_config_ep()
506 void mtu3_deconfig_ep(struct mtu3 *mtu, struct mtu3_ep *mep)  in mtu3_deconfig_ep()  argument
508 	void __iomem *mbase = mtu->mac_base;  in mtu3_deconfig_ep()
526 	dev_dbg(mtu->dev, "%s: %s\n", __func__, mep->name);  in mtu3_deconfig_ep()
541 static void get_ep_fifo_config(struct mtu3 *mtu)  in get_ep_fifo_config()  argument
547 	if (mtu->separate_fifo) {  in get_ep_fifo_config()
548 		fifosize = mtu3_readl(mtu->mac_base, U3D_CAP_EPNTXFFSZ);  in get_ep_fifo_config()
549 		tx_fifo = &mtu->tx_fifo;  in get_ep_fifo_config()
554 		fifosize = mtu3_readl(mtu->mac_base, U3D_CAP_EPNRXFFSZ);  in get_ep_fifo_config()
555 		rx_fifo = &mtu->rx_fifo;  in get_ep_fifo_config()
559 		mtu->slot = MTU3_U3_IP_SLOT_DEFAULT;  in get_ep_fifo_config()
561 		fifosize = mtu3_readl(mtu->mac_base, U3D_CAP_EPNTXFFSZ);  in get_ep_fifo_config()
562 		tx_fifo = &mtu->tx_fifo;  in get_ep_fifo_config()
567 		rx_fifo = &mtu->rx_fifo;  in get_ep_fifo_config()
572 		mtu->slot = MTU3_U2_IP_SLOT_DEFAULT;  in get_ep_fifo_config()
575 	dev_dbg(mtu->dev, "%s, TX: base-%d, limit-%d; RX: base-%d, limit-%d\n",  in get_ep_fifo_config()
580 static void mtu3_ep0_setup(struct mtu3 *mtu)  in mtu3_ep0_setup()  argument
582 	u32 maxpacket = mtu->g.ep0->maxpacket;  in mtu3_ep0_setup()
585 	dev_dbg(mtu->dev, "%s maxpacket: %d\n", __func__, maxpacket);  in mtu3_ep0_setup()
587 	csr = mtu3_readl(mtu->mac_base, U3D_EP0CSR);  in mtu3_ep0_setup()
591 	mtu3_writel(mtu->mac_base, U3D_EP0CSR, csr);  in mtu3_ep0_setup()
594 	mtu3_writel(mtu->mac_base, U3D_EPIESR, EP0ISR | SETUPENDISR);  in mtu3_ep0_setup()
597 static int mtu3_mem_alloc(struct mtu3 *mtu)  in mtu3_mem_alloc()  argument
599 	void __iomem *mbase = mtu->mac_base;  in mtu3_mem_alloc()
610 	dev_info(mtu->dev, "fifosz/epnum: Tx=%#x/%d, Rx=%#x/%d\n",  in mtu3_mem_alloc()
615 	mtu->num_eps = min(in_ep_num, out_ep_num) + 1;  in mtu3_mem_alloc()
616 	ep_array = kcalloc(mtu->num_eps * 2, sizeof(*ep_array), GFP_KERNEL);  in mtu3_mem_alloc()
620 	mtu->ep_array = ep_array;  in mtu3_mem_alloc()
621 	mtu->in_eps = ep_array;  in mtu3_mem_alloc()
622 	mtu->out_eps = &ep_array[mtu->num_eps];  in mtu3_mem_alloc()
624 	mtu->ep0 = mtu->in_eps;  in mtu3_mem_alloc()
625 	mtu->ep0->mtu = mtu;  in mtu3_mem_alloc()
626 	mtu->ep0->epnum = 0;  in mtu3_mem_alloc()
628 	for (i = 1; i < mtu->num_eps; i++) {  in mtu3_mem_alloc()
629 		struct mtu3_ep *mep = mtu->in_eps + i;  in mtu3_mem_alloc()
631 		mep->fifo = &mtu->tx_fifo;  in mtu3_mem_alloc()
632 		mep = mtu->out_eps + i;  in mtu3_mem_alloc()
633 		mep->fifo = &mtu->rx_fifo;  in mtu3_mem_alloc()
636 	get_ep_fifo_config(mtu);  in mtu3_mem_alloc()
638 	ret = mtu3_qmu_init(mtu);  in mtu3_mem_alloc()
640 		kfree(mtu->ep_array);  in mtu3_mem_alloc()
645 static void mtu3_mem_free(struct mtu3 *mtu)  in mtu3_mem_free()  argument
647 	mtu3_qmu_exit(mtu);  in mtu3_mem_free()
648 	kfree(mtu->ep_array);  in mtu3_mem_free()
651 static void mtu3_regs_init(struct mtu3 *mtu)  in mtu3_regs_init()  argument
653 	void __iomem *mbase = mtu->mac_base;  in mtu3_regs_init()
656 	mtu3_intr_disable(mtu);  in mtu3_regs_init()
658 	mtu3_csr_init(mtu);  in mtu3_regs_init()
665 	if (mtu->gen2cp)  in mtu3_regs_init()
669 static irqreturn_t mtu3_link_isr(struct mtu3 *mtu)  in mtu3_link_isr()  argument
671 	void __iomem *mbase = mtu->mac_base;  in mtu3_link_isr()
680 	dev_dbg(mtu->dev, "=== LINK[%x] ===\n", link);  in mtu3_link_isr()
716 	dev_dbg(mtu->dev, "%s: %s\n", __func__, usb_speed_string(udev_speed));  in mtu3_link_isr()
717 	mtu3_dbg_trace(mtu->dev, "link speed %s",  in mtu3_link_isr()
720 	mtu->g.speed = udev_speed;  in mtu3_link_isr()
721 	mtu->g.ep0->maxpacket = maxpkt;  in mtu3_link_isr()
722 	mtu->ep0_state = MU3D_EP0_STATE_SETUP;  in mtu3_link_isr()
723 	mtu->connected = !!(udev_speed != USB_SPEED_UNKNOWN);  in mtu3_link_isr()
726 		mtu3_gadget_disconnect(mtu);  in mtu3_link_isr()
727 		pm_runtime_put(mtu->dev);  in mtu3_link_isr()
729 		pm_runtime_get(mtu->dev);  in mtu3_link_isr()
730 		mtu3_ep0_setup(mtu);  in mtu3_link_isr()
736 static irqreturn_t mtu3_u3_ltssm_isr(struct mtu3 *mtu)  in mtu3_u3_ltssm_isr()  argument
738 	void __iomem *mbase = mtu->mac_base;  in mtu3_u3_ltssm_isr()
744 	dev_dbg(mtu->dev, "=== LTSSM[%x] ===\n", ltssm);  in mtu3_u3_ltssm_isr()
748 		mtu3_gadget_reset(mtu);  in mtu3_u3_ltssm_isr()
751 		mtu3_ss_func_set(mtu, false);  in mtu3_u3_ltssm_isr()
752 		mtu3_gadget_reset(mtu);  in mtu3_u3_ltssm_isr()
756 		mtu3_ss_func_set(mtu, true);  in mtu3_u3_ltssm_isr()
759 		mtu3_gadget_resume(mtu);  in mtu3_u3_ltssm_isr()
762 		mtu3_gadget_suspend(mtu);  in mtu3_u3_ltssm_isr()
767 static irqreturn_t mtu3_u2_common_isr(struct mtu3 *mtu)  in mtu3_u2_common_isr()  argument
769 	void __iomem *mbase = mtu->mac_base;  in mtu3_u2_common_isr()
775 	dev_dbg(mtu->dev, "=== U2COMM[%x] ===\n", u2comm);  in mtu3_u2_common_isr()
779 		mtu3_gadget_suspend(mtu);  in mtu3_u2_common_isr()
782 		mtu3_gadget_resume(mtu);  in mtu3_u2_common_isr()
785 		mtu3_gadget_reset(mtu);  in mtu3_u2_common_isr()
792 	struct mtu3 *mtu = (struct mtu3 *)data;  in mtu3_irq()  local
796 	spin_lock_irqsave(&mtu->lock, flags);  in mtu3_irq()
799 	level1 = mtu3_readl(mtu->mac_base, U3D_LV1ISR);  in mtu3_irq()
800 	level1 &= mtu3_readl(mtu->mac_base, U3D_LV1IER);  in mtu3_irq()
803 		mtu3_link_isr(mtu);  in mtu3_irq()
806 		mtu3_u2_common_isr(mtu);  in mtu3_irq()
809 		mtu3_u3_ltssm_isr(mtu);  in mtu3_irq()
812 		mtu3_ep0_isr(mtu);  in mtu3_irq()
815 		mtu3_qmu_isr(mtu);  in mtu3_irq()
817 	spin_unlock_irqrestore(&mtu->lock, flags);  in mtu3_irq()
822 static void mtu3_check_params(struct mtu3 *mtu)  in mtu3_check_params()  argument
825 	if (mtu->u3_capable && (mtu->ssusb->u3p_dis_msk & BIT(0)))  in mtu3_check_params()
826 		mtu->u3_capable = 0;  in mtu3_check_params()
829 	switch (mtu->max_speed) {  in mtu3_check_params()
836 		dev_err(mtu->dev, "invalid max_speed: %s\n",  in mtu3_check_params()
837 			usb_speed_string(mtu->max_speed));  in mtu3_check_params()
841 		mtu->max_speed = USB_SPEED_SUPER_PLUS;  in mtu3_check_params()
845 	if (!mtu->u3_capable && (mtu->max_speed > USB_SPEED_HIGH))  in mtu3_check_params()
846 		mtu->max_speed = USB_SPEED_HIGH;  in mtu3_check_params()
848 	mtu->speed = mtu->max_speed;  in mtu3_check_params()
850 	dev_info(mtu->dev, "max_speed: %s\n",  in mtu3_check_params()
851 		 usb_speed_string(mtu->max_speed));  in mtu3_check_params()
854 static int mtu3_hw_init(struct mtu3 *mtu)  in mtu3_hw_init()  argument
859 	value = mtu3_readl(mtu->ippc_base, U3D_SSUSB_IP_TRUNK_VERS);  in mtu3_hw_init()
860 	mtu->hw_version = IP_TRUNK_VERS(value);  in mtu3_hw_init()
861 	mtu->gen2cp = !!(mtu->hw_version >= MTU3_TRUNK_VERS_1003);  in mtu3_hw_init()
863 	value = mtu3_readl(mtu->ippc_base, U3D_SSUSB_IP_DEV_CAP);  in mtu3_hw_init()
864 	mtu->u3_capable = !!SSUSB_IP_DEV_U3_PORT_NUM(value);  in mtu3_hw_init()
866 	mtu->separate_fifo = mtu->u3_capable;  in mtu3_hw_init()
868 	dev_info(mtu->dev, "IP version 0x%x(%s IP)\n", mtu->hw_version,  in mtu3_hw_init()
869 		mtu->u3_capable ? "U3" : "U2");  in mtu3_hw_init()
871 	mtu3_check_params(mtu);  in mtu3_hw_init()
873 	mtu3_device_reset(mtu);  in mtu3_hw_init()
875 	ret = mtu3_device_enable(mtu);  in mtu3_hw_init()
877 		dev_err(mtu->dev, "device enable failed %d\n", ret);  in mtu3_hw_init()
881 	ret = mtu3_mem_alloc(mtu);  in mtu3_hw_init()
885 	mtu3_regs_init(mtu);  in mtu3_hw_init()
890 static void mtu3_hw_exit(struct mtu3 *mtu)  in mtu3_hw_exit()  argument
892 	mtu3_device_disable(mtu);  in mtu3_hw_exit()
893 	mtu3_mem_free(mtu);  in mtu3_hw_exit()
900 static int mtu3_set_dma_mask(struct mtu3 *mtu)  in mtu3_set_dma_mask()  argument
902 	struct device *dev = mtu->dev;  in mtu3_set_dma_mask()
907 	value = mtu3_readl(mtu->mac_base, U3D_MISC_CTRL);  in mtu3_set_dma_mask()
926 	struct mtu3 *mtu = NULL;  in ssusb_gadget_init()  local
929 	mtu = devm_kzalloc(dev, sizeof(struct mtu3), GFP_KERNEL);  in ssusb_gadget_init()
930 	if (mtu == NULL)  in ssusb_gadget_init()
933 	mtu->irq = platform_get_irq_byname_optional(pdev, "device");  in ssusb_gadget_init()
934 	if (mtu->irq < 0) {  in ssusb_gadget_init()
935 		if (mtu->irq == -EPROBE_DEFER)  in ssusb_gadget_init()
936 			return mtu->irq;  in ssusb_gadget_init()
939 		mtu->irq = platform_get_irq(pdev, 0);  in ssusb_gadget_init()
940 		if (mtu->irq < 0)  in ssusb_gadget_init()
941 			return mtu->irq;  in ssusb_gadget_init()
943 	dev_info(dev, "irq %d\n", mtu->irq);  in ssusb_gadget_init()
945 	mtu->mac_base = devm_platform_ioremap_resource_byname(pdev, "mac");  in ssusb_gadget_init()
946 	if (IS_ERR(mtu->mac_base)) {  in ssusb_gadget_init()
948 		return PTR_ERR(mtu->mac_base);  in ssusb_gadget_init()
951 	spin_lock_init(&mtu->lock);  in ssusb_gadget_init()
952 	mtu->dev = dev;  in ssusb_gadget_init()
953 	mtu->ippc_base = ssusb->ippc_base;  in ssusb_gadget_init()
954 	ssusb->mac_base	= mtu->mac_base;  in ssusb_gadget_init()
955 	ssusb->u3d = mtu;  in ssusb_gadget_init()
956 	mtu->ssusb = ssusb;  in ssusb_gadget_init()
957 	mtu->max_speed = usb_get_maximum_speed(dev);  in ssusb_gadget_init()
960 		mtu->mac_base, mtu->ippc_base);  in ssusb_gadget_init()
962 	ret = mtu3_hw_init(mtu);  in ssusb_gadget_init()
968 	ret = mtu3_set_dma_mask(mtu);  in ssusb_gadget_init()
974 	ret = devm_request_threaded_irq(dev, mtu->irq, NULL, mtu3_irq,  in ssusb_gadget_init()
975 					IRQF_ONESHOT, dev_name(dev), mtu);  in ssusb_gadget_init()
977 		dev_err(dev, "request irq %d failed!\n", mtu->irq);  in ssusb_gadget_init()
982 	mtu3_stop(mtu);  in ssusb_gadget_init()
984 	ret = mtu3_gadget_setup(mtu);  in ssusb_gadget_init()
1001 	mtu3_hw_exit(mtu);  in ssusb_gadget_init()
1010 	struct mtu3 *mtu = ssusb->u3d;  in ssusb_gadget_exit()  local
1012 	mtu3_gadget_cleanup(mtu);  in ssusb_gadget_exit()
1014 	mtu3_hw_exit(mtu);  in ssusb_gadget_exit()
1019 	struct mtu3 *mtu = ssusb->u3d;  in ssusb_gadget_ip_sleep_check()  local
1022 	if (!mtu)  in ssusb_gadget_ip_sleep_check()
1026 	if (mtu->is_active && mtu->softconnect)  in ssusb_gadget_ip_sleep_check()
1035 	struct mtu3 *mtu = ssusb->u3d;  in ssusb_gadget_suspend()  local
1037 	if (!mtu->gadget_driver)  in ssusb_gadget_suspend()
1040 	if (mtu->connected)  in ssusb_gadget_suspend()
1043 	mtu3_dev_suspend(mtu);  in ssusb_gadget_suspend()
1044 	synchronize_irq(mtu->irq);  in ssusb_gadget_suspend()
1051 	struct mtu3 *mtu = ssusb->u3d;  in ssusb_gadget_resume()  local
1053 	if (!mtu->gadget_driver)  in ssusb_gadget_resume()
1056 	mtu3_dev_resume(mtu);  in ssusb_gadget_resume()