300 static void  process_rcvd_data(struct edgeport_serial *edge_serial,
302 static void process_rcvd_status(struct edgeport_serial *edge_serial,
321 static void send_more_port_data(struct edgeport_serial *edge_serial,
330 static void get_manufacturing_desc(struct edgeport_serial *edge_serial);
331 static void get_boot_desc(struct edgeport_serial *edge_serial);
332 static void load_application_firmware(struct edgeport_serial *edge_serial);
351 static void update_edgeport_E2PROM(struct edgeport_serial *edge_serial)  in update_edgeport_E2PROM()  argument
353 	struct device *dev = &edge_serial->serial->dev->dev;  in update_edgeport_E2PROM()
365 	switch (edge_serial->product_info.iDownloadFile) {  in update_edgeport_E2PROM()
377 					 &edge_serial->serial->dev->dev);  in update_edgeport_E2PROM()
390 	BootCurVer = (edge_serial->boot_descriptor.MajorVersion << 24) +  in update_edgeport_E2PROM()
391 		     (edge_serial->boot_descriptor.MinorVersion << 16) +  in update_edgeport_E2PROM()
392 		      le16_to_cpu(edge_serial->boot_descriptor.BuildNumber);  in update_edgeport_E2PROM()
399 	    edge_serial->boot_descriptor.MajorVersion,  in update_edgeport_E2PROM()
400 	    edge_serial->boot_descriptor.MinorVersion,  in update_edgeport_E2PROM()
401 	    le16_to_cpu(edge_serial->boot_descriptor.BuildNumber));  in update_edgeport_E2PROM()
406 		    edge_serial->boot_descriptor.MajorVersion,  in update_edgeport_E2PROM()
407 		    edge_serial->boot_descriptor.MinorVersion,  in update_edgeport_E2PROM()
408 		    le16_to_cpu(edge_serial->boot_descriptor.BuildNumber),  in update_edgeport_E2PROM()
416 			response = rom_write(edge_serial->serial,  in update_edgeport_E2PROM()
422 				dev_err(&edge_serial->serial->dev->dev,  in update_edgeport_E2PROM()
468 static void dump_product_info(struct edgeport_serial *edge_serial,  in dump_product_info()  argument
471 	struct device *dev = &edge_serial->serial->dev->dev;  in dump_product_info()
503 static void get_product_info(struct edgeport_serial *edge_serial)  in get_product_info()  argument
505 	struct edgeport_product_info *product_info = &edge_serial->product_info;  in get_product_info()
509 …product_info->ProductId = (__u16)(le16_to_cpu(edge_serial->serial->dev->descriptor.idProduct) & ~I…  in get_product_info()
510 	product_info->NumPorts = edge_serial->manuf_descriptor.NumPorts;  in get_product_info()
513 	product_info->RomSize = edge_serial->manuf_descriptor.RomSize;  in get_product_info()
514 	product_info->RamSize = edge_serial->manuf_descriptor.RamSize;  in get_product_info()
515 	product_info->CpuRev = edge_serial->manuf_descriptor.CpuRev;  in get_product_info()
516 	product_info->BoardRev = edge_serial->manuf_descriptor.BoardRev;  in get_product_info()
519 				edge_serial->boot_descriptor.MajorVersion;  in get_product_info()
521 				edge_serial->boot_descriptor.MinorVersion;  in get_product_info()
523 				edge_serial->boot_descriptor.BuildNumber;  in get_product_info()
526 			edge_serial->manuf_descriptor.DescDate,  in get_product_info()
527 			sizeof(edge_serial->manuf_descriptor.DescDate));  in get_product_info()
530 	if (le16_to_cpu(edge_serial->serial->dev->descriptor.idProduct)  in get_product_info()
563 	dump_product_info(edge_serial, product_info);  in get_product_info()
645 	struct edgeport_serial *edge_serial = urb->context;  in edge_interrupt_callback()  local
674 	dev = &edge_serial->serial->dev->dev;  in edge_interrupt_callback()
683 				spin_lock_irqsave(&edge_serial->es_lock, flags);  in edge_interrupt_callback()
684 				edge_serial->rxBytesAvail += bytes_avail;  in edge_interrupt_callback()
688 					edge_serial->rxBytesAvail,  in edge_interrupt_callback()
689 					edge_serial->read_in_progress);  in edge_interrupt_callback()
691 				if (edge_serial->rxBytesAvail > 0 &&  in edge_interrupt_callback()
692 				    !edge_serial->read_in_progress) {  in edge_interrupt_callback()
694 					edge_serial->read_in_progress = true;  in edge_interrupt_callback()
698 					result = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC);  in edge_interrupt_callback()
703 						edge_serial->read_in_progress = false;  in edge_interrupt_callback()
706 				spin_unlock_irqrestore(&edge_serial->es_lock,  in edge_interrupt_callback()
714 				(portNumber < edge_serial->serial->num_ports)) {  in edge_interrupt_callback()
717 				port = edge_serial->serial->port[portNumber];  in edge_interrupt_callback()
734 					send_more_port_data(edge_serial,  in edge_interrupt_callback()
759 	struct edgeport_serial	*edge_serial = urb->context;  in edge_bulk_in_callback()  local
770 		edge_serial->read_in_progress = false;  in edge_bulk_in_callback()
776 		edge_serial->read_in_progress = false;  in edge_bulk_in_callback()
780 	dev = &edge_serial->serial->dev->dev;  in edge_bulk_in_callback()
785 	spin_lock_irqsave(&edge_serial->es_lock, flags);  in edge_bulk_in_callback()
788 	edge_serial->rxBytesAvail -= raw_data_length;  in edge_bulk_in_callback()
791 		raw_data_length, edge_serial->rxBytesAvail);  in edge_bulk_in_callback()
793 	process_rcvd_data(edge_serial, data, urb->actual_length);  in edge_bulk_in_callback()
796 	if (edge_serial->rxBytesAvail > 0) {  in edge_bulk_in_callback()
798 		retval = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC);  in edge_bulk_in_callback()
803 			edge_serial->read_in_progress = false;  in edge_bulk_in_callback()
806 		edge_serial->read_in_progress = false;  in edge_bulk_in_callback()
809 	spin_unlock_irqrestore(&edge_serial->es_lock, flags);  in edge_bulk_in_callback()
894 	struct edgeport_serial *edge_serial;  in edge_open()  local
903 	edge_serial = usb_get_serial_data(serial);  in edge_open()
904 	if (edge_serial == NULL)  in edge_open()
906 	if (edge_serial->interrupt_in_buffer == NULL) {  in edge_open()
910 		edge_serial->interrupt_in_buffer =  in edge_open()
912 		edge_serial->interrupt_in_endpoint =  in edge_open()
914 		edge_serial->interrupt_read_urb = port0->interrupt_in_urb;  in edge_open()
915 		edge_serial->bulk_in_buffer = port0->bulk_in_buffer;  in edge_open()
916 		edge_serial->bulk_in_endpoint =  in edge_open()
918 		edge_serial->read_urb = port0->read_urb;  in edge_open()
919 		edge_serial->bulk_out_endpoint =  in edge_open()
923 		usb_fill_int_urb(edge_serial->interrupt_read_urb,  in edge_open()
928 		      edge_serial->interrupt_read_urb->transfer_buffer_length,  in edge_open()
929 		      edge_interrupt_callback, edge_serial,  in edge_open()
930 		      edge_serial->interrupt_read_urb->interval);  in edge_open()
933 		usb_fill_bulk_urb(edge_serial->read_urb, serial->dev,  in edge_open()
937 			edge_serial->read_urb->transfer_buffer_length,  in edge_open()
938 			edge_bulk_in_callback, edge_serial);  in edge_open()
939 		edge_serial->read_in_progress = false;  in edge_open()
944 		response = usb_submit_urb(edge_serial->interrupt_read_urb,  in edge_open()
1128 	struct edgeport_serial *edge_serial;  in edge_close()  local
1132 	edge_serial = usb_get_serial_data(port->serial);  in edge_close()
1134 	if (edge_serial == NULL || edge_port == NULL)  in edge_close()
1142 	if (!edge_serial->is_epic ||  in edge_close()
1143 	    edge_serial->epic_descriptor.Supports.IOSPChase) {  in edge_close()
1156 	if (!edge_serial->is_epic ||  in edge_close()
1157 	    edge_serial->epic_descriptor.Supports.IOSPClose) {  in edge_close()
1285 static void send_more_port_data(struct edgeport_serial *edge_serial,  in send_more_port_data()  argument
1364 	usb_fill_bulk_urb(urb, edge_serial->serial->dev,  in send_more_port_data()
1365 			usb_sndbulkpipe(edge_serial->serial->dev,  in send_more_port_data()
1366 					edge_serial->bulk_out_endpoint),  in send_more_port_data()
1685 	struct edgeport_serial *edge_serial = usb_get_serial_data(port->serial);  in edge_break()  local
1688 	if (!edge_serial->is_epic ||  in edge_break()
1689 	    edge_serial->epic_descriptor.Supports.IOSPChase) {  in edge_break()
1703 	if (!edge_serial->is_epic ||  in edge_break()
1704 	    edge_serial->epic_descriptor.Supports.IOSPSetClrBreak) {  in edge_break()
1725 static void process_rcvd_data(struct edgeport_serial *edge_serial,  in process_rcvd_data()  argument
1728 	struct device *dev = &edge_serial->serial->dev->dev;  in process_rcvd_data()
1744 		switch (edge_serial->rxState) {  in process_rcvd_data()
1746 			edge_serial->rxHeader1 = *buffer;  in process_rcvd_data()
1751 				edge_serial->rxState = EXPECT_HDR2;  in process_rcvd_data()
1756 			edge_serial->rxHeader2 = *buffer;  in process_rcvd_data()
1761 				edge_serial->rxHeader1, edge_serial->rxHeader2);  in process_rcvd_data()
1765 			if (IS_CMD_STAT_HDR(edge_serial->rxHeader1)) {  in process_rcvd_data()
1770 				edge_serial->rxPort =  in process_rcvd_data()
1771 				    IOSP_GET_HDR_PORT(edge_serial->rxHeader1);  in process_rcvd_data()
1772 				edge_serial->rxStatusCode =  in process_rcvd_data()
1774 						edge_serial->rxHeader1);  in process_rcvd_data()
1777 						edge_serial->rxStatusCode)) {  in process_rcvd_data()
1782 					edge_serial->rxStatusParam  in process_rcvd_data()
1783 						= edge_serial->rxHeader2;  in process_rcvd_data()
1784 					edge_serial->rxState = EXPECT_HDR3;  in process_rcvd_data()
1789 				process_rcvd_status(edge_serial,  in process_rcvd_data()
1790 						edge_serial->rxHeader2, 0);  in process_rcvd_data()
1791 				edge_serial->rxState = EXPECT_HDR1;  in process_rcvd_data()
1795 			edge_serial->rxPort = IOSP_GET_HDR_PORT(edge_serial->rxHeader1);  in process_rcvd_data()
1796 			edge_serial->rxBytesRemaining = IOSP_GET_HDR_DATA_LEN(edge_serial->rxHeader1,  in process_rcvd_data()
1797 									      edge_serial->rxHeader2);  in process_rcvd_data()
1799 				edge_serial->rxPort,  in process_rcvd_data()
1800 				edge_serial->rxBytesRemaining);  in process_rcvd_data()
1803 				edge_serial->rxState = EXPECT_DATA;  in process_rcvd_data()
1808 			if (bufferLength < edge_serial->rxBytesRemaining) {  in process_rcvd_data()
1811 				edge_serial->rxState = EXPECT_DATA;  in process_rcvd_data()
1814 				rxLen = edge_serial->rxBytesRemaining;  in process_rcvd_data()
1816 				edge_serial->rxState = EXPECT_HDR1;  in process_rcvd_data()
1820 			edge_serial->rxBytesRemaining -= rxLen;  in process_rcvd_data()
1825 				port = edge_serial->serial->port[  in process_rcvd_data()
1826 							edge_serial->rxPort];  in process_rcvd_data()
1831 						edge_serial->rxPort);  in process_rcvd_data()
1841 			edge_serial->rxHeader3 = *buffer;  in process_rcvd_data()
1847 			process_rcvd_status(edge_serial,  in process_rcvd_data()
1848 				edge_serial->rxStatusParam,  in process_rcvd_data()
1849 				edge_serial->rxHeader3);  in process_rcvd_data()
1850 			edge_serial->rxState = EXPECT_HDR1;  in process_rcvd_data()
1862 static void process_rcvd_status(struct edgeport_serial *edge_serial,  in process_rcvd_status()  argument
1869 	__u8 code = edge_serial->rxStatusCode;  in process_rcvd_status()
1872 	port = edge_serial->serial->port[edge_serial->rxPort];  in process_rcvd_status()
1875 		dev_err(&edge_serial->serial->dev->dev,  in process_rcvd_status()
1877 					__func__, edge_serial->rxPort);  in process_rcvd_status()
1888 				__func__, edge_serial->rxPort, byte3);  in process_rcvd_status()
1904 				__func__, edge_serial->rxPort, byte3);  in process_rcvd_status()
1914 			__func__, edge_serial->rxPort, byte2, edge_port->txCredits);  in process_rcvd_status()
1944 			__func__, edge_serial->rxPort, byte2);  in process_rcvd_status()
1950 			__func__, edge_serial->rxPort, byte2, byte3);  in process_rcvd_status()
1963 			__func__, edge_serial->rxPort, byte2);  in process_rcvd_status()
2243 	struct edgeport_serial *edge_serial =  in write_cmd_usb()  local
2260 	usb_fill_bulk_urb(urb, edge_serial->serial->dev,  in write_cmd_usb()
2261 			usb_sndbulkpipe(edge_serial->serial->dev,  in write_cmd_usb()
2262 					edge_serial->bulk_out_endpoint),  in write_cmd_usb()
2298 	struct edgeport_serial *edge_serial =  in send_cmd_write_baud_rate()  local
2308 	if (edge_serial->is_epic &&  in send_cmd_write_baud_rate()
2309 	    !edge_serial->epic_descriptor.Supports.IOSPSetBaudRate) {  in send_cmd_write_baud_rate()
2392 	struct edgeport_serial *edge_serial =  in send_cmd_write_uart_register()  local
2403 	if (edge_serial->is_epic &&  in send_cmd_write_uart_register()
2404 	    !edge_serial->epic_descriptor.Supports.IOSPWriteMCR &&  in send_cmd_write_uart_register()
2410 	if (edge_serial->is_epic &&  in send_cmd_write_uart_register()
2411 	    !edge_serial->epic_descriptor.Supports.IOSPWriteLCR &&  in send_cmd_write_uart_register()
2448 	struct edgeport_serial *edge_serial =  in change_port_settings()  local
2533 		if (!edge_serial->is_epic ||  in change_port_settings()
2534 		    edge_serial->epic_descriptor.Supports.IOSPSetXChar) {  in change_port_settings()
2561 	if (!edge_serial->is_epic ||  in change_port_settings()
2562 	    edge_serial->epic_descriptor.Supports.IOSPSetRxFlow)  in change_port_settings()
2564 	if (!edge_serial->is_epic ||  in change_port_settings()
2565 	    edge_serial->epic_descriptor.Supports.IOSPSetTxFlow)  in change_port_settings()
2637 static void get_manufacturing_desc(struct edgeport_serial *edge_serial)  in get_manufacturing_desc()  argument
2639 	struct device *dev = &edge_serial->serial->dev->dev;  in get_manufacturing_desc()
2644 	response = rom_read(edge_serial->serial,  in get_manufacturing_desc()
2648 				(__u8 *)(&edge_serial->manuf_descriptor));  in get_manufacturing_desc()
2657 			edge_serial->manuf_descriptor.RomSize);  in get_manufacturing_desc()
2659 			edge_serial->manuf_descriptor.RamSize);  in get_manufacturing_desc()
2661 			edge_serial->manuf_descriptor.CpuRev);  in get_manufacturing_desc()
2663 			edge_serial->manuf_descriptor.BoardRev);  in get_manufacturing_desc()
2665 			edge_serial->manuf_descriptor.NumPorts);  in get_manufacturing_desc()
2667 			edge_serial->manuf_descriptor.DescDate[0],  in get_manufacturing_desc()
2668 			edge_serial->manuf_descriptor.DescDate[1],  in get_manufacturing_desc()
2669 			edge_serial->manuf_descriptor.DescDate[2]+1900);  in get_manufacturing_desc()
2671 			edge_serial->manuf_descriptor.SerialNumber,  in get_manufacturing_desc()
2672 			edge_serial->manuf_descriptor.SerNumLength/2);  in get_manufacturing_desc()
2675 			edge_serial->manuf_descriptor.AssemblyNumber,  in get_manufacturing_desc()
2676 			edge_serial->manuf_descriptor.AssemblyNumLength/2);  in get_manufacturing_desc()
2679 		    edge_serial->manuf_descriptor.OemAssyNumber,  in get_manufacturing_desc()
2680 		    edge_serial->manuf_descriptor.OemAssyNumLength/2);  in get_manufacturing_desc()
2683 			edge_serial->manuf_descriptor.UartType);  in get_manufacturing_desc()
2685 			edge_serial->manuf_descriptor.IonPid);  in get_manufacturing_desc()
2687 			edge_serial->manuf_descriptor.IonConfig);  in get_manufacturing_desc()
2697 static void get_boot_desc(struct edgeport_serial *edge_serial)  in get_boot_desc()  argument
2699 	struct device *dev = &edge_serial->serial->dev->dev;  in get_boot_desc()
2704 	response = rom_read(edge_serial->serial,  in get_boot_desc()
2708 				(__u8 *)(&edge_serial->boot_descriptor));  in get_boot_desc()
2716 			le16_to_cpu(edge_serial->boot_descriptor.BootCodeLength));  in get_boot_desc()
2718 			edge_serial->boot_descriptor.MajorVersion);  in get_boot_desc()
2720 			edge_serial->boot_descriptor.MinorVersion);  in get_boot_desc()
2722 			le16_to_cpu(edge_serial->boot_descriptor.BuildNumber));  in get_boot_desc()
2724 		      le16_to_cpu(edge_serial->boot_descriptor.Capabilities));  in get_boot_desc()
2726 			edge_serial->boot_descriptor.UConfig0);  in get_boot_desc()
2728 			edge_serial->boot_descriptor.UConfig1);  in get_boot_desc()
2737 static void load_application_firmware(struct edgeport_serial *edge_serial)  in load_application_firmware()  argument
2739 	struct device *dev = &edge_serial->serial->dev->dev;  in load_application_firmware()
2748 	switch (edge_serial->product_info.iDownloadFile) {  in load_application_firmware()
2768 				    &edge_serial->serial->dev->dev);  in load_application_firmware()
2780 	edge_serial->product_info.FirmwareMajorVersion = rec->data[0];  in load_application_firmware()
2781 	edge_serial->product_info.FirmwareMinorVersion = rec->data[1];  in load_application_firmware()
2782 	edge_serial->product_info.FirmwareBuildNumber = cpu_to_le16(build);  in load_application_firmware()
2787 		response = sram_write(edge_serial->serial,  in load_application_firmware()
2793 			dev_err(&edge_serial->serial->dev->dev,  in load_application_firmware()
2802 	response = usb_control_msg (edge_serial->serial->dev,  in load_application_firmware()
2803 				    usb_sndctrlpipe(edge_serial->serial->dev, 0),  in load_application_firmware()
2816 	struct edgeport_serial *edge_serial;  in edge_startup()  local
2831 	edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);  in edge_startup()
2832 	if (!edge_serial)  in edge_startup()
2835 	spin_lock_init(&edge_serial->es_lock);  in edge_startup()
2836 	edge_serial->serial = serial;  in edge_startup()
2837 	usb_set_serial_data(serial, edge_serial);  in edge_startup()
2841 	    &edge_serial->name[0], MAX_NAME_LEN+1);  in edge_startup()
2844 	edge_serial->name[i++] = ' ';  in edge_startup()
2846 	    &edge_serial->name[i], MAX_NAME_LEN+2 - i);  in edge_startup()
2848 	dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name);  in edge_startup()
2851 	if (get_epic_descriptor(edge_serial) < 0) {  in edge_startup()
2853 		memcpy(&edge_serial->epic_descriptor.Supports, descriptor,  in edge_startup()
2857 		get_manufacturing_desc(edge_serial);  in edge_startup()
2860 		get_boot_desc(edge_serial);  in edge_startup()
2862 		get_product_info(edge_serial);  in edge_startup()
2867 	if ((!edge_serial->is_epic) &&  in edge_startup()
2868 	    (edge_serial->product_info.NumPorts != serial->num_ports)) {  in edge_startup()
2871 			 edge_serial->product_info.NumPorts,  in edge_startup()
2878 	if (!edge_serial->is_epic) {  in edge_startup()
2880 		load_application_firmware(edge_serial);  in edge_startup()
2885 		update_edgeport_E2PROM(edge_serial);  in edge_startup()
2894 	    edge_serial->product_info.FirmwareMajorVersion,  in edge_startup()
2895 	    edge_serial->product_info.FirmwareMinorVersion,  in edge_startup()
2896 	    le16_to_cpu(edge_serial->product_info.FirmwareBuildNumber));  in edge_startup()
2903 	if (edge_serial->is_epic) {  in edge_startup()
2921 				edge_serial->interrupt_read_urb =  in edge_startup()
2923 				if (!edge_serial->interrupt_read_urb) {  in edge_startup()
2928 				edge_serial->interrupt_in_buffer =  in edge_startup()
2930 				if (!edge_serial->interrupt_in_buffer) {  in edge_startup()
2934 				edge_serial->interrupt_in_endpoint =  in edge_startup()
2939 					edge_serial->interrupt_read_urb,  in edge_startup()
2943 					edge_serial->interrupt_in_buffer,  in edge_startup()
2946 					edge_serial,  in edge_startup()
2958 				edge_serial->read_urb =  in edge_startup()
2960 				if (!edge_serial->read_urb) {  in edge_startup()
2965 				edge_serial->bulk_in_buffer =  in edge_startup()
2967 				if (!edge_serial->bulk_in_buffer) {  in edge_startup()
2971 				edge_serial->bulk_in_endpoint =  in edge_startup()
2975 				usb_fill_bulk_urb(edge_serial->read_urb, dev,  in edge_startup()
2978 					edge_serial->bulk_in_buffer,  in edge_startup()
2981 					edge_serial);  in edge_startup()
2989 				edge_serial->bulk_out_endpoint =  in edge_startup()
3002 			usb_free_urb(edge_serial->interrupt_read_urb);  in edge_startup()
3003 			kfree(edge_serial->interrupt_in_buffer);  in edge_startup()
3005 			usb_free_urb(edge_serial->read_urb);  in edge_startup()
3006 			kfree(edge_serial->bulk_in_buffer);  in edge_startup()
3008 			kfree(edge_serial);  in edge_startup()
3015 		response = usb_submit_urb(edge_serial->interrupt_read_urb,  in edge_startup()
3031 	struct edgeport_serial *edge_serial = usb_get_serial_data(serial);  in edge_disconnect()  local
3033 	if (edge_serial->is_epic) {  in edge_disconnect()
3034 		usb_kill_urb(edge_serial->interrupt_read_urb);  in edge_disconnect()
3035 		usb_kill_urb(edge_serial->read_urb);  in edge_disconnect()
3046 	struct edgeport_serial *edge_serial = usb_get_serial_data(serial);  in edge_release()  local
3048 	if (edge_serial->is_epic) {  in edge_release()
3049 		usb_kill_urb(edge_serial->interrupt_read_urb);  in edge_release()
3050 		usb_free_urb(edge_serial->interrupt_read_urb);  in edge_release()
3051 		kfree(edge_serial->interrupt_in_buffer);  in edge_release()
3053 		usb_kill_urb(edge_serial->read_urb);  in edge_release()
3054 		usb_free_urb(edge_serial->read_urb);  in edge_release()
3055 		kfree(edge_serial->bulk_in_buffer);  in edge_release()
3058 	kfree(edge_serial);  in edge_release()