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()
1694 	struct edgeport_serial *edge_serial = usb_get_serial_data(port->serial);  in edge_break()  local
1697 	if (!edge_serial->is_epic ||  in edge_break()
1698 	    edge_serial->epic_descriptor.Supports.IOSPChase) {  in edge_break()
1712 	if (!edge_serial->is_epic ||  in edge_break()
1713 	    edge_serial->epic_descriptor.Supports.IOSPSetClrBreak) {  in edge_break()
1734 static void process_rcvd_data(struct edgeport_serial *edge_serial,  in process_rcvd_data()  argument
1737 	struct device *dev = &edge_serial->serial->dev->dev;  in process_rcvd_data()
1753 		switch (edge_serial->rxState) {  in process_rcvd_data()
1755 			edge_serial->rxHeader1 = *buffer;  in process_rcvd_data()
1760 				edge_serial->rxState = EXPECT_HDR2;  in process_rcvd_data()
1765 			edge_serial->rxHeader2 = *buffer;  in process_rcvd_data()
1770 				edge_serial->rxHeader1, edge_serial->rxHeader2);  in process_rcvd_data()
1774 			if (IS_CMD_STAT_HDR(edge_serial->rxHeader1)) {  in process_rcvd_data()
1779 				edge_serial->rxPort =  in process_rcvd_data()
1780 				    IOSP_GET_HDR_PORT(edge_serial->rxHeader1);  in process_rcvd_data()
1781 				edge_serial->rxStatusCode =  in process_rcvd_data()
1783 						edge_serial->rxHeader1);  in process_rcvd_data()
1786 						edge_serial->rxStatusCode)) {  in process_rcvd_data()
1791 					edge_serial->rxStatusParam  in process_rcvd_data()
1792 						= edge_serial->rxHeader2;  in process_rcvd_data()
1793 					edge_serial->rxState = EXPECT_HDR3;  in process_rcvd_data()
1798 				process_rcvd_status(edge_serial,  in process_rcvd_data()
1799 						edge_serial->rxHeader2, 0);  in process_rcvd_data()
1800 				edge_serial->rxState = EXPECT_HDR1;  in process_rcvd_data()
1803 				edge_serial->rxPort =  in process_rcvd_data()
1804 				    IOSP_GET_HDR_PORT(edge_serial->rxHeader1);  in process_rcvd_data()
1805 				edge_serial->rxBytesRemaining =  in process_rcvd_data()
1807 						edge_serial->rxHeader1,  in process_rcvd_data()
1808 						edge_serial->rxHeader2);  in process_rcvd_data()
1811 					edge_serial->rxPort,  in process_rcvd_data()
1812 					edge_serial->rxBytesRemaining);  in process_rcvd_data()
1820 					edge_serial->rxState = EXPECT_DATA;  in process_rcvd_data()
1826 			if (bufferLength < edge_serial->rxBytesRemaining) {  in process_rcvd_data()
1829 				edge_serial->rxState = EXPECT_DATA;  in process_rcvd_data()
1832 				rxLen = edge_serial->rxBytesRemaining;  in process_rcvd_data()
1834 				edge_serial->rxState = EXPECT_HDR1;  in process_rcvd_data()
1838 			edge_serial->rxBytesRemaining -= rxLen;  in process_rcvd_data()
1843 				port = edge_serial->serial->port[  in process_rcvd_data()
1844 							edge_serial->rxPort];  in process_rcvd_data()
1849 						edge_serial->rxPort);  in process_rcvd_data()
1859 			edge_serial->rxHeader3 = *buffer;  in process_rcvd_data()
1865 			process_rcvd_status(edge_serial,  in process_rcvd_data()
1866 				edge_serial->rxStatusParam,  in process_rcvd_data()
1867 				edge_serial->rxHeader3);  in process_rcvd_data()
1868 			edge_serial->rxState = EXPECT_HDR1;  in process_rcvd_data()
1880 static void process_rcvd_status(struct edgeport_serial *edge_serial,  in process_rcvd_status()  argument
1887 	__u8 code = edge_serial->rxStatusCode;  in process_rcvd_status()
1890 	port = edge_serial->serial->port[edge_serial->rxPort];  in process_rcvd_status()
1893 		dev_err(&edge_serial->serial->dev->dev,  in process_rcvd_status()
1895 					__func__, edge_serial->rxPort);  in process_rcvd_status()
1906 				__func__, edge_serial->rxPort, byte3);  in process_rcvd_status()
1922 				__func__, edge_serial->rxPort, byte3);  in process_rcvd_status()
1932 			__func__, edge_serial->rxPort, byte2, edge_port->txCredits);  in process_rcvd_status()
1962 			__func__, edge_serial->rxPort, byte2);  in process_rcvd_status()
1968 			__func__, edge_serial->rxPort, byte2, byte3);  in process_rcvd_status()
1981 			__func__, edge_serial->rxPort, byte2);  in process_rcvd_status()
2261 	struct edgeport_serial *edge_serial =  in write_cmd_usb()  local
2278 	usb_fill_bulk_urb(urb, edge_serial->serial->dev,  in write_cmd_usb()
2279 			usb_sndbulkpipe(edge_serial->serial->dev,  in write_cmd_usb()
2280 					edge_serial->bulk_out_endpoint),  in write_cmd_usb()
2316 	struct edgeport_serial *edge_serial =  in send_cmd_write_baud_rate()  local
2326 	if (edge_serial->is_epic &&  in send_cmd_write_baud_rate()
2327 	    !edge_serial->epic_descriptor.Supports.IOSPSetBaudRate) {  in send_cmd_write_baud_rate()
2410 	struct edgeport_serial *edge_serial =  in send_cmd_write_uart_register()  local
2421 	if (edge_serial->is_epic &&  in send_cmd_write_uart_register()
2422 	    !edge_serial->epic_descriptor.Supports.IOSPWriteMCR &&  in send_cmd_write_uart_register()
2428 	if (edge_serial->is_epic &&  in send_cmd_write_uart_register()
2429 	    !edge_serial->epic_descriptor.Supports.IOSPWriteLCR &&  in send_cmd_write_uart_register()
2466 	struct edgeport_serial *edge_serial =  in change_port_settings()  local
2551 		if (!edge_serial->is_epic ||  in change_port_settings()
2552 		    edge_serial->epic_descriptor.Supports.IOSPSetXChar) {  in change_port_settings()
2579 	if (!edge_serial->is_epic ||  in change_port_settings()
2580 	    edge_serial->epic_descriptor.Supports.IOSPSetRxFlow)  in change_port_settings()
2582 	if (!edge_serial->is_epic ||  in change_port_settings()
2583 	    edge_serial->epic_descriptor.Supports.IOSPSetTxFlow)  in change_port_settings()
2655 static void get_manufacturing_desc(struct edgeport_serial *edge_serial)  in get_manufacturing_desc()  argument
2657 	struct device *dev = &edge_serial->serial->dev->dev;  in get_manufacturing_desc()
2662 	response = rom_read(edge_serial->serial,  in get_manufacturing_desc()
2666 				(__u8 *)(&edge_serial->manuf_descriptor));  in get_manufacturing_desc()
2675 			edge_serial->manuf_descriptor.RomSize);  in get_manufacturing_desc()
2677 			edge_serial->manuf_descriptor.RamSize);  in get_manufacturing_desc()
2679 			edge_serial->manuf_descriptor.CpuRev);  in get_manufacturing_desc()
2681 			edge_serial->manuf_descriptor.BoardRev);  in get_manufacturing_desc()
2683 			edge_serial->manuf_descriptor.NumPorts);  in get_manufacturing_desc()
2685 			edge_serial->manuf_descriptor.DescDate[0],  in get_manufacturing_desc()
2686 			edge_serial->manuf_descriptor.DescDate[1],  in get_manufacturing_desc()
2687 			edge_serial->manuf_descriptor.DescDate[2]+1900);  in get_manufacturing_desc()
2689 			edge_serial->manuf_descriptor.SerialNumber,  in get_manufacturing_desc()
2690 			edge_serial->manuf_descriptor.SerNumLength/2);  in get_manufacturing_desc()
2693 			edge_serial->manuf_descriptor.AssemblyNumber,  in get_manufacturing_desc()
2694 			edge_serial->manuf_descriptor.AssemblyNumLength/2);  in get_manufacturing_desc()
2697 		    edge_serial->manuf_descriptor.OemAssyNumber,  in get_manufacturing_desc()
2698 		    edge_serial->manuf_descriptor.OemAssyNumLength/2);  in get_manufacturing_desc()
2701 			edge_serial->manuf_descriptor.UartType);  in get_manufacturing_desc()
2703 			edge_serial->manuf_descriptor.IonPid);  in get_manufacturing_desc()
2705 			edge_serial->manuf_descriptor.IonConfig);  in get_manufacturing_desc()
2715 static void get_boot_desc(struct edgeport_serial *edge_serial)  in get_boot_desc()  argument
2717 	struct device *dev = &edge_serial->serial->dev->dev;  in get_boot_desc()
2722 	response = rom_read(edge_serial->serial,  in get_boot_desc()
2726 				(__u8 *)(&edge_serial->boot_descriptor));  in get_boot_desc()
2734 			le16_to_cpu(edge_serial->boot_descriptor.BootCodeLength));  in get_boot_desc()
2736 			edge_serial->boot_descriptor.MajorVersion);  in get_boot_desc()
2738 			edge_serial->boot_descriptor.MinorVersion);  in get_boot_desc()
2740 			le16_to_cpu(edge_serial->boot_descriptor.BuildNumber));  in get_boot_desc()
2742 		      le16_to_cpu(edge_serial->boot_descriptor.Capabilities));  in get_boot_desc()
2744 			edge_serial->boot_descriptor.UConfig0);  in get_boot_desc()
2746 			edge_serial->boot_descriptor.UConfig1);  in get_boot_desc()
2755 static void load_application_firmware(struct edgeport_serial *edge_serial)  in load_application_firmware()  argument
2757 	struct device *dev = &edge_serial->serial->dev->dev;  in load_application_firmware()
2766 	switch (edge_serial->product_info.iDownloadFile) {  in load_application_firmware()
2786 				    &edge_serial->serial->dev->dev);  in load_application_firmware()
2798 	edge_serial->product_info.FirmwareMajorVersion = rec->data[0];  in load_application_firmware()
2799 	edge_serial->product_info.FirmwareMinorVersion = rec->data[1];  in load_application_firmware()
2800 	edge_serial->product_info.FirmwareBuildNumber = cpu_to_le16(build);  in load_application_firmware()
2805 		response = sram_write(edge_serial->serial,  in load_application_firmware()
2811 			dev_err(&edge_serial->serial->dev->dev,  in load_application_firmware()
2820 	response = usb_control_msg (edge_serial->serial->dev,  in load_application_firmware()
2821 				    usb_sndctrlpipe(edge_serial->serial->dev, 0),  in load_application_firmware()
2834 	struct edgeport_serial *edge_serial;  in edge_startup()  local
2849 	edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL);  in edge_startup()
2850 	if (!edge_serial)  in edge_startup()
2853 	spin_lock_init(&edge_serial->es_lock);  in edge_startup()
2854 	edge_serial->serial = serial;  in edge_startup()
2855 	usb_set_serial_data(serial, edge_serial);  in edge_startup()
2859 	    &edge_serial->name[0], MAX_NAME_LEN+1);  in edge_startup()
2862 	edge_serial->name[i++] = ' ';  in edge_startup()
2864 	    &edge_serial->name[i], MAX_NAME_LEN+2 - i);  in edge_startup()
2866 	dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name);  in edge_startup()
2869 	if (get_epic_descriptor(edge_serial) < 0) {  in edge_startup()
2871 		memcpy(&edge_serial->epic_descriptor.Supports, descriptor,  in edge_startup()
2875 		get_manufacturing_desc(edge_serial);  in edge_startup()
2878 		get_boot_desc(edge_serial);  in edge_startup()
2880 		get_product_info(edge_serial);  in edge_startup()
2885 	if ((!edge_serial->is_epic) &&  in edge_startup()
2886 	    (edge_serial->product_info.NumPorts != serial->num_ports)) {  in edge_startup()
2889 			 edge_serial->product_info.NumPorts,  in edge_startup()
2896 	if (!edge_serial->is_epic) {  in edge_startup()
2898 		load_application_firmware(edge_serial);  in edge_startup()
2903 		update_edgeport_E2PROM(edge_serial);  in edge_startup()
2912 	    edge_serial->product_info.FirmwareMajorVersion,  in edge_startup()
2913 	    edge_serial->product_info.FirmwareMinorVersion,  in edge_startup()
2914 	    le16_to_cpu(edge_serial->product_info.FirmwareBuildNumber));  in edge_startup()
2921 	if (edge_serial->is_epic) {  in edge_startup()
2939 				edge_serial->interrupt_read_urb =  in edge_startup()
2941 				if (!edge_serial->interrupt_read_urb) {  in edge_startup()
2946 				edge_serial->interrupt_in_buffer =  in edge_startup()
2948 				if (!edge_serial->interrupt_in_buffer) {  in edge_startup()
2952 				edge_serial->interrupt_in_endpoint =  in edge_startup()
2957 					edge_serial->interrupt_read_urb,  in edge_startup()
2961 					edge_serial->interrupt_in_buffer,  in edge_startup()
2964 					edge_serial,  in edge_startup()
2976 				edge_serial->read_urb =  in edge_startup()
2978 				if (!edge_serial->read_urb) {  in edge_startup()
2983 				edge_serial->bulk_in_buffer =  in edge_startup()
2985 				if (!edge_serial->bulk_in_buffer) {  in edge_startup()
2989 				edge_serial->bulk_in_endpoint =  in edge_startup()
2993 				usb_fill_bulk_urb(edge_serial->read_urb, dev,  in edge_startup()
2996 					edge_serial->bulk_in_buffer,  in edge_startup()
2999 					edge_serial);  in edge_startup()
3007 				edge_serial->bulk_out_endpoint =  in edge_startup()
3020 			usb_free_urb(edge_serial->interrupt_read_urb);  in edge_startup()
3021 			kfree(edge_serial->interrupt_in_buffer);  in edge_startup()
3023 			usb_free_urb(edge_serial->read_urb);  in edge_startup()
3024 			kfree(edge_serial->bulk_in_buffer);  in edge_startup()
3026 			kfree(edge_serial);  in edge_startup()
3033 		response = usb_submit_urb(edge_serial->interrupt_read_urb,  in edge_startup()
3049 	struct edgeport_serial *edge_serial = usb_get_serial_data(serial);  in edge_disconnect()  local
3051 	if (edge_serial->is_epic) {  in edge_disconnect()
3052 		usb_kill_urb(edge_serial->interrupt_read_urb);  in edge_disconnect()
3053 		usb_kill_urb(edge_serial->read_urb);  in edge_disconnect()
3064 	struct edgeport_serial *edge_serial = usb_get_serial_data(serial);  in edge_release()  local
3066 	if (edge_serial->is_epic) {  in edge_release()
3067 		usb_kill_urb(edge_serial->interrupt_read_urb);  in edge_release()
3068 		usb_free_urb(edge_serial->interrupt_read_urb);  in edge_release()
3069 		kfree(edge_serial->interrupt_in_buffer);  in edge_release()
3071 		usb_kill_urb(edge_serial->read_urb);  in edge_release()
3072 		usb_free_urb(edge_serial->read_urb);  in edge_release()
3073 		kfree(edge_serial->bulk_in_buffer);  in edge_release()
3076 	kfree(edge_serial);  in edge_release()