499     struct SerialDevice *port = NULL;  in UsbSerialDeviceAlloc()  local
506     port = (struct SerialDevice *)OsalMemCalloc(sizeof(*port));  in UsbSerialDeviceAlloc()
507     if (port == NULL) {  in UsbSerialDeviceAlloc()
511     if (OsalMutexInit(&port->lock) != HDF_SUCCESS) {  in UsbSerialDeviceAlloc()
513         OsalMemFree(port);  in UsbSerialDeviceAlloc()
516     port->lineCoding.dwDTERate = CPU_TO_LE32(DATARATE);  in UsbSerialDeviceAlloc()
517     port->lineCoding.bCharFormat = USB_CDC_1_STOP_BITS;  in UsbSerialDeviceAlloc()
518     port->lineCoding.bParityType = USB_CDC_NO_PARITY;  in UsbSerialDeviceAlloc()
519     port->lineCoding.bDataBits = DATA_BITS_LENGTH;  in UsbSerialDeviceAlloc()
520     acm->lineCoding = port->lineCoding;  in UsbSerialDeviceAlloc()
521     acm->port = port;  in UsbSerialDeviceAlloc()
522     port->acm = acm;  in UsbSerialDeviceAlloc()
529     struct SerialDevice *port = acm->port;  in UsbSeriaDevicelFree()  local
531     if (port == NULL) {  in UsbSeriaDevicelFree()
535     OsalMemFree(port);  in UsbSeriaDevicelFree()
536     port = NULL;  in UsbSeriaDevicelFree()
539 static int32_t UsbSerialRead(struct SerialDevice *port, struct HdfSBuf *reply)  in UsbSerialRead()  argument
541     struct AcmDevice *acm = port->acm;  in UsbSerialRead()
554     if (DataFifoIsEmpty(&port->readFifo)) {  in UsbSerialRead()
562     buf = (uint8_t *)OsalMemCalloc(DataFifoLen(&port->readFifo) + 1);  in UsbSerialRead()
569     len = DataFifoRead(&port->readFifo, buf, DataFifoLen(&port->readFifo));  in UsbSerialRead()
588 static int32_t SerialSetBaudrate(struct SerialDevice *port, const struct HdfSBuf *data)  in SerialSetBaudrate()  argument
590     struct AcmDevice *acm = port->acm;  in SerialSetBaudrate()
597     port->lineCoding.dwDTERate = CPU_TO_LE32(baudRate);  in SerialSetBaudrate()
598     if (memcmp(&acm->lineCoding, &port->lineCoding, sizeof(struct UsbCdcLineCoding))) {  in SerialSetBaudrate()
600 …memcpy_s(&acm->lineCoding, sizeof(struct UsbCdcLineCoding), &port->lineCoding, sizeof(port->lineCo…  in SerialSetBaudrate()
607             __func__, (port->lineCoding.dwDTERate), port->lineCoding.bCharFormat,  in SerialSetBaudrate()
608             port->lineCoding.bParityType, port->lineCoding.bDataBits);  in SerialSetBaudrate()
620 static int32_t SerialGetBaudrate(struct SerialDevice *port, struct HdfSBuf *reply)  in SerialGetBaudrate()  argument
622     uint32_t baudRate = LE32_TO_CPU(port->lineCoding.dwDTERate);  in SerialGetBaudrate()
634 static int32_t SerialOpen(struct SerialDevice *port, struct HdfSBuf *data)  in SerialOpen()  argument
640     if ((port == NULL) || (data == NULL)) {  in SerialOpen()
645     acm = port->acm;  in SerialOpen()
667     ret = UsbSerialAllocFifo(&port->readFifo, READ_BUF_SIZE);  in SerialOpen()
682     UsbSerialFreeFifo(&port->readFifo);  in SerialOpen()
686 static int32_t SerialClose(struct SerialDevice *port, struct HdfSBuf *data)  in SerialClose()  argument
690     if ((port == NULL) || (data == NULL)) {  in SerialClose()
695     if (port->acm == NULL) {  in SerialClose()
710     OsalMutexLock(&port->acm->readLock);  in SerialClose()
711     UsbSerialFreeFifo(&port->readFifo);  in SerialClose()
712     OsalMutexUnlock(&port->acm->readLock);  in SerialClose()
714     UsbSerialRelease(port->acm);  in SerialClose()
719 static int32_t SerialWrite(struct SerialDevice *port, struct HdfSBuf *data)  in SerialWrite()  argument
727     if (port == NULL) {  in SerialWrite()
731     acm = port->acm;  in SerialWrite()
794 static int32_t SerialWriteSync(const struct SerialDevice *port, const struct HdfSBuf *data)  in SerialWriteSync()  argument
802     if (port == NULL) {  in SerialWriteSync()
806     acm = port->acm;  in SerialWriteSync()
849 static int32_t UsbSerialReadSync(const struct SerialDevice *port, const struct HdfSBuf *reply)  in UsbSerialReadSync()  argument
853     struct AcmDevice *acm = port->acm;  in UsbSerialReadSync()
905 static int32_t SerialAddOrRemoveInterface(int32_t cmd, const struct SerialDevice *port, const struc…  in SerialAddOrRemoveInterface()  argument
908     (void)port;  in SerialAddOrRemoveInterface()
918     struct SerialDevice *port = NULL;  in UsbSerialDeviceDispatch()  local
936     port = acm->port;  in UsbSerialDeviceDispatch()
937     if (port == NULL) {  in UsbSerialDeviceDispatch()
942             return SerialOpen(port, data);  in UsbSerialDeviceDispatch()
944             return SerialClose(port, data);  in UsbSerialDeviceDispatch()
946             return SerialWrite(port, data);  in UsbSerialDeviceDispatch()
948             return UsbSerialRead(port, reply);  in UsbSerialDeviceDispatch()
950             return SerialGetBaudrate(port, reply);  in UsbSerialDeviceDispatch()
952             return SerialSetBaudrate(port, data);  in UsbSerialDeviceDispatch()
954             return SerialWriteSync(port, data);  in UsbSerialDeviceDispatch()
956             return UsbSerialReadSync(port, reply);  in UsbSerialDeviceDispatch()
959             return SerialAddOrRemoveInterface(cmd, port, data);  in UsbSerialDeviceDispatch()
1124     if (acm == NULL || acm->port == NULL) {  in AcmReadBulkCallback()
1138         if (DataFifoIsFull(&acm->port->readFifo)) {  in AcmReadBulkCallback()
1139             DataFifoSkip(&acm->port->readFifo, size);  in AcmReadBulkCallback()
1141         uint32_t count = DataFifoWrite(&acm->port->readFifo, data, size);  in AcmReadBulkCallback()