Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 137 insertions, 22 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 97cc87d654ce..2e06b90aa1f8 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -17,7 +17,7 @@
  * See Documentation/usb/usb-serial.txt for more information on using this
  * driver
  *
- * See http://ftdi-usb-sio.sourceforge.net for upto date testing info
+ * See http://ftdi-usb-sio.sourceforge.net for up to date testing info
  *      and extra documentation
  *
  * Change entries from 2004 and earlier can be found in versions of this
@@ -75,6 +75,7 @@ struct ftdi_private {
         unsigned long last_dtr_rts;     /* saved modem control outputs */
         wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */
         char prev_status, diff_status;        /* Used for TIOCMIWAIT */
+        char transmit_empty;    /* If transmitter is empty or not */
         struct usb_serial_port *port;
         __u16 interface;        /* FT2232C, FT2232H or FT4232H port interface
                                    (0 for FT232/245) */
@@ -99,6 +100,7 @@ struct ftdi_sio_quirk {
 static int   ftdi_jtag_probe(struct usb_serial *serial);
 static int   ftdi_mtxorb_hack_setup(struct usb_serial *serial);
 static int   ftdi_NDI_device_setup(struct usb_serial *serial);
+static int   ftdi_stmclite_probe(struct usb_serial *serial);
 static void  ftdi_USB_UIRT_setup(struct ftdi_private *priv);
 static void  ftdi_HE_TIRA1_setup(struct ftdi_private *priv);
 
@@ -122,6 +124,10 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
         .port_probe = ftdi_HE_TIRA1_setup,
 };
 
+static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
+        .probe  = ftdi_stmclite_probe,
+};
+
 /*
  * The 8U232AM has the same API as the sio except for:
  * - it can support MUCH higher baudrates; up to:
@@ -145,6 +151,8 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
  */
 static struct usb_device_id id_table_combined [] = {
+        { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
@@ -171,12 +179,14 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_232RL_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_SNIFFER_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_THROTTLE_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GATEWAY_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) },
         { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
         { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) },
@@ -200,6 +210,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_MTXORB_5_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MTXORB_6_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_R2000KU_TRUE_RNG) },
+        { USB_DEVICE(FTDI_VID, FTDI_VARDAAN_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0100_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0101_PID) },
         { USB_DEVICE(MTXORB_VID, MTXORB_FTDI_RANGE_0102_PID) },
@@ -517,6 +528,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
         { USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
         { USB_DEVICE(OCT_VID, OCT_US101_PID) },
+        { USB_DEVICE(OCT_VID, OCT_DK201_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_HE_TIRA1_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_HE_TIRA1_quirk },
         { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID),
@@ -555,6 +567,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_IBS_APP70_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
         /*
          * ELV devices:
          */
@@ -613,6 +626,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
         { USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
+        { USB_DEVICE(ACTON_VID, ACTON_SPECTRAPRO_PID) },
         { USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
         { USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
         { USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
@@ -634,6 +648,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, EVER_ECO_PRO_CDS) },
         { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_1_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_2_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_4N_GALAXY_DE_3_PID) },
         { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_0_PID) },
         { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_1_PID) },
         { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_2_PID) },
@@ -673,8 +688,17 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
-        { USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
-        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C2_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2D_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VT_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2VR_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVT_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP4KVR_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVT_PID) },
+        { USB_DEVICE(ICOM_VID, ICOM_ID_RP2KVR_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) },
@@ -696,6 +720,7 @@ static struct usb_device_id id_table_combined [] = {
                 .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk },
         { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) },
         { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_SERIAL_VX7_PID) },
+        { USB_DEVICE(RTSYSTEMS_VID, RTSYSTEMS_CT29B_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_MAXSTREAM_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_PHI_FISCO_PID) },
         { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) },
@@ -703,6 +728,8 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
         { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+        { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID),
@@ -715,8 +742,37 @@ static struct usb_device_id id_table_combined [] = {
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
         { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
+
+        /* Papouch devices based on FTDI chip */
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485_2_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AP485_2_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB422_2_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485S_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB485C_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_LEC_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SB232_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_IRAMP_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK5_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO8x8_PID) },
         { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x2_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO10x1_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO30x3_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO60x3_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO2x16_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO3x32_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_DRAK6_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_UPSUSB_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_MU_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_SIMUKEY_PID) },
         { USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMUX_PID) },
+        { USB_DEVICE(PAPOUCH_VID, PAPOUCH_GMSR_PID) },
+
         { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
         { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
@@ -737,6 +793,8 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
+        { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
+        { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
         { USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
         { USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
         { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
@@ -751,6 +809,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH4_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FTDI_VID, SEGWAY_RMP200_PID) },
+        { USB_DEVICE(FTDI_VID, ACCESIO_COM4SM_PID) },
         { USB_DEVICE(IONICS_VID, IONICS_PLUGCOMPUTER_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
         { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) },
@@ -761,6 +820,14 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MAXI_WING_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_MEDIA_WING_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_WING_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
+        { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+        { USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
+                .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
         { },                                    /* Optional parameter entry */
         { }                                     /* Terminating entry */
 };
@@ -782,7 +849,8 @@ static const char *ftdi_chip_name[] = {
         [FT2232C] = "FT2232C",
         [FT232RL] = "FT232RL",
         [FT2232H] = "FT2232H",
-        [FT4232H] = "FT4232H"
+        [FT4232H] = "FT4232H",
+        [FT232H]  = "FT232H"
 };
 
 
@@ -807,10 +875,10 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
                                                 void *dest, size_t size);
 static void ftdi_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios *old);
-static int  ftdi_tiocmget(struct tty_struct *tty, struct file *file);
-static int  ftdi_tiocmset(struct tty_struct *tty, struct file *file,
+static int  ftdi_tiocmget(struct tty_struct *tty);
+static int  ftdi_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear);
-static int  ftdi_ioctl(struct tty_struct *tty, struct file *file,
+static int  ftdi_ioctl(struct tty_struct *tty,
                         unsigned int cmd, unsigned long arg);
 static void ftdi_break_ctl(struct tty_struct *tty, int break_state);
 
@@ -916,7 +984,7 @@ static __u32 ftdi_2232h_baud_base_to_divisor(int baud, int base)
         int divisor3;
 
         /* hi-speed baud rate is 10-bit sampling instead of 16-bit */
-        divisor3 = (base / 10 / baud) * 8;
+        divisor3 = base * 8 / (baud * 10);
 
         divisor = divisor3 >> 3;
         divisor |= (__u32)divfrac[divisor3 & 0x7] << 14;
@@ -1102,6 +1170,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
                 break;
         case FT2232H: /* FT2232H chip */
         case FT4232H: /* FT4232H chip */
+        case FT232H:  /* FT232H chip */
                 if ((baud <= 12000000) & (baud >= 1200)) {
                         div_value = ftdi_2232h_baud_to_divisor(baud);
                 } else if (baud < 1200) {
@@ -1285,6 +1354,23 @@ check_and_exit:
         return 0;
 }
 
+static int get_lsr_info(struct usb_serial_port *port,
+                        struct serial_struct __user *retinfo)
+{
+        struct ftdi_private *priv = usb_get_serial_port_data(port);
+        unsigned int result = 0;
+
+        if (!retinfo)
+                return -EFAULT;
+
+        if (priv->transmit_empty)
+                result = TIOCSER_TEMT;
+
+        if (copy_to_user(retinfo, &result, sizeof(unsigned int)))
+                return -EFAULT;
+        return 0;
+}
+
 
 /* Determine type of FTDI chip based on USB config and descriptor. */
 static void ftdi_determine_type(struct usb_serial_port *port)
@@ -1346,9 +1432,12 @@ static void ftdi_determine_type(struct usb_serial_port *port)
         } else if (version < 0x600) {
                 /* Assume it's an FT232BM (or FT245BM) */
                 priv->chip_type = FT232BM;
-        } else {
-                /* Assume it's an FT232R */
+        } else if (version < 0x900) {
+                /* Assume it's an FT232RL */
                 priv->chip_type = FT232RL;
+        } else {
+                /* Assume it's an FT232H */
+                priv->chip_type = FT232H;
         }
         dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
 }
@@ -1476,7 +1565,8 @@ static int create_sysfs_attrs(struct usb_serial_port *port)
                      priv->chip_type == FT2232C ||
                      priv->chip_type == FT232RL ||
                      priv->chip_type == FT2232H ||
-                     priv->chip_type == FT4232H)) {
+                     priv->chip_type == FT4232H ||
+                     priv->chip_type == FT232H)) {
                         retval = device_create_file(&port->dev,
                                                     &dev_attr_latency_timer);
                 }
@@ -1497,7 +1587,8 @@ static void remove_sysfs_attrs(struct usb_serial_port *port)
                     priv->chip_type == FT2232C ||
                     priv->chip_type == FT232RL ||
                     priv->chip_type == FT2232H ||
-                    priv->chip_type == FT4232H) {
+                    priv->chip_type == FT4232H ||
+                    priv->chip_type == FT232H) {
                         device_remove_file(&port->dev, &dev_attr_latency_timer);
                 }
         }
@@ -1559,6 +1650,7 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
         ftdi_set_max_packet_size(port);
         if (read_latency_timer(port) < 0)
                 priv->latency = 16;
+        write_latency_timer(port);
         create_sysfs_attrs(port);
         return 0;
 }
@@ -1642,6 +1734,25 @@ static int ftdi_jtag_probe(struct usb_serial *serial)
 }
 
 /*
+ * First and second port on STMCLiteadaptors is reserved for JTAG interface
+ * and the forth port for pio
+ */
+static int ftdi_stmclite_probe(struct usb_serial *serial)
+{
+        struct usb_device *udev = serial->dev;
+        struct usb_interface *interface = serial->interface;
+
+        dbg("%s", __func__);
+
+        if (interface == udev->actconfig->interface[2])
+                return 0;
+
+        dev_info(&udev->dev, "Ignoring serial port reserved for JTAG\n");
+
+        return -ENODEV;
+}
+
+/*
  * The Matrix Orbital VK204-25-USB has an invalid IN endpoint.
  * We have to correct it if we want to read from it.
  */
@@ -1687,8 +1798,6 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 
         dbg("%s", __func__);
 
-        write_latency_timer(port);
-
         /* No error checking for this (will get errors later anyway) */
         /* See ftdi_sio.h for description of what is reset */
         usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
@@ -1835,6 +1944,12 @@ static int ftdi_process_packet(struct tty_struct *tty,
                         tty_insert_flip_char(tty, 0, TTY_OVERRUN);
         }
 
+        /* save if the transmitter is empty or not */
+        if (packet[1] & FTDI_RS_TEMT)
+                priv->transmit_empty = 1;
+        else
+                priv->transmit_empty = 0;
+
         len -= 2;
         if (!len)
                 return 0;       /* status only */
@@ -2028,8 +2143,6 @@ static void ftdi_set_termios(struct tty_struct *tty,
                                 "urb failed to set to rts/cts flow control\n");
                 }
 
-                /* raise DTR/RTS */
-                set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
         } else {
                 /*
                  * Xon/Xoff code
@@ -2077,13 +2190,10 @@ static void ftdi_set_termios(struct tty_struct *tty,
                         }
                 }
 
-                /* lower DTR/RTS */
-                clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
         }
-        return;
 }
 
-static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
+static int ftdi_tiocmget(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
         struct ftdi_private *priv = usb_get_serial_port_data(port);
@@ -2110,6 +2220,7 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
         case FT232RL:
         case FT2232H:
         case FT4232H:
+        case FT232H:
                 len = 2;
                 break;
         default:
@@ -2136,7 +2247,7 @@ out:
         return ret;
 }
 
-static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
+static int ftdi_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
@@ -2144,7 +2255,7 @@ static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
         return update_mctrl(port, set, clear);
 }
 
-static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
+static int ftdi_ioctl(struct tty_struct *tty,
                                         unsigned int cmd, unsigned long arg)
 {
         struct usb_serial_port *port = tty->driver_data;
@@ -2168,6 +2279,7 @@ static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
          * - mask passed in arg for lines of interest
          *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
          * Caller should use TIOCGICOUNT to see which one it was.
+         * (except that the driver doesn't support it !)
          *
          * This code is borrowed from linux/drivers/char/serial.c
          */
@@ -2202,6 +2314,9 @@ static int ftdi_ioctl(struct tty_struct *tty, struct file *file,
                         }
                 }
                 return 0;
+        case TIOCSERGETLSR:
+                return get_lsr_info(port, (struct serial_struct __user *)arg);
+                break;
         default:
                 break;
         }