diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 200 |
1 files changed, 68 insertions, 132 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index b37fa31f5694..fe2f21d85737 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -107,26 +107,24 @@ struct ftdi_quirk { }; static int ftdi_jtag_probe(struct usb_serial *serial); -static int ftdi_NDI_device_setup(struct usb_serial *serial); static int ftdi_stmclite_probe(struct usb_serial *serial); static int ftdi_8u2232c_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); +static void ftdi_usb_uirt_setup(struct ftdi_private *priv); +static void ftdi_he_tira1_setup(struct ftdi_private *priv); static const struct ftdi_quirk ftdi_jtag_quirk = { .probe = ftdi_jtag_probe, }; -static const struct ftdi_quirk ftdi_NDI_device_quirk = { - .probe = ftdi_NDI_device_setup, +static const struct ftdi_quirk ftdi_ndi_quirk = { }; -static const struct ftdi_quirk ftdi_USB_UIRT_quirk = { - .port_probe = ftdi_USB_UIRT_setup, +static const struct ftdi_quirk ftdi_usb_uirt_quirk = { + .port_probe = ftdi_usb_uirt_setup, }; -static const struct ftdi_quirk ftdi_HE_TIRA1_quirk = { - .port_probe = ftdi_HE_TIRA1_setup, +static const struct ftdi_quirk ftdi_he_tira1_quirk = { + .port_probe = ftdi_he_tira1_setup, }; static const struct ftdi_quirk ftdi_stmclite_quirk = { @@ -590,9 +588,9 @@ static const struct usb_device_id id_table_combined[] = { { 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 }, + .driver_info = (kernel_ulong_t)&ftdi_he_tira1_quirk }, { USB_DEVICE(FTDI_VID, FTDI_USB_UIRT_PID), - .driver_info = (kernel_ulong_t)&ftdi_USB_UIRT_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_usb_uirt_quirk }, { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_1) }, { USB_DEVICE(FTDI_VID, PROTEGO_R2X0) }, { USB_DEVICE(FTDI_VID, PROTEGO_SPECIAL_3) }, @@ -628,10 +626,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) }, - { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TIAO_UMPA_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_NT_ORIONLXM_PID, 1) }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) }, @@ -794,17 +790,17 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13U_PID) }, { USB_DEVICE(ELEKTOR_VID, ELEKTOR_FT323R_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NDI_HUC_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_SPECTRA_SCU_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_2_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_FUTURE_3_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NDI_AURORA_SCU_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(FTDI_NDI_VID, FTDI_NDI_EMGUIDE_GEMINI_PID), - .driver_info = (kernel_ulong_t)&ftdi_NDI_device_quirk }, + .driver_info = (kernel_ulong_t)&ftdi_ndi_quirk }, { USB_DEVICE(TELLDUS_VID, TELLDUS_TELLSTICK_PID) }, { USB_DEVICE(NOVITUS_VID, NOVITUS_BONO_E_PID) }, { USB_DEVICE(FTDI_VID, RTSYSTEMS_USB_VX8_PID) }, @@ -842,24 +838,17 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) }, - { USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, CYBER_CORTEX_AV_PID, 1) }, { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID, 1) }, { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID, 1) }, { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_PID, 1) }, { USB_DEVICE_INTERFACE_NUMBER(OLIMEX_VID, OLIMEX_ARM_USB_TINY_H_PID, 1) }, - { USB_DEVICE(FIC_VID, FIC_NEO1973_DEBUG_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, FTDI_OOCDLINK_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, FTDI_TURTELIZER_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FIC_VID, FIC_NEO1973_DEBUG_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_OOCDLINK_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_DEVEL_BOARD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_EVAL_BOARD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, LMI_LM3S_ICDI_BOARD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_TURTELIZER_PID, 1) }, { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) }, { USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_SCU18) }, { USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) }, @@ -901,17 +890,14 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(ATMEL_VID, STK541_PID) }, { USB_DEVICE(DE_VID, STB_PID) }, { USB_DEVICE(DE_VID, WHT_PID) }, - { USB_DEVICE(ADI_VID, ADI_GNICE_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICE_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ADI_VID, ADI_GNICEPLUS_PID, 1) }, { USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID, USB_CLASS_VENDOR_SPEC, USB_SUBCLASS_VENDOR_SPEC, 0x00) }, { USB_DEVICE_INTERFACE_NUMBER(ACTEL_VID, MICROSEMI_ARROW_SF2PLUS_BOARD_PID, 2) }, { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, - { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(MARVELL_VID, MARVELL_SHEEVAPLUG_PID, 1) }, { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) }, { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) }, { USB_DEVICE(FTDI_VID, PI_C865_PID) }, @@ -934,10 +920,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(PI_VID, PI_1016_PID) }, { USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) }, { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) }, - { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, TI_XDS100V2_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, MARVELL_OPENRD_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, TI_XDS100V2_PID, 1) }, { USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) }, { USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) }, { USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) }, @@ -946,18 +930,14 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) }, { USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) }, { USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) }, - { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_ST_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_ST_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SLITE_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, XVERVE_SIGNALYZER_SH2_PID, 1) }, { 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_INTERFACE_NUMBER(IONICS_VID, IONICS_PLUGCOMPUTER_PID, 1) }, { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_24_MASTER_WING_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_PC_WING_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CHAMSYS_USB_DMX_PID) }, @@ -972,15 +952,12 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) }, { USB_DEVICE(FTDI_VID, FTDI_FHE_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_STMCLT_2232_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(ST_VID, ST_STMCLT_2232_PID, 1) }, { USB_DEVICE(ST_VID, ST_STMCLT_4232_PID), .driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk }, { USB_DEVICE(FTDI_VID, FTDI_RF_R106) }, - { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID, 1) }, { USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) }, /* Crucible Devices */ { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) }, @@ -1055,8 +1032,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) }, { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) }, { USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) }, - { USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(TI_VID, TI_CC3200_LAUNCHPAD_PID, 1) }, { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) }, { USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) }, { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, @@ -1076,10 +1052,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) }, { USB_DEVICE_INTERFACE_NUMBER(UBLOX_VID, UBLOX_EVK_M101_PID, 2) }, /* FreeCalypso USB adapters */ - { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID), - .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_BUF_PID, 1) }, + { USB_DEVICE_INTERFACE_NUMBER(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID, 1) }, /* GMC devices */ { USB_DEVICE(GMC_VID, GMC_Z216C_PID) }, /* Altera USB Blaster 3 */ @@ -1271,6 +1245,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set, static u32 get_ftdi_divisor(struct tty_struct *tty, struct usb_serial_port *port) { + const struct ftdi_quirk *quirk = usb_get_serial_data(port->serial); struct ftdi_private *priv = usb_get_serial_port_data(port); struct device *dev = &port->dev; u32 div_value = 0; @@ -1330,16 +1305,8 @@ static u32 get_ftdi_divisor(struct tty_struct *tty, case FT232R: case FTX: if (baud <= 3000000) { - u16 product_id = le16_to_cpu( - port->serial->dev->descriptor.idProduct); - if (((product_id == FTDI_NDI_HUC_PID) || - (product_id == FTDI_NDI_SPECTRA_SCU_PID) || - (product_id == FTDI_NDI_FUTURE_2_PID) || - (product_id == FTDI_NDI_FUTURE_3_PID) || - (product_id == FTDI_NDI_AURORA_SCU_PID)) && - (baud == 19200)) { + if (quirk == &ftdi_ndi_quirk && baud == 19200) baud = 1200000; - } div_value = ftdi_232bm_baud_to_divisor(baud); } else { dev_dbg(dev, "%s - Baud rate too high!\n", __func__); @@ -2236,7 +2203,9 @@ static int ftdi_port_probe(struct usb_serial_port *port) goto err_free; ftdi_set_max_packet_size(port); - if (read_latency_timer(port) < 0) + if (quirk == &ftdi_ndi_quirk) + priv->latency = 1; + else if (read_latency_timer(port) < 0) priv->latency = 16; write_latency_timer(port); @@ -2255,20 +2224,22 @@ err_free: return result; } -/* Setup for the USB-UIRT device, which requires hardwired - * baudrate (38400 gets mapped to 312500) */ -/* Called from usbserial:serial_probe */ -static void ftdi_USB_UIRT_setup(struct ftdi_private *priv) +/* + * Setup for the USB-UIRT device, which requires hardwired baudrate + * (38400 gets mapped to 312500). + */ +static void ftdi_usb_uirt_setup(struct ftdi_private *priv) { priv->flags |= ASYNC_SPD_CUST; priv->custom_divisor = 77; priv->force_baud = 38400; } -/* Setup for the HE-TIRA1 device, which requires hardwired - * baudrate (38400 gets mapped to 100000) and RTS-CTS enabled. */ - -static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) +/* + * Setup for the HE-TIRA1 device, which requires hardwired baudrate + * (38400 gets mapped to 100000) and RTS-CTS enabled. + */ +static void ftdi_he_tira1_setup(struct ftdi_private *priv) { priv->flags |= ASYNC_SPD_CUST; priv->custom_divisor = 240; @@ -2277,39 +2248,6 @@ static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv) } /* - * Module parameter to control latency timer for NDI FTDI-based USB devices. - * If this value is not set in /etc/modprobe.d/ its value will be set - * to 1ms. - */ -static int ndi_latency_timer = 1; - -/* Setup for the NDI FTDI-based USB devices, which requires hardwired - * baudrate (19200 gets mapped to 1200000). - * - * Called from usbserial:serial_probe. - */ -static int ftdi_NDI_device_setup(struct usb_serial *serial) -{ - struct usb_device *udev = serial->dev; - int latency = ndi_latency_timer; - - if (latency == 0) - latency = 1; - if (latency > 99) - latency = 99; - - dev_dbg(&udev->dev, "%s setting NDI device latency to %d\n", __func__, latency); - dev_info(&udev->dev, "NDI device with a latency value of %d\n", latency); - - /* FIXME: errors are not returned */ - usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - FTDI_SIO_SET_LATENCY_TIMER_REQUEST, - FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE, - latency, 0, NULL, 0, WDR_TIMEOUT); - return 0; -} - -/* * First port on JTAG adaptors such as Olimex arm-usb-ocd or the FIC/OpenMoko * Neo1973 Debug Board is reserved for JTAG interface and can be accessed from * userspace using openocd. @@ -2319,26 +2257,29 @@ static int ftdi_jtag_probe(struct usb_serial *serial) struct usb_interface *intf = serial->interface; int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (ifnum == 0) { - dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n"); + if (ifnum == 0) return -ENODEV; - } return 0; } static int ftdi_8u2232c_probe(struct usb_serial *serial) { + struct usb_interface *intf = serial->interface; struct usb_device *udev = serial->dev; + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) - return ftdi_jtag_probe(serial); + if (ifnum == 0) { + if (udev->manufacturer && + !strcmp(udev->manufacturer, "CALAO Systems")) + return -ENODEV; - if (udev->product && - (!strcmp(udev->product, "Arrow USB Blaster") || - !strcmp(udev->product, "BeagleBone/XDS100V2") || - !strcmp(udev->product, "SNAP Connect E10"))) - return ftdi_jtag_probe(serial); + if (udev->product && + (!strcmp(udev->product, "Arrow USB Blaster") || + !strcmp(udev->product, "BeagleBone/XDS100V2") || + !strcmp(udev->product, "SNAP Connect E10"))) + return -ENODEV; + } return 0; } @@ -2355,10 +2296,8 @@ static int ftdi_stmclite_probe(struct usb_serial *serial) struct usb_interface *intf = serial->interface; int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - if (ifnum < 2) { - dev_info(&intf->dev, "Ignoring interface reserved for JTAG\n"); + if (ifnum < 2) return -ENODEV; - } return 0; } @@ -2935,6 +2874,3 @@ module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); - -module_param(ndi_latency_timer, int, 0644); -MODULE_PARM_DESC(ndi_latency_timer, "NDI device latency timer override"); |