diff options
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r-- | drivers/usb/serial/Kconfig | 3 | ||||
-rw-r--r-- | drivers/usb/serial/ch341.c | 16 | ||||
-rw-r--r-- | drivers/usb/serial/cyberjack.c | 2 | ||||
-rw-r--r-- | drivers/usb/serial/garmin_gps.c | 2 | ||||
-rw-r--r-- | drivers/usb/serial/io_edgeport.c | 26 | ||||
-rw-r--r-- | drivers/usb/serial/ir-usb.c | 185 | ||||
-rw-r--r-- | drivers/usb/serial/keyspan.c | 4 | ||||
-rw-r--r-- | drivers/usb/serial/opticon.c | 63 | ||||
-rw-r--r-- | drivers/usb/serial/option.c | 16 | ||||
-rw-r--r-- | drivers/usb/serial/quatech2.c | 6 | ||||
-rw-r--r-- | drivers/usb/serial/usb-serial-simple.c | 2 | ||||
-rw-r--r-- | drivers/usb/serial/usb-serial.c | 3 | ||||
-rw-r--r-- | drivers/usb/serial/usb-wwan.h | 1 | ||||
-rw-r--r-- | drivers/usb/serial/usb_wwan.c | 4 |
14 files changed, 227 insertions, 106 deletions
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index ed4a18b435a0..25d7e0c36d38 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -129,9 +129,6 @@ config USB_SERIAL_DIGI_ACCELEPORT parallel port on the USB 2 appears as a third serial port on Linux. The Digi Acceleport USB 8 is not yet supported by this driver. - This driver works under SMP with the usb-uhci driver. It does not - work under SMP with the uhci driver. - To compile this driver as a module, choose M here: the module will be called digi_acceleport. diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index df582fe855f0..c5ecdcd51ffc 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -205,6 +205,16 @@ static int ch341_get_divisor(speed_t speed) 16 * speed - 16 * CH341_CLKRATE / (clk_div * (div + 1))) div++; + /* + * Prefer lower base clock (fact = 0) if even divisor. + * + * Note that this makes the receiver more tolerant to errors. + */ + if (fact == 1 && div % 2 == 0) { + div /= 2; + fact = 0; + } + return (0x100 - div) << 8 | fact << 2 | ps; } @@ -642,9 +652,13 @@ static int ch341_tiocmget(struct tty_struct *tty) static int ch341_reset_resume(struct usb_serial *serial) { struct usb_serial_port *port = serial->port[0]; - struct ch341_private *priv = usb_get_serial_port_data(port); + struct ch341_private *priv; int ret; + priv = usb_get_serial_port_data(port); + if (!priv) + return 0; + /* reconfigure ch341 serial port after bus-reset */ ch341_configure(serial->dev, priv); diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index ebd76ab07b72..821970609695 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -276,7 +276,7 @@ static void cyberjack_read_int_callback(struct urb *urb) old_rdtodo = priv->rdtodo; if (old_rdtodo > SHRT_MAX - size) { - dev_dbg(dev, "To many bulk_in urbs to do.\n"); + dev_dbg(dev, "Too many bulk_in urbs to do.\n"); spin_unlock_irqrestore(&priv->lock, flags); goto resubmit; } diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 633550ec3025..ffd984142171 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -104,7 +104,7 @@ struct garmin_packet { int seq; /* the real size of the data array, always > 0 */ int size; - __u8 data[1]; + __u8 data[]; }; /* structure used to keep the current state of the driver */ diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 48a439298a68..5737add6a2a4 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -716,7 +716,7 @@ static void edge_interrupt_callback(struct urb *urb) if (txCredits) { port = edge_serial->serial->port[portNumber]; edge_port = usb_get_serial_port_data(port); - if (edge_port->open) { + if (edge_port && edge_port->open) { spin_lock_irqsave(&edge_port->ep_lock, flags); edge_port->txCredits += txCredits; @@ -1725,7 +1725,8 @@ static void edge_break(struct tty_struct *tty, int break_state) static void process_rcvd_data(struct edgeport_serial *edge_serial, unsigned char *buffer, __u16 bufferLength) { - struct device *dev = &edge_serial->serial->dev->dev; + struct usb_serial *serial = edge_serial->serial; + struct device *dev = &serial->dev->dev; struct usb_serial_port *port; struct edgeport_port *edge_port; __u16 lastBufferLength; @@ -1821,11 +1822,10 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial, /* spit this data back into the tty driver if this port is open */ - if (rxLen) { - port = edge_serial->serial->port[ - edge_serial->rxPort]; + if (rxLen && edge_serial->rxPort < serial->num_ports) { + port = serial->port[edge_serial->rxPort]; edge_port = usb_get_serial_port_data(port); - if (edge_port->open) { + if (edge_port && edge_port->open) { dev_dbg(dev, "%s - Sending %d bytes to TTY for port %d\n", __func__, rxLen, edge_serial->rxPort); @@ -1833,8 +1833,8 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial, rxLen); edge_port->port->icount.rx += rxLen; } - buffer += rxLen; } + buffer += rxLen; break; case EXPECT_HDR3: /* Expect 3rd byte of status header */ @@ -1869,6 +1869,8 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial, __u8 code = edge_serial->rxStatusCode; /* switch the port pointer to the one being currently talked about */ + if (edge_serial->rxPort >= edge_serial->serial->num_ports) + return; port = edge_serial->serial->port[edge_serial->rxPort]; edge_port = usb_get_serial_port_data(port); if (edge_port == NULL) { @@ -2901,16 +2903,18 @@ static int edge_startup(struct usb_serial *serial) response = 0; if (edge_serial->is_epic) { + struct usb_host_interface *alt; + + alt = serial->interface->cur_altsetting; + /* EPIC thing, set up our interrupt polling now and our read * urb, so that the device knows it really is connected. */ interrupt_in_found = bulk_in_found = bulk_out_found = false; - for (i = 0; i < serial->interface->altsetting[0] - .desc.bNumEndpoints; ++i) { + for (i = 0; i < alt->desc.bNumEndpoints; ++i) { struct usb_endpoint_descriptor *endpoint; int buffer_size; - endpoint = &serial->interface->altsetting[0]. - endpoint[i].desc; + endpoint = &alt->endpoint[i].desc; buffer_size = usb_endpoint_maxp(endpoint); if (!interrupt_in_found && (usb_endpoint_is_int_in(endpoint))) { diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 302eb9530859..172261a908d8 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -45,9 +45,10 @@ static int buffer_size; static int xbof = -1; static int ir_startup (struct usb_serial *serial); -static int ir_open(struct tty_struct *tty, struct usb_serial_port *port); -static int ir_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size); +static int ir_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count); +static int ir_write_room(struct tty_struct *tty); +static void ir_write_bulk_callback(struct urb *urb); static void ir_process_read_urb(struct urb *urb); static void ir_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios); @@ -75,10 +76,13 @@ static struct usb_serial_driver ir_device = { .description = "IR Dongle", .id_table = ir_id_table, .num_ports = 1, + .num_bulk_in = 1, + .num_bulk_out = 1, .set_termios = ir_set_termios, .attach = ir_startup, - .open = ir_open, - .prepare_write_buffer = ir_prepare_write_buffer, + .write = ir_write, + .write_room = ir_write_room, + .write_bulk_callback = ir_write_bulk_callback, .process_read_urb = ir_process_read_urb, }; @@ -251,35 +255,102 @@ static int ir_startup(struct usb_serial *serial) return 0; } -static int ir_open(struct tty_struct *tty, struct usb_serial_port *port) +static int ir_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count) { - int i; + struct urb *urb = NULL; + unsigned long flags; + int ret; - for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) - port->write_urbs[i]->transfer_flags = URB_ZERO_PACKET; + if (port->bulk_out_size == 0) + return -EINVAL; - /* Start reading from the device */ - return usb_serial_generic_open(tty, port); -} + if (count == 0) + return 0; -static int ir_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size) -{ - unsigned char *buf = dest; - int count; + count = min(count, port->bulk_out_size - 1); + + spin_lock_irqsave(&port->lock, flags); + if (__test_and_clear_bit(0, &port->write_urbs_free)) { + urb = port->write_urbs[0]; + port->tx_bytes += count; + } + spin_unlock_irqrestore(&port->lock, flags); + + if (!urb) + return 0; /* * The first byte of the packet we send to the device contains an - * inbound header which indicates an additional number of BOFs and + * outbound header which indicates an additional number of BOFs and * a baud rate change. * * See section 5.4.2.2 of the USB IrDA spec. */ - *buf = ir_xbof | ir_baud; + *(u8 *)urb->transfer_buffer = ir_xbof | ir_baud; + + memcpy(urb->transfer_buffer + 1, buf, count); + + urb->transfer_buffer_length = count + 1; + urb->transfer_flags = URB_ZERO_PACKET; + + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) { + dev_err(&port->dev, "failed to submit write urb: %d\n", ret); + + spin_lock_irqsave(&port->lock, flags); + __set_bit(0, &port->write_urbs_free); + port->tx_bytes -= count; + spin_unlock_irqrestore(&port->lock, flags); + + return ret; + } + + return count; +} + +static void ir_write_bulk_callback(struct urb *urb) +{ + struct usb_serial_port *port = urb->context; + int status = urb->status; + unsigned long flags; + + spin_lock_irqsave(&port->lock, flags); + __set_bit(0, &port->write_urbs_free); + port->tx_bytes -= urb->transfer_buffer_length - 1; + spin_unlock_irqrestore(&port->lock, flags); + + switch (status) { + case 0: + break; + case -ENOENT: + case -ECONNRESET: + case -ESHUTDOWN: + dev_dbg(&port->dev, "write urb stopped: %d\n", status); + return; + case -EPIPE: + dev_err(&port->dev, "write urb stopped: %d\n", status); + return; + default: + dev_err(&port->dev, "nonzero write-urb status: %d\n", status); + break; + } + + usb_serial_port_softint(port); +} - count = kfifo_out_locked(&port->write_fifo, buf + 1, size - 1, - &port->lock); - return count + 1; +static int ir_write_room(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + int count = 0; + + if (port->bulk_out_size == 0) + return 0; + + if (test_bit(0, &port->write_urbs_free)) + count = port->bulk_out_size - 1; + + return count; } static void ir_process_read_urb(struct urb *urb) @@ -304,23 +375,15 @@ static void ir_process_read_urb(struct urb *urb) tty_flip_buffer_push(&port->port); } -static void ir_set_termios_callback(struct urb *urb) -{ - kfree(urb->transfer_buffer); - - if (urb->status) - dev_dbg(&urb->dev->dev, "%s - non-zero urb status: %d\n", - __func__, urb->status); -} - static void ir_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios) { - struct urb *urb; + struct usb_device *udev = port->serial->dev; unsigned char *transfer_buffer; - int result; + int actual_length; speed_t baud; int ir_baud; + int ret; baud = tty_get_baud_rate(tty); @@ -332,34 +395,34 @@ static void ir_set_termios(struct tty_struct *tty, switch (baud) { case 2400: - ir_baud = USB_IRDA_BR_2400; + ir_baud = USB_IRDA_LS_2400; break; case 9600: - ir_baud = USB_IRDA_BR_9600; + ir_baud = USB_IRDA_LS_9600; break; case 19200: - ir_baud = USB_IRDA_BR_19200; + ir_baud = USB_IRDA_LS_19200; break; case 38400: - ir_baud = USB_IRDA_BR_38400; + ir_baud = USB_IRDA_LS_38400; break; case 57600: - ir_baud = USB_IRDA_BR_57600; + ir_baud = USB_IRDA_LS_57600; break; case 115200: - ir_baud = USB_IRDA_BR_115200; + ir_baud = USB_IRDA_LS_115200; break; case 576000: - ir_baud = USB_IRDA_BR_576000; + ir_baud = USB_IRDA_LS_576000; break; case 1152000: - ir_baud = USB_IRDA_BR_1152000; + ir_baud = USB_IRDA_LS_1152000; break; case 4000000: - ir_baud = USB_IRDA_BR_4000000; + ir_baud = USB_IRDA_LS_4000000; break; default: - ir_baud = USB_IRDA_BR_9600; + ir_baud = USB_IRDA_LS_9600; baud = 9600; } @@ -375,42 +438,22 @@ static void ir_set_termios(struct tty_struct *tty, /* * send the baud change out on an "empty" data packet */ - urb = usb_alloc_urb(0, GFP_KERNEL); - if (!urb) - return; - transfer_buffer = kmalloc(1, GFP_KERNEL); if (!transfer_buffer) - goto err_buf; + return; *transfer_buffer = ir_xbof | ir_baud; - usb_fill_bulk_urb( - urb, - port->serial->dev, - usb_sndbulkpipe(port->serial->dev, - port->bulk_out_endpointAddress), - transfer_buffer, - 1, - ir_set_termios_callback, - port); - - urb->transfer_flags = URB_ZERO_PACKET; - - result = usb_submit_urb(urb, GFP_KERNEL); - if (result) { - dev_err(&port->dev, "%s - failed to submit urb: %d\n", - __func__, result); - goto err_subm; + ret = usb_bulk_msg(udev, + usb_sndbulkpipe(udev, port->bulk_out_endpointAddress), + transfer_buffer, 1, &actual_length, 5000); + if (ret || actual_length != 1) { + if (!ret) + ret = -EIO; + dev_err(&port->dev, "failed to change line speed: %d\n", ret); } - usb_free_urb(urb); - - return; -err_subm: kfree(transfer_buffer); -err_buf: - usb_free_urb(urb); } static int __init ir_init(void) diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index e66a59ef43a1..aa3dbce22cfb 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1058,6 +1058,8 @@ static void usa49_glocont_callback(struct urb *urb) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + continue; if (p_priv->resend_cont) { dev_dbg(&port->dev, "%s - sending setup\n", __func__); @@ -1459,6 +1461,8 @@ static void usa67_glocont_callback(struct urb *urb) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + continue; if (p_priv->resend_cont) { dev_dbg(&port->dev, "%s - sending setup\n", __func__); diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index cb7aac9cd9e7..0af76800bd78 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -41,6 +41,9 @@ struct opticon_private { bool rts; bool cts; int outstanding_urbs; + int outstanding_bytes; + + struct usb_anchor anchor; }; @@ -113,7 +116,7 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype, retval = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), requesttype, USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, - 0, 0, buffer, 1, 0); + 0, 0, buffer, 1, USB_CTRL_SET_TIMEOUT); kfree(buffer); if (retval < 0) @@ -149,6 +152,15 @@ static int opticon_open(struct tty_struct *tty, struct usb_serial_port *port) return res; } +static void opticon_close(struct usb_serial_port *port) +{ + struct opticon_private *priv = usb_get_serial_port_data(port); + + usb_kill_anchored_urbs(&priv->anchor); + + usb_serial_generic_close(port); +} + static void opticon_write_control_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; @@ -169,6 +181,7 @@ static void opticon_write_control_callback(struct urb *urb) spin_lock_irqsave(&priv->lock, flags); --priv->outstanding_urbs; + priv->outstanding_bytes -= urb->transfer_buffer_length; spin_unlock_irqrestore(&priv->lock, flags); usb_serial_port_softint(port); @@ -182,8 +195,8 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, struct urb *urb; unsigned char *buffer; unsigned long flags; - int status; struct usb_ctrlrequest *dr; + int ret = -ENOMEM; spin_lock_irqsave(&priv->lock, flags); if (priv->outstanding_urbs > URB_UPPER_LIMIT) { @@ -192,19 +205,16 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, return 0; } priv->outstanding_urbs++; + priv->outstanding_bytes += count; spin_unlock_irqrestore(&priv->lock, flags); buffer = kmalloc(count, GFP_ATOMIC); - if (!buffer) { - count = -ENOMEM; + if (!buffer) goto error_no_buffer; - } urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!urb) { - count = -ENOMEM; + if (!urb) goto error_no_urb; - } memcpy(buffer, buf, count); @@ -213,10 +223,8 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, /* The connected devices do not have a bulk write endpoint, * to transmit data to de barcode device the control endpoint is used */ dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC); - if (!dr) { - count = -ENOMEM; + if (!dr) goto error_no_dr; - } dr->bRequestType = USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT; dr->bRequest = 0x01; @@ -229,13 +237,13 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port, (unsigned char *)dr, buffer, count, opticon_write_control_callback, port); + usb_anchor_urb(urb, &priv->anchor); + /* send it down the pipe */ - status = usb_submit_urb(urb, GFP_ATOMIC); - if (status) { - dev_err(&port->dev, - "%s - usb_submit_urb(write endpoint) failed status = %d\n", - __func__, status); - count = status; + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) { + dev_err(&port->dev, "failed to submit write urb: %d\n", ret); + usb_unanchor_urb(urb); goto error; } @@ -253,8 +261,10 @@ error_no_urb: error_no_buffer: spin_lock_irqsave(&priv->lock, flags); --priv->outstanding_urbs; + priv->outstanding_bytes -= count; spin_unlock_irqrestore(&priv->lock, flags); - return count; + + return ret; } static int opticon_write_room(struct tty_struct *tty) @@ -279,6 +289,20 @@ static int opticon_write_room(struct tty_struct *tty) return 2048; } +static int opticon_chars_in_buffer(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + struct opticon_private *priv = usb_get_serial_port_data(port); + unsigned long flags; + int count; + + spin_lock_irqsave(&priv->lock, flags); + count = priv->outstanding_bytes; + spin_unlock_irqrestore(&priv->lock, flags); + + return count; +} + static int opticon_tiocmget(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; @@ -354,6 +378,7 @@ static int opticon_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); + init_usb_anchor(&priv->anchor); usb_set_serial_port_data(port, priv); @@ -381,8 +406,10 @@ static struct usb_serial_driver opticon_device = { .port_probe = opticon_port_probe, .port_remove = opticon_port_remove, .open = opticon_open, + .close = opticon_close, .write = opticon_write, .write_room = opticon_write_room, + .chars_in_buffer = opticon_chars_in_buffer, .throttle = usb_serial_generic_throttle, .unthrottle = usb_serial_generic_unthrottle, .get_serial = get_serial_info, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index e9491d400a24..084cc2fff3ae 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -248,6 +248,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_BG96 0x0296 #define QUECTEL_PRODUCT_EP06 0x0306 #define QUECTEL_PRODUCT_EM12 0x0512 +#define QUECTEL_PRODUCT_RM500Q 0x0800 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -567,6 +568,9 @@ static void option_instat_callback(struct urb *urb); /* Interface must have two endpoints */ #define NUMEP2 BIT(16) +/* Device needs ZLP */ +#define ZLP BIT(17) + static const struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, @@ -1101,6 +1105,11 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0xff, 0xff), .driver_info = RSVD(1) | RSVD(2) | RSVD(3) | RSVD(4) | NUMEP2 }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM12, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0xff, 0x30) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0xff, 0x10), + .driver_info = ZLP }, + { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), @@ -1172,6 +1181,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */ .driver_info = NCTRL(0) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff), /* Telit ME910G1 */ + .driver_info = NCTRL(0) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), @@ -1196,6 +1207,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ .driver_info = NCTRL(0) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */ + .driver_info = NCTRL(0) | ZLP }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = RSVD(1) }, @@ -2097,6 +2110,9 @@ static int option_attach(struct usb_serial *serial) if (!(device_flags & NCTRL(iface_desc->bInterfaceNumber))) data->use_send_setup = 1; + if (device_flags & ZLP) + data->use_zlp = 1; + spin_lock_init(&data->susp_lock); usb_set_serial_data(serial, data); diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index a62981ca7a73..f93b81a297d6 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -841,7 +841,10 @@ static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch) u8 newMSR = (u8) *ch; unsigned long flags; + /* May be called from qt2_process_read_urb() for an unbound port. */ port_priv = usb_get_serial_port_data(port); + if (!port_priv) + return; spin_lock_irqsave(&port_priv->lock, flags); port_priv->shadowMSR = newMSR; @@ -869,7 +872,10 @@ static void qt2_update_lsr(struct usb_serial_port *port, unsigned char *ch) unsigned long flags; u8 newLSR = (u8) *ch; + /* May be called from qt2_process_read_urb() for an unbound port. */ port_priv = usb_get_serial_port_data(port); + if (!port_priv) + return; if (newLSR & UART_LSR_BI) newLSR &= (u8) (UART_LSR_OE | UART_LSR_BI); diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index edbbb13d6de6..bd23a7cb1be2 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -86,6 +86,8 @@ DEVICE(moto_modem, MOTO_IDS); #define MOTOROLA_TETRA_IDS() \ { USB_DEVICE(0x0cad, 0x9011) }, /* Motorola Solutions TETRA PEI */ \ { USB_DEVICE(0x0cad, 0x9012) }, /* MTP6550 */ \ + { USB_DEVICE(0x0cad, 0x9013) }, /* MTP3xxx */ \ + { USB_DEVICE(0x0cad, 0x9015) }, /* MTP85xx */ \ { USB_DEVICE(0x0cad, 0x9016) } /* TPG2200 */ DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 8f066bb55d7d..dc7a65b9ec98 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1317,6 +1317,9 @@ static int usb_serial_register(struct usb_serial_driver *driver) return -EINVAL; } + /* Prevent individual ports from being unbound. */ + driver->driver.suppress_bind_attrs = true; + usb_serial_operations_init(driver); /* Add this device to our list of devices */ diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h index 1c120eaf4091..934e9361cf6b 100644 --- a/drivers/usb/serial/usb-wwan.h +++ b/drivers/usb/serial/usb-wwan.h @@ -38,6 +38,7 @@ struct usb_wwan_intf_private { spinlock_t susp_lock; unsigned int suspended:1; unsigned int use_send_setup:1; + unsigned int use_zlp:1; int in_flight; unsigned int open_ports; void *private; diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 7e855c87e4f7..13be21aad2f4 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -461,6 +461,7 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port, void (*callback) (struct urb *)) { struct usb_serial *serial = port->serial; + struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial); struct urb *urb; urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ @@ -471,6 +472,9 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port, usb_sndbulkpipe(serial->dev, endpoint) | dir, buf, len, callback, ctx); + if (intfdata->use_zlp && dir == USB_DIR_OUT) + urb->transfer_flags |= URB_ZERO_PACKET; + return urb; } |