diff options
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 4 | ||||
| -rw-r--r-- | drivers/usb/serial/ftdi_sio_ids.h | 10 | ||||
| -rw-r--r-- | drivers/usb/serial/io_ti.c | 279 | ||||
| -rw-r--r-- | drivers/usb/serial/mxuport.c | 10 | ||||
| -rw-r--r-- | drivers/usb/serial/option.c | 4 | ||||
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 35 | ||||
| -rw-r--r-- | drivers/usb/serial/qcserial.c | 3 | ||||
| -rw-r--r-- | drivers/usb/serial/sierra.c | 1 | ||||
| -rw-r--r-- | drivers/usb/serial/symbolserial.c | 24 | ||||
| -rw-r--r-- | drivers/usb/serial/usb_wwan.c | 2 |
10 files changed, 273 insertions, 99 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 4c8b3b8..a5a0376 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -605,6 +605,10 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) }, /* * ELV devices: */ diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 792e054..67c6d44 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -568,6 +568,14 @@ */ #define FTDI_SYNAPSE_SS200_PID 0x9090 /* SS200 - SNAP Stick 200 */ +/* + * CustomWare / ShipModul NMEA multiplexers product ids (FTDI_VID) + */ +#define FTDI_CUSTOMWARE_MINIPLEX_PID 0xfd48 /* MiniPlex first generation NMEA Multiplexer */ +#define FTDI_CUSTOMWARE_MINIPLEX2_PID 0xfd49 /* MiniPlex-USB and MiniPlex-2 series */ +#define FTDI_CUSTOMWARE_MINIPLEX2WI_PID 0xfd4a /* MiniPlex-2Wi */ +#define FTDI_CUSTOMWARE_MINIPLEX3_PID 0xfd4b /* MiniPlex-3 series */ + /********************************/ /** third-party VID/PID combos **/ @@ -1365,7 +1373,7 @@ #define FTDI_CTI_NANO_PID 0xF60B /* - * ZeitControl cardsystems GmbH rfid-readers http://zeitconrol.de + * ZeitControl cardsystems GmbH rfid-readers http://zeitcontrol.de */ /* TagTracer MIFARE*/ #define FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID 0xF7C0 diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index ddbb8fe..0ac1b10 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -71,6 +71,25 @@ struct product_info { __u8 hardware_type; /* Type of hardware */ } __attribute__((packed)); +/* + * Edgeport firmware header + * + * "build_number" has been set to 0 in all three of the images I have + * seen, and Digi Tech Support suggests that it is safe to ignore it. + * + * "length" is the number of bytes of actual data following the header. + * + * "checksum" is the low order byte resulting from adding the values of + * all the data bytes. + */ +struct edgeport_fw_hdr { + u8 major_version; + u8 minor_version; + __le16 build_number; + __le16 length; + u8 checksum; +} __packed; + struct edgeport_port { __u16 uart_base; __u16 dma_address; @@ -101,6 +120,9 @@ struct edgeport_serial { struct mutex es_lock; int num_ports_open; struct usb_serial *serial; + struct delayed_work heartbeat_work; + int fw_version; + bool use_heartbeat; }; @@ -187,10 +209,6 @@ static const struct usb_device_id id_table_combined[] = { MODULE_DEVICE_TABLE(usb, id_table_combined); -static unsigned char OperationalMajorVersion; -static unsigned char OperationalMinorVersion; -static unsigned short OperationalBuildNumber; - static int closing_wait = EDGE_CLOSING_WAIT; static bool ignore_cpu_rev; static int default_uart_mode; /* RS232 */ @@ -209,6 +227,26 @@ static void edge_send(struct usb_serial_port *port, struct tty_struct *tty); static int edge_create_sysfs_attrs(struct usb_serial_port *port); static int edge_remove_sysfs_attrs(struct usb_serial_port *port); +/* + * Some release of Edgeport firmware "down3.bin" after version 4.80 + * introduced code to automatically disconnect idle devices on some + * Edgeport models after periods of inactivity, typically ~60 seconds. + * This occurs without regard to whether ports on the device are open + * or not. Digi International Tech Support suggested: + * + * 1. Adding driver "heartbeat" code to reset the firmware timer by + * requesting a descriptor record every 15 seconds, which should be + * effective with newer firmware versions that require it, and benign + * with older versions that do not. In practice 40 seconds seems often + * enough. + * 2. The heartbeat code is currently required only on Edgeport/416 models. + */ +#define FW_HEARTBEAT_VERSION_CUTOFF ((4 << 8) + 80) +#define FW_HEARTBEAT_SECS 40 + +/* Timeouts in msecs: firmware downloads take longer */ +#define TI_VSEND_TIMEOUT_DEFAULT 1000 +#define TI_VSEND_TIMEOUT_FW_DOWNLOAD 10000 static int ti_vread_sync(struct usb_device *dev, __u8 request, __u16 value, __u16 index, u8 *data, int size) @@ -228,14 +266,14 @@ static int ti_vread_sync(struct usb_device *dev, __u8 request, return 0; } -static int ti_vsend_sync(struct usb_device *dev, __u8 request, - __u16 value, __u16 index, u8 *data, int size) +static int ti_vsend_sync(struct usb_device *dev, u8 request, u16 value, + u16 index, u8 *data, int size, int timeout) { int status; status = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, (USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT), - value, index, data, size, 1000); + value, index, data, size, timeout); if (status < 0) return status; if (status != size) { @@ -250,7 +288,8 @@ static int send_cmd(struct usb_device *dev, __u8 command, __u8 moduleid, __u16 value, u8 *data, int size) { - return ti_vsend_sync(dev, command, value, moduleid, data, size); + return ti_vsend_sync(dev, command, value, moduleid, data, size, + TI_VSEND_TIMEOUT_DEFAULT); } /* clear tx/rx buffers and fifo in TI UMP */ @@ -378,9 +417,9 @@ static int write_boot_mem(struct edgeport_serial *serial, } for (i = 0; i < length; ++i) { - status = ti_vsend_sync(serial->serial->dev, - UMPC_MEMORY_WRITE, buffer[i], - (__u16)(i + start_address), NULL, 0); + status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, + buffer[i], (u16)(i + start_address), NULL, + 0, TI_VSEND_TIMEOUT_DEFAULT); if (status) return status; } @@ -421,10 +460,9 @@ static int write_i2c_mem(struct edgeport_serial *serial, * regardless of host byte order. */ be_start_address = swab16((u16)start_address); - status = ti_vsend_sync(serial->serial->dev, - UMPC_MEMORY_WRITE, (__u16)address_type, - be_start_address, - buffer, write_length); + status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, + (u16)address_type, be_start_address, + buffer, write_length, TI_VSEND_TIMEOUT_DEFAULT); if (status) { dev_dbg(dev, "%s - ERROR %d\n", __func__, status); return status; @@ -454,9 +492,8 @@ static int write_i2c_mem(struct edgeport_serial *serial, */ be_start_address = swab16((u16)start_address); status = ti_vsend_sync(serial->serial->dev, UMPC_MEMORY_WRITE, - (__u16)address_type, - be_start_address, - buffer, write_length); + (u16)address_type, be_start_address, buffer, + write_length, TI_VSEND_TIMEOUT_DEFAULT); if (status) { dev_err(dev, "%s - ERROR %d\n", __func__, status); return status; @@ -748,18 +785,17 @@ exit: } /* Build firmware header used for firmware update */ -static int build_i2c_fw_hdr(__u8 *header, struct device *dev) +static int build_i2c_fw_hdr(u8 *header, struct device *dev, + const struct firmware *fw) { __u8 *buffer; int buffer_size; int i; - int err; __u8 cs = 0; struct ti_i2c_desc *i2c_header; struct ti_i2c_image_header *img_header; struct ti_i2c_firmware_rec *firmware_rec; - const struct firmware *fw; - const char *fw_name = "edgeport/down3.bin"; + struct edgeport_fw_hdr *fw_hdr = (struct edgeport_fw_hdr *)fw->data; /* In order to update the I2C firmware we must change the type 2 record * to type 0xF2. This will force the UMP to come up in Boot Mode. @@ -782,24 +818,11 @@ static int build_i2c_fw_hdr(__u8 *header, struct device *dev) // Set entire image of 0xffs memset(buffer, 0xff, buffer_size); - err = request_firmware(&fw, fw_name, dev); - if (err) { - dev_err(dev, "Failed to load image \"%s\" err %d\n", - fw_name, err); - kfree(buffer); - return err; - } - - /* Save Download Version Number */ - OperationalMajorVersion = fw->data[0]; - OperationalMinorVersion = fw->data[1]; - OperationalBuildNumber = fw->data[2] | (fw->data[3] << 8); - /* Copy version number into firmware record */ firmware_rec = (struct ti_i2c_firmware_rec *)buffer; - firmware_rec->Ver_Major = OperationalMajorVersion; - firmware_rec->Ver_Minor = OperationalMinorVersion; + firmware_rec->Ver_Major = fw_hdr->major_version; + firmware_rec->Ver_Minor = fw_hdr->minor_version; /* Pointer to fw_down memory image */ img_header = (struct ti_i2c_image_header *)&fw->data[4]; @@ -808,8 +831,6 @@ static int build_i2c_fw_hdr(__u8 *header, struct device *dev) &fw->data[4 + sizeof(struct ti_i2c_image_header)], le16_to_cpu(img_header->Length)); - release_firmware(fw); - for (i=0; i < buffer_size; i++) { cs = (__u8)(cs + buffer[i]); } @@ -823,8 +844,8 @@ static int build_i2c_fw_hdr(__u8 *header, struct device *dev) i2c_header->Type = I2C_DESC_TYPE_FIRMWARE_BLANK; i2c_header->Size = cpu_to_le16(buffer_size); i2c_header->CheckSum = cs; - firmware_rec->Ver_Major = OperationalMajorVersion; - firmware_rec->Ver_Minor = OperationalMinorVersion; + firmware_rec->Ver_Major = fw_hdr->major_version; + firmware_rec->Ver_Minor = fw_hdr->minor_version; return 0; } @@ -925,13 +946,49 @@ static int ti_cpu_rev(struct edge_ti_manuf_descriptor *desc) return TI_GET_CPU_REVISION(desc->CpuRev_BoardRev); } +static int check_fw_sanity(struct edgeport_serial *serial, + const struct firmware *fw) +{ + u16 length_total; + u8 checksum = 0; + int pos; + struct device *dev = &serial->serial->interface->dev; + struct edgeport_fw_hdr *fw_hdr = (struct edgeport_fw_hdr *)fw->data; + + if (fw->size < sizeof(struct edgeport_fw_hdr)) { + dev_err(dev, "incomplete fw header\n"); + return -EINVAL; + } + + length_total = le16_to_cpu(fw_hdr->length) + + sizeof(struct edgeport_fw_hdr); + + if (fw->size != length_total) { + dev_err(dev, "bad fw size (expected: %u, got: %zu)\n", + length_total, fw->size); + return -EINVAL; + } + + for (pos = sizeof(struct edgeport_fw_hdr); pos < fw->size; ++pos) + checksum += fw->data[pos]; + + if (checksum != fw_hdr->checksum) { + dev_err(dev, "bad fw checksum (expected: 0x%x, got: 0x%x)\n", + fw_hdr->checksum, checksum); + return -EINVAL; + } + + return 0; +} + /** * DownloadTIFirmware - Download run-time operating firmware to the TI5052 * * This routine downloads the main operating code into the TI5052, using the * boot code already burned into E2PROM or ROM. */ -static int download_fw(struct edgeport_serial *serial) +static int download_fw(struct edgeport_serial *serial, + const struct firmware *fw) { struct device *dev = &serial->serial->dev->dev; int status = 0; @@ -940,6 +997,14 @@ static int download_fw(struct edgeport_serial *serial) struct usb_interface_descriptor *interface; int download_cur_ver; int download_new_ver; + struct edgeport_fw_hdr *fw_hdr = (struct edgeport_fw_hdr *)fw->data; + + if (check_fw_sanity(serial, fw)) + return -EINVAL; + + /* If on-board version is newer, "fw_version" will be updated below. */ + serial->fw_version = (fw_hdr->major_version << 8) + + fw_hdr->minor_version; /* This routine is entered by both the BOOT mode and the Download mode * We can determine which code is running by the reading the config @@ -1047,14 +1112,13 @@ static int download_fw(struct edgeport_serial *serial) version in I2c */ download_cur_ver = (firmware_version->Ver_Major << 8) + (firmware_version->Ver_Minor); - download_new_ver = (OperationalMajorVersion << 8) + - (OperationalMinorVersion); + download_new_ver = (fw_hdr->major_version << 8) + + (fw_hdr->minor_version); dev_dbg(dev, "%s - >> FW Versions Device %d.%d Driver %d.%d\n", __func__, firmware_version->Ver_Major, firmware_version->Ver_Minor, - OperationalMajorVersion, - OperationalMinorVersion); + fw_hdr->major_version, fw_hdr->minor_version); /* Check if we have an old version in the I2C and update if necessary */ @@ -1063,8 +1127,8 @@ static int download_fw(struct edgeport_serial *serial) __func__, firmware_version->Ver_Major, firmware_version->Ver_Minor, - OperationalMajorVersion, - OperationalMinorVersion); + fw_hdr->major_version, + fw_hdr->minor_version); record = kmalloc(1, GFP_KERNEL); if (!record) { @@ -1129,7 +1193,8 @@ static int download_fw(struct edgeport_serial *serial) /* Reset UMP -- Back to BOOT MODE */ status = ti_vsend_sync(serial->serial->dev, UMPC_HARDWARE_RESET, - 0, 0, NULL, 0); + 0, 0, NULL, 0, + TI_VSEND_TIMEOUT_DEFAULT); dev_dbg(dev, "%s - HARDWARE RESET return %d\n", __func__, status); @@ -1139,6 +1204,9 @@ static int download_fw(struct edgeport_serial *serial) kfree(rom_desc); kfree(ti_manuf_desc); return -ENODEV; + } else { + /* Same or newer fw version is already loaded */ + serial->fw_version = download_cur_ver; } kfree(firmware_version); } @@ -1177,7 +1245,7 @@ static int download_fw(struct edgeport_serial *serial) * UMP Ram to I2C and the firmware will update the * record type from 0xf2 to 0x02. */ - status = build_i2c_fw_hdr(header, dev); + status = build_i2c_fw_hdr(header, dev, fw); if (status) { kfree(vheader); kfree(header); @@ -1229,7 +1297,9 @@ static int download_fw(struct edgeport_serial *serial) /* Tell firmware to copy download image into I2C */ status = ti_vsend_sync(serial->serial->dev, - UMPC_COPY_DNLD_TO_I2C, 0, 0, NULL, 0); + UMPC_COPY_DNLD_TO_I2C, + 0, 0, NULL, 0, + TI_VSEND_TIMEOUT_FW_DOWNLOAD); dev_dbg(dev, "%s - Update complete 0x%x\n", __func__, status); if (status) { @@ -1278,9 +1348,6 @@ static int download_fw(struct edgeport_serial *serial) __u8 cs = 0; __u8 *buffer; int buffer_size; - int err; - const struct firmware *fw; - const char *fw_name = "edgeport/down3.bin"; /* Validate Hardware version number * Read Manufacturing Descriptor from TI Based Edgeport @@ -1328,16 +1395,7 @@ static int download_fw(struct edgeport_serial *serial) /* Initialize the buffer to 0xff (pad the buffer) */ memset(buffer, 0xff, buffer_size); - - err = request_firmware(&fw, fw_name, dev); - if (err) { - dev_err(dev, "Failed to load image \"%s\" err %d\n", - fw_name, err); - kfree(buffer); - return err; - } memcpy(buffer, &fw->data[4], fw->size - 4); - release_firmware(fw); for (i = sizeof(struct ti_i2c_image_header); i < buffer_size; i++) { @@ -1352,7 +1410,9 @@ static int download_fw(struct edgeport_serial *serial) header->CheckSum = cs; /* Download the operational code */ - dev_dbg(dev, "%s - Downloading operational code image (TI UMP)\n", __func__); + dev_dbg(dev, "%s - Downloading operational code image version %d.%d (TI UMP)\n", + __func__, + fw_hdr->major_version, fw_hdr->minor_version); status = download_code(serial, buffer, buffer_size); kfree(buffer); @@ -2373,10 +2433,44 @@ static void edge_break(struct tty_struct *tty, int break_state) __func__, status); } +static void edge_heartbeat_schedule(struct edgeport_serial *edge_serial) +{ + if (!edge_serial->use_heartbeat) + return; + + schedule_delayed_work(&edge_serial->heartbeat_work, + FW_HEARTBEAT_SECS * HZ); +} + +static void edge_heartbeat_work(struct work_struct *work) +{ + struct edgeport_serial *serial; + struct ti_i2c_desc *rom_desc; + + serial = container_of(work, struct edgeport_serial, + heartbeat_work.work); + + rom_desc = kmalloc(sizeof(*rom_desc), GFP_KERNEL); + + /* Descriptor address request is enough to reset the firmware timer */ + if (!rom_desc || !get_descriptor_addr(serial, I2C_DESC_TYPE_ION, + rom_desc)) { + dev_err(&serial->serial->interface->dev, + "%s - Incomplete heartbeat\n", __func__); + } + kfree(rom_desc); + + edge_heartbeat_schedule(serial); +} + static int edge_startup(struct usb_serial *serial) { struct edgeport_serial *edge_serial; int status; + const struct firmware *fw; + const char *fw_name = "edgeport/down3.bin"; + struct device *dev = &serial->interface->dev; + u16 product_id; /* create our private serial structure */ edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL); @@ -2387,12 +2481,35 @@ static int edge_startup(struct usb_serial *serial) edge_serial->serial = serial; usb_set_serial_data(serial, edge_serial); - status = download_fw(edge_serial); + status = request_firmware(&fw, fw_name, dev); if (status) { + dev_err(dev, "Failed to load image \"%s\" err %d\n", + fw_name, status); kfree(edge_serial); return status; } + status = download_fw(edge_serial, fw); + release_firmware(fw); + if (status) { + kfree(edge_serial); + return status; + } + + product_id = le16_to_cpu( + edge_serial->serial->dev->descriptor.idProduct); + + /* Currently only the EP/416 models require heartbeat support */ + if (edge_serial->fw_version > FW_HEARTBEAT_VERSION_CUTOFF) { + if (product_id == ION_DEVICE_ID_TI_EDGEPORT_416 || + product_id == ION_DEVICE_ID_TI_EDGEPORT_416B) { + edge_serial->use_heartbeat = true; + } + } + + INIT_DELAYED_WORK(&edge_serial->heartbeat_work, edge_heartbeat_work); + edge_heartbeat_schedule(edge_serial); + return 0; } @@ -2402,7 +2519,10 @@ static void edge_disconnect(struct usb_serial *serial) static void edge_release(struct usb_serial *serial) { - kfree(usb_get_serial_data(serial)); + struct edgeport_serial *edge_serial = usb_get_serial_data(serial); + + cancel_delayed_work_sync(&edge_serial->heartbeat_work); + kfree(edge_serial); } static int edge_port_probe(struct usb_serial_port *port) @@ -2506,6 +2626,25 @@ static int edge_remove_sysfs_attrs(struct usb_serial_port *port) return 0; } +#ifdef CONFIG_PM +static int edge_suspend(struct usb_serial *serial, pm_message_t message) +{ + struct edgeport_serial *edge_serial = usb_get_serial_data(serial); + + cancel_delayed_work_sync(&edge_serial->heartbeat_work); + + return 0; +} + +static int edge_resume(struct usb_serial *serial) +{ + struct edgeport_serial *edge_serial = usb_get_serial_data(serial); + + edge_heartbeat_schedule(edge_serial); + + return 0; +} +#endif static struct usb_serial_driver edgeport_1port_device = { .driver = { @@ -2538,6 +2677,10 @@ static struct usb_serial_driver edgeport_1port_device = { .read_int_callback = edge_interrupt_callback, .read_bulk_callback = edge_bulk_in_callback, .write_bulk_callback = edge_bulk_out_callback, +#ifdef CONFIG_PM + .suspend = edge_suspend, + .resume = edge_resume, +#endif }; static struct usb_serial_driver edgeport_2port_device = { @@ -2571,6 +2714,10 @@ static struct usb_serial_driver edgeport_2port_device = { .read_int_callback = edge_interrupt_callback, .read_bulk_callback = edge_bulk_in_callback, .write_bulk_callback = edge_bulk_out_callback, +#ifdef CONFIG_PM + .suspend = edge_suspend, + .resume = edge_resume, +#endif }; static struct usb_serial_driver * const serial_drivers[] = { diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c index 460a406..31a8b47 100644 --- a/drivers/usb/serial/mxuport.c +++ b/drivers/usb/serial/mxuport.c @@ -1137,13 +1137,9 @@ static int mxuport_port_probe(struct usb_serial_port *port) return err; /* Set interface (RS-232) */ - err = mxuport_send_ctrl_urb(serial, RQ_VENDOR_SET_INTERFACE, - MX_INT_RS232, - port->port_number); - if (err) - return err; - - return 0; + return mxuport_send_ctrl_urb(serial, RQ_VENDOR_SET_INTERFACE, + MX_INT_RS232, + port->port_number); } static int mxuport_alloc_write_urb(struct usb_serial *serial, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 19b85ee..6d1941a 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1099,6 +1099,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff), .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */ + { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x9041, 0xff), + .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC7305/MC7355 */ { 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), @@ -1939,7 +1941,7 @@ static void option_instat_callback(struct urb *urb) } else if (status == -ENOENT || status == -ESHUTDOWN) { dev_dbg(dev, "%s: urb stopped: %d\n", __func__, status); } else - dev_err(dev, "%s: error %d\n", __func__, status); + dev_dbg(dev, "%s: error %d\n", __func__, status); /* Resubmit urb so we continue receiving IRQ data */ if (status != -ESHUTDOWN && status != -ENOENT) { diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index f5257af..ae682e4 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -362,21 +362,38 @@ static speed_t pl2303_encode_baud_rate_direct(unsigned char buf[4], static speed_t pl2303_encode_baud_rate_divisor(unsigned char buf[4], speed_t baud) { - unsigned int tmp; + unsigned int baseline, mantissa, exponent; /* * Apparently the formula is: - * baudrate = 12M * 32 / (2^buf[1]) / buf[0] + * baudrate = 12M * 32 / (mantissa * 4^exponent) + * where + * mantissa = buf[8:0] + * exponent = buf[11:9] */ - tmp = 12000000 * 32 / baud; + baseline = 12000000 * 32; + mantissa = baseline / baud; + if (mantissa == 0) + mantissa = 1; /* Avoid dividing by zero if baud > 32*12M. */ + exponent = 0; + while (mantissa >= 512) { + if (exponent < 7) { + mantissa >>= 2; /* divide by 4 */ + exponent++; + } else { + /* Exponent is maxed. Trim mantissa and leave. */ + mantissa = 511; + break; + } + } + buf[3] = 0x80; buf[2] = 0; - buf[1] = (tmp >= 256); - while (tmp >= 256) { - tmp >>= 2; - buf[1] <<= 1; - } - buf[0] = tmp; + buf[1] = exponent << 1 | mantissa >> 8; + buf[0] = mantissa & 0xff; + + /* Calculate and return the exact baud rate. */ + baud = (baseline / mantissa) >> (exponent << 1); return baud; } diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 9c63897..ebcec8c 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -139,13 +139,13 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */ /* non-Gobi Sierra Wireless devices */ + {DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ - {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ @@ -158,6 +158,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ /* Huawei devices */ {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 46179a0..07d1ecd 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -289,6 +289,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, + { USB_DEVICE(0x1199, 0x68AB) }, /* Sierra Wireless AR8550 */ /* AT&T Direct IP LTE modems */ { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 8fceec7..37f3ad1 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -60,17 +60,15 @@ static void symbol_int_callback(struct urb *urb) usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data); + /* + * Data from the device comes with a 1 byte header: + * + * <size of data> <data>... + */ if (urb->actual_length > 1) { - data_length = urb->actual_length - 1; - - /* - * Data from the device comes with a 1 byte header: - * - * <size of data>data... - * This is real data to be sent to the tty layer - * we pretty much just ignore the size and send everything - * else to the tty layer. - */ + data_length = data[0]; + if (data_length > (urb->actual_length - 1)) + data_length = urb->actual_length - 1; tty_insert_flip_string(&port->port, &data[1], data_length); tty_flip_buffer_push(&port->port); } else { @@ -94,7 +92,7 @@ exit: static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port) { - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); unsigned long flags; int result = 0; @@ -120,7 +118,7 @@ static void symbol_close(struct usb_serial_port *port) static void symbol_throttle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); spin_lock_irq(&priv->lock); priv->throttled = true; @@ -130,7 +128,7 @@ static void symbol_throttle(struct tty_struct *tty) static void symbol_unthrottle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); int result; bool was_throttled; diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 2f805cb..825305c 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -282,7 +282,7 @@ static void usb_wwan_indat_callback(struct urb *urb) /* Resubmit urb so we continue receiving */ err = usb_submit_urb(urb, GFP_ATOMIC); if (err) { - if (err != -EPERM) { + if (err != -EPERM && err != -ENODEV) { dev_err(dev, "%s: resubmit read urb failed. (%d)\n", __func__, err); /* busy also in error unless we are killed */ |
