diff options
Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
-rw-r--r-- | drivers/usb/serial/io_edgeport.c | 69 |
1 files changed, 15 insertions, 54 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index b97960a..3ef8df0 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -364,42 +364,6 @@ static void update_edgeport_E2PROM(struct edgeport_serial *edge_serial) release_firmware(fw); } - -/************************************************************************ - * * - * Get string descriptor from device * - * * - ************************************************************************/ -static int get_string(struct usb_device *dev, int Id, char *string, int buflen) -{ - struct usb_string_descriptor StringDesc; - struct usb_string_descriptor *pStringDesc; - - dbg("%s - USB String ID = %d", __func__, Id); - - if (!usb_get_descriptor(dev, USB_DT_STRING, Id, - &StringDesc, sizeof(StringDesc))) - return 0; - - pStringDesc = kmalloc(StringDesc.bLength, GFP_KERNEL); - if (!pStringDesc) - return 0; - - if (!usb_get_descriptor(dev, USB_DT_STRING, Id, - pStringDesc, StringDesc.bLength)) { - kfree(pStringDesc); - return 0; - } - - unicode_to_ascii(string, buflen, - pStringDesc->wData, pStringDesc->bLength/2); - - kfree(pStringDesc); - dbg("%s - USB String %s", __func__, string); - return strlen(string); -} - - #if 0 /************************************************************************ * @@ -2007,7 +1971,7 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial, return; case IOSP_EXT_STATUS_RX_CHECK_RSP: - dbg("%s ========== Port %u CHECK_RSP Sequence = %02x =============\n", __func__, edge_serial->rxPort, byte3); + dbg("%s ========== Port %u CHECK_RSP Sequence = %02x =============", __func__, edge_serial->rxPort, byte3); /* Port->RxCheckRsp = true; */ return; } @@ -2075,7 +2039,7 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial, break; default: - dbg("%s - Unrecognized IOSP status code %u\n", __func__, code); + dbg("%s - Unrecognized IOSP status code %u", __func__, code); break; } return; @@ -2091,18 +2055,13 @@ static void edge_tty_recv(struct device *dev, struct tty_struct *tty, { int cnt; - do { - cnt = tty_buffer_request_room(tty, length); - if (cnt < length) { - dev_err(dev, "%s - dropping data, %d bytes lost\n", - __func__, length - cnt); - if (cnt == 0) - break; - } - tty_insert_flip_string(tty, data, cnt); - data += cnt; - length -= cnt; - } while (length > 0); + cnt = tty_insert_flip_string(tty, data, length); + if (cnt < length) { + dev_err(dev, "%s - dropping data, %d bytes lost\n", + __func__, length - cnt); + } + data += cnt; + length -= cnt; tty_flip_buffer_push(tty); } @@ -2530,7 +2489,7 @@ static int calc_baud_rate_divisor(int baudrate, int *divisor) *divisor = custom; - dbg("%s - Baud %d = %d\n", __func__, baudrate, custom); + dbg("%s - Baud %d = %d", __func__, baudrate, custom); return 0; } @@ -2915,7 +2874,7 @@ static void load_application_firmware(struct edgeport_serial *edge_serial) break; case EDGE_DOWNLOAD_FILE_NONE: - dbg ("No download file specified, skipping download\n"); + dbg("No download file specified, skipping download"); return; default: @@ -2997,10 +2956,12 @@ static int edge_startup(struct usb_serial *serial) usb_set_serial_data(serial, edge_serial); /* get the name for the device from the device */ - i = get_string(dev, dev->descriptor.iManufacturer, + i = usb_string(dev, dev->descriptor.iManufacturer, &edge_serial->name[0], MAX_NAME_LEN+1); + if (i < 0) + i = 0; edge_serial->name[i++] = ' '; - get_string(dev, dev->descriptor.iProduct, + usb_string(dev, dev->descriptor.iProduct, &edge_serial->name[i], MAX_NAME_LEN+2 - i); dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name); |