summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial/io_edgeport.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/io_edgeport.c')
-rw-r--r--drivers/usb/serial/io_edgeport.c69
1 files changed, 15 insertions, 54 deletions
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index b97960ac92f..3ef8df0ef88 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);