You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26 lines
1.0 KiB
Diff
26 lines
1.0 KiB
Diff
--- a/drivers/usb/serial/usb-serial.c
|
|
+++ b/drivers/usb/serial/usb-serial.c
|
|
@@ -58,6 +58,7 @@ static struct usb_driver usb_serial_driv
|
|
drivers depend on it.
|
|
*/
|
|
|
|
+static ushort maxSize = 0;
|
|
static int debug;
|
|
static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
|
|
static DEFINE_MUTEX(table_lock);
|
|
@@ -903,7 +904,7 @@ int usb_serial_probe(struct usb_interfac
|
|
dev_err(&interface->dev, "No free urbs available\n");
|
|
goto probe_error;
|
|
}
|
|
- buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
|
|
+ buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
|
|
port->bulk_in_size = buffer_size;
|
|
port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
|
|
port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
|
|
@@ -1315,3 +1316,5 @@ MODULE_LICENSE("GPL");
|
|
|
|
module_param(debug, bool, S_IRUGO | S_IWUSR);
|
|
MODULE_PARM_DESC(debug, "Debug enabled or not");
|
|
+module_param(maxSize, ushort,0);
|
|
+MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
|