1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
--- linux-2.6.22.4-old/drivers/usb/serial/usb-serial.c 2007-08-21 06:33:06.000000000 +0200
+++ linux-2.6.22.4-new/drivers/usb/serial/usb-serial.c 2007-08-26 15:43:11.000000000 +0200
@@ -56,6 +56,7 @@
drivers depend on it.
*/
+static ushort maxSize = 0;
static int debug;
static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
static spinlock_t table_lock;
@@ -864,7 +865,7 @@
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);
@@ -1245,3 +1246,5 @@
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");
|
