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--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -58,6 +58,7 @@
drivers depend on it.
*/
+static ushort maxSize = 0;
static int debug;
static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */
static DEFINE_MUTEX(table_lock);
@@ -814,7 +815,7 @@
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);
@@ -1228,3 +1229,5 @@
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");
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