target/linux/generic-2.4/patches/801-usb_serial_endpoint_size.patch

   1 --- a/drivers/usb/serial/usbserial.c
   2 +++ b/drivers/usb/serial/usbserial.c
   3 @@ -331,6 +331,7 @@ static void generic_shutdown                (struct us
   4  #ifdef CONFIG_USB_SERIAL_GENERIC
   5  static __u16   vendor  = 0x05f9;
   6  static __u16   product = 0xffff;
   7 +static int     maxSize = 0;
   8
   9  static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */
  10
  11 @@ -1557,7 +1558,11 @@ static void * usb_serial_probe(struct us
  12                         err("No free urbs available");
  13                         goto probe_error;
  14                 }
  15 +#ifdef CONFIG_USB_SERIAL_GENERIC
  16 +               buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
  17 +#else
  18                 buffer_size = endpoint->wMaxPacketSize;
  19 +#endif
  20                 port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
  21                 port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
  22                 if (!port->bulk_in_buffer) {
  23 @@ -1921,4 +1926,7 @@ MODULE_PARM_DESC(vendor, "User specified
  24
  25  MODULE_PARM(product, "h");
  26  MODULE_PARM_DESC(product, "User specified USB idProduct");
  27 +
  28 +MODULE_PARM(maxSize,"i");
  29 +MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
  30  #endif