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

   1 Index: linux-2.4.35.4/drivers/usb/serial/usbserial.c
   2 ===================================================================
   3 --- linux-2.4.35.4.orig/drivers/usb/serial/usbserial.c
   4 +++ linux-2.4.35.4/drivers/usb/serial/usbserial.c
   5 @@ -331,6 +331,7 @@ static void generic_shutdown                (struct us
   6  #ifdef CONFIG_USB_SERIAL_GENERIC
   7  static __u16   vendor  = 0x05f9;
   8  static __u16   product = 0xffff;
   9 +static int     maxSize = 0;
  10
  11  static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */
  12
  13 @@ -1557,7 +1558,11 @@ static void * usb_serial_probe(struct us
  14                         err("No free urbs available");
  15                         goto probe_error;
  16                 }
  17 +#ifdef CONFIG_USB_SERIAL_GENERIC
  18 +               buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
  19 +#else
  20                 buffer_size = endpoint->wMaxPacketSize;
  21 +#endif
  22                 port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
  23                 port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
  24                 if (!port->bulk_in_buffer) {
  25 @@ -1921,4 +1926,7 @@ MODULE_PARM_DESC(vendor, "User specified
  26
  27  MODULE_PARM(product, "h");
  28  MODULE_PARM_DESC(product, "User specified USB idProduct");
  29 +
  30 +MODULE_PARM(maxSize,"i");
  31 +MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
  32  #endif