revert 15922 - add back 2.6.29 kernel support

[oweals/openwrt.git] / target / linux / generic-2.6 / patches-2.6.29 / 801-usb_serial_endpoint_size.patch

diff --git a/target/linux/generic-2.6/patches-2.6.29/801-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.29/801-usb_serial_endpoint_size.patch
new file mode 100644 (file)
index 0000000..6b8ff1d
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.29/801-usb_serial_endpoint_size.patch
@@ -0,0 +1,25 @@
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -59,6 +59,7 @@ static struct usb_driver usb_serial_driv
+    drivers depend on it.
+ */
+ 
++static ushort maxSize = 0;
+ static int debug;
+ /* initially all NULL */
+ static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
+@@ -861,7 +862,7 @@ 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);
+@@ -1306,3 +1307,5 @@ 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");