generic 2.6.24 support

[openwrt-10.03/.git] / target / linux / generic-2.6 / patches-2.6.24 / 801-usb_serial_endpoint_size.patch

diff --git a/target/linux/generic-2.6/patches-2.6.24/801-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.24/801-usb_serial_endpoint_size.patch
new file mode 100644 (file)
index 0000000..5b61c73
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.24/801-usb_serial_endpoint_size.patch
@@ -0,0 +1,27 @@
+Index: linux-2.6.23-rc6/drivers/usb/serial/usb-serial.c
+===================================================================
+--- linux-2.6.23-rc6.orig/drivers/usb/serial/usb-serial.c      2007-09-21 16:23:52.000000000 +0800
++++ linux-2.6.23-rc6/drivers/usb/serial/usb-serial.c   2007-09-21 16:24:09.000000000 +0800
+@@ -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);
+@@ -866,7 +867,7 @@
+                       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);
+@@ -1276,3 +1277,5 @@
+ 
+ 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");