X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=target%2Flinux%2Fgeneric-2.6%2Fpatches-2.6.24%2F801-usb_serial_endpoint_size.patch;fp=target%2Flinux%2Fgeneric-2.6%2Fpatches-2.6.24%2F801-usb_serial_endpoint_size.patch;h=5b61c73bac66b09050633f465a7af355a2cc705a;hb=4d70a5a68afb9e1cdde85c965047bcb1cfe972e7;hp=0000000000000000000000000000000000000000;hpb=402669ffa1b1e78f1b6bcbffca7e5b8966a209a9;p=openwrt-10.03%2F.git

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
index 000000000..5b61c73ba
--- /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");