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authorImre Kaloz <kaloz@openwrt.org>2011-01-21 17:52:22 +0000
committerImre Kaloz <kaloz@openwrt.org>2011-01-21 17:52:22 +0000
commit2a7bdb2ef04b744e08d54e65e2cd76780a71aa34 (patch)
tree7b8643b5144db15c53536abf69dec2a49aa31bef /target/linux/generic/patches-2.6.38/801-usb_serial_endpoint_size.patch
parent318102d24a60f6442052508c391aa984c5dbf97c (diff)
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[target/generic]: preliminary 2.6.38 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25057 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-2.6.38/801-usb_serial_endpoint_size.patch')
-rw-r--r--target/linux/generic/patches-2.6.38/801-usb_serial_endpoint_size.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.38/801-usb_serial_endpoint_size.patch b/target/linux/generic/patches-2.6.38/801-usb_serial_endpoint_size.patch
new file mode 100644
index 0000000000..45a096d873
--- /dev/null
+++ b/target/linux/generic/patches-2.6.38/801-usb_serial_endpoint_size.patch
@@ -0,0 +1,25 @@
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -61,6 +61,7 @@ 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];
+@@ -913,7 +914,7 @@ int usb_serial_probe(struct usb_interfac
+ }
+ buffer_size = serial->type->bulk_in_size;
+ if (!buffer_size)
+- 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);
+@@ -1388,3 +1389,5 @@ 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");