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authorImre Kaloz <kaloz@openwrt.org>2008-12-08 13:23:09 +0000
committerImre Kaloz <kaloz@openwrt.org>2008-12-08 13:23:09 +0000
commite5206f9754e62fdbdb54d1998e74cf0d921359f6 (patch)
tree0cb3e4ccf62f00cbc257d6b2d4156e02c342b551 /target/linux/generic-2.6/patches-2.6.28/801-usb_serial_endpoint_size.patch
parentdf84ce6c3a2f713403d8cc3cb679d4619302464c (diff)
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add generic 2.6.28 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13546 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.28/801-usb_serial_endpoint_size.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.28/801-usb_serial_endpoint_size.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/801-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.28/801-usb_serial_endpoint_size.patch
new file mode 100644
index 0000000000..827c350f7f
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/801-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];
+@@ -839,7 +840,7 @@ 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);
+@@ -1268,3 +1269,5 @@ 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");