diff options
Diffstat (limited to 'target/linux/generic/patches-2.6.39/801-usb_serial_endpoint_size.patch')
| -rw-r--r-- | target/linux/generic/patches-2.6.39/801-usb_serial_endpoint_size.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.39/801-usb_serial_endpoint_size.patch b/target/linux/generic/patches-2.6.39/801-usb_serial_endpoint_size.patch new file mode 100644 index 0000000000..3dd419f2ae --- /dev/null +++ b/target/linux/generic/patches-2.6.39/801-usb_serial_endpoint_size.patch @@ -0,0 +1,26 @@ +--- 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]; +@@ -912,7 +913,8 @@ int usb_serial_probe(struct usb_interfac + goto probe_error; + } + buffer_size = max_t(int, serial->type->bulk_in_size, +- le16_to_cpu(endpoint->wMaxPacketSize)); ++ min_t(int, le16_to_cpu(endpoint->wMaxPacketSize), ++ maxSize)); + port->bulk_in_size = buffer_size; + port->bulk_in_endpointAddress = endpoint->bEndpointAddress; + port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL); +@@ -1391,3 +1393,5 @@ 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"); |