diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch new file mode 100644 index 000000000..1640e0783 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.27/801-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 @@ + drivers depend on it. + */ + ++static ushort maxSize = 0; + static int debug; + /* initially all NULL */ + static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; +@@ -833,7 +834,7 @@ + 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); +@@ -1253,3 +1254,5 @@ + + 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"); |