diff options
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.22/601-usb_serial_endpoint_size.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.22/601-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.22/601-usb_serial_endpoint_size.patch new file mode 100644 index 0000000000..220eaa7692 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.22/601-usb_serial_endpoint_size.patch @@ -0,0 +1,25 @@ +--- linux-2.6.22.4-old/drivers/usb/serial/usb-serial.c 2007-08-21 06:33:06.000000000 +0200 ++++ linux-2.6.22.4-new/drivers/usb/serial/usb-serial.c 2007-08-26 15:43:11.000000000 +0200 +@@ -56,6 +56,7 @@ + drivers depend on it. + */ + ++static ushort maxSize = 0; + static int debug; + static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; /* initially all NULL */ + static spinlock_t table_lock; +@@ -864,7 +865,7 @@ + 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); +@@ -1245,3 +1246,5 @@ + + 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"); |