Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / usb / serial / iuu_phoenix.c

diff --git a/kernel/drivers/usb/serial/iuu_phoenix.c b/kernel/drivers/usb/serial/iuu_phoenix.c
index 5ad4a0f..7ed7d33 100644 (file)
--- a/kernel/drivers/usb/serial/iuu_phoenix.c
+++ b/kernel/drivers/usb/serial/iuu_phoenix.c
@@ -68,6 +68,16 @@ struct iuu_private {
        u32 clk;
 };
 
+static int iuu_attach(struct usb_serial *serial)
+{
+       unsigned char num_ports = serial->num_ports;
+
+       if (serial->num_bulk_in < num_ports || serial->num_bulk_out < num_ports)
+               return -ENODEV;
+
+       return 0;
+}
+
 static int iuu_port_probe(struct usb_serial_port *port)
 {
        struct iuu_private *priv;
@@ -1196,6 +1206,7 @@ static struct usb_serial_driver iuu_device = {
        .tiocmset = iuu_tiocmset,
        .set_termios = iuu_set_termios,
        .init_termios = iuu_init_termios,
+       .attach = iuu_attach,
        .port_probe = iuu_port_probe,
        .port_remove = iuu_port_remove,
 };