1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 329d311a35d9..f88bc511da65 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -133,7 +133,7 @@ struct spcp8x5_usb_ctrl_arg {
 
 /* how come ??? */
 #define UART_STATE                      0x08
-#define UART_STATE_TRANSIENT_MASK       0x74
+#define UART_STATE_TRANSIENT_MASK       0x75
 #define UART_DCD                        0x01
 #define UART_DSR                        0x02
 #define UART_BREAK_ERROR                0x04
@@ -526,6 +526,10 @@ static void spcp8x5_process_read_urb(struct urb *urb)
                 /* overrun is special, not associated with a char */
                 if (status & UART_OVERRUN_ERROR)
                         tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+
+                if (status & UART_DCD)
+                        usb_serial_handle_dcd_change(port, tty,
+                                   priv->line_status & MSR_STATUS_LINE_DCD);
         }
 
         tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
@@ -646,6 +650,7 @@ static struct usb_serial_driver spcp8x5_device = {
                 .name =         "SPCP8x5",
         },
         .id_table               = id_table,
+        .usb_driver             = &spcp8x5_driver,
         .num_ports              = 1,
         .open                   = spcp8x5_open,
         .dtr_rts                = spcp8x5_dtr_rts,