USB: serial: add support for multi-port simple drivers

Add support for multi-port simple drivers.

Signed-off-by: Johan Hovold <johan@kernel.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index fb79775447b0..02cb77a1e79d 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -20,7 +20,7 @@
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 
-#define DEVICE(vendor, IDS)                                     \
+#define DEVICE_N(vendor, IDS, nport)                            \
 static const struct usb_device_id vendor##_id_table[] = {       \
         IDS(),                                                  \
         { },                                                    \
@@ -31,9 +31,10 @@ static struct usb_serial_driver vendor##_device = {		\
                 .name =         #vendor,                        \
         },                                                      \
         .id_table =             vendor##_id_table,              \
-        .num_ports =            1,                              \
+        .num_ports =            nport,                          \
 };
 
+#define DEVICE(vendor, IDS)     DEVICE_N(vendor, IDS, 1)
 
 /* ZIO Motherboard USB driver */
 #define ZIO_IDS()                       \