--- zzzz-none-000/linux-3.10.107/drivers/usb/serial/ssu100.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/serial/ssu100.c	2021-02-04 17:41:59.000000000 +0000
@@ -6,7 +6,6 @@
  */
 
 #include <linux/errno.h>
-#include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
@@ -323,7 +322,7 @@
 		return -EFAULT;
 
 	memset(&tmp, 0, sizeof(tmp));
-	tmp.line		= port->serial->minor;
+	tmp.line		= port->minor;
 	tmp.port		= 0;
 	tmp.irq			= 0;
 	tmp.flags		= ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
@@ -342,8 +341,6 @@
 {
 	struct usb_serial_port *port = tty->driver_data;
 
-	dev_dbg(&port->dev, "%s cmd 0x%04x\n", __func__, cmd);
-
 	switch (cmd) {
 	case TIOCGSERIAL:
 		return get_serial_info(port,
@@ -352,8 +349,6 @@
 		break;
 	}
 
-	dev_dbg(&port->dev, "%s arg not supported\n", __func__);
-
 	return -ENOIOCTLCMD;
 }