diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index e23c77925e7a..582e832dca72 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1309,7 +1309,7 @@ static void cypress_read_int_callback(struct urb *urb)
 	/* process read if there is data other than line status */
 	if (tty && bytes > i) {
 		tty_insert_flip_string_fixed_flag(tty, data + i,
-				bytes - i, tty_flag);
+				tty_flag, bytes - i);
 		tty_flip_buffer_push(tty);
 	}
 
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 68b0aa5e516c..3edda3ed822a 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1703,8 +1703,8 @@ static int digi_read_inb_callback(struct urb *urb)
 		/* data length is len-1 (one byte of len is port_status) */
 		--len;
 		if (len > 0) {
-			tty_insert_flip_string_fixed_flag(tty, data, len,
-									flag);
+			tty_insert_flip_string_fixed_flag(tty, data, flag,
+									len);
 			tty_flip_buffer_push(tty);
 		}
 	}
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 5d39191e7244..2ea32c561d02 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -726,8 +726,8 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 		/* overrun is special, not associated with a char */
 		if (status & UART_OVERRUN_ERROR)
 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-		tty_insert_flip_string_fixed_flag(tty, data,
-						urb->actual_length, tty_flag);
+		tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
+							urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
 	tty_kref_put(tty);