diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 2bfc41e..85a1a55 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -858,10 +858,7 @@
 	if (!ACM_READY(acm))
 		return;
 
-	/* FIXME: Needs to support the tty_baud interface */
-	/* FIXME: Broken on sparc */
-	newline.dwDTERate = cpu_to_le32p(acm_tty_speed +
-		(termios->c_cflag & CBAUD & ~CBAUDEX) + (termios->c_cflag & CBAUDEX ? 15 : 0));
+	newline.dwDTERate = cpu_to_le32(tty_get_baud_rate(tty));
 	newline.bCharFormat = termios->c_cflag & CSTOPB ? 2 : 0;
 	newline.bParityType = termios->c_cflag & PARENB ?
 				(termios->c_cflag & PARODD ? 1 : 2) +