tty: sdio_uart: Fix termios handling

Switching between two non standard baud rates fails because of the cflag
test. Do as we did elsewhere and just kill the "optimisation".
Signed-off-by: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/mmc/card/sdio_uart.c

@@ -902,12 +902,6 @@ static void sdio_uart_set_termios(struct tty_struct *tty, struct ktermios *old_t
 	struct sdio_uart_port *port = tty->driver_data;
 	unsigned int cflag = tty->termios->c_cflag;
 
-#define RELEVANT_IFLAG(iflag)	((iflag) & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
-	if ((cflag ^ old_termios->c_cflag) == 0 &&
-	    RELEVANT_IFLAG(tty->termios->c_iflag ^ old_termios->c_iflag) == 0)
-		return;
-
 	if (sdio_uart_claim_func(port) != 0)
 		return;