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Commit ca3e442e authored by Graf Yang's avatar Graf Yang Committed by Greg Kroah-Hartman
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serial: bfin_5xx: IRDA is not affected by anomaly 05000230 



Anomaly 05000230 (over sampling of the UART STOP bit) applies only when
the peripheral is operating in UART mode.  So drop the anomaly handling
when the UART is in IRDA mode.

Signed-off-by: default avatarGraf Yang <graf.yang@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 99ec88f3

drivers/serial/bfin_5xx.c

+6 −1
Original line number Diff line number Diff line
@@ -869,7 +869,12 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios, 
	}



	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);

	quot = uart_get_divisor(port, baud) - ANOMALY_05000230;

	quot = uart_get_divisor(port, baud);



	/* If discipline is not IRDA, apply ANOMALY_05000230 */

	if (termios->c_line != N_IRDA)

		quot -= ANOMALY_05000230;



	spin_lock_irqsave(&uart->port.lock, flags);



	UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15);