[PATCH 1/2] serial: bfin_5xx: IRDA is not affected by anomaly 05000230
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From: Mike Frysinger on 31 May 2010 07:30 From: Graf Yang <graf.yang(a)analog.com> 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: Graf Yang <graf.yang(a)analog.com> Signed-off-by: Mike Frysinger <vapier(a)gentoo.org> --- drivers/serial/bfin_5xx.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c index 96f7e74..a78652b 100644 --- a/drivers/serial/bfin_5xx.c +++ b/drivers/serial/bfin_5xx.c @@ -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); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |