net/irda: bfin_sir: 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
in the IRDA code.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/irda/bfin_sir.c b/drivers/net/irda/bfin_sir.c
index 911c082..f940dfa 100644 (file)
--- a/drivers/net/irda/bfin_sir.c
+++ b/drivers/net/irda/bfin_sir.c
@@ -107,8 +107,12 @@ static int bfin_sir_set_speed(struct bfin_sir_port *port, int speed)
        case 57600:
        case 115200:
 
-               quot = (port->clk + (8 * speed)) / (16 * speed)\
-                                               - ANOMALY_05000230;
+               /*
+                * IRDA is not affected by anomaly 05000230, so there is no
+                * need to tweak the divisor like he UART driver (which will
+                * slightly speed up the baud rate on us).
+                */
+               quot = (port->clk + (8 * speed)) / (16 * speed);
 
                do {
                        udelay(utime);