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authorGraf Yang <graf.yang@analog.com>2010-05-22 22:00:10 +0000
committerDavid S. Miller <davem@davemloft.net>2010-05-23 23:57:45 -0700
commiteda6e6f86b5f95b982ac7ebf7cf5be2a29a291e9 (patch)
tree3d5cf95a2578361aec8db4662231bf0b0e636114
parente487639dc8ca6bd6c19a4140f45ebc88da56ddd5 (diff)
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>
-rw-r--r--drivers/net/irda/bfin_sir.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/irda/bfin_sir.c b/drivers/net/irda/bfin_sir.c
index 911c082cee5..f940dfa1f7f 100644
--- 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);