diff options
| author | Graf Yang <graf.yang@analog.com> | 2010-05-23 08:40:13 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-06-04 20:37:17 (GMT) |
| commit | ca3e442e8dbbe2551473f36f0e7797b1d3205f5a (patch) | |
| tree | 201f752dd116a66b777bc35ad83cda2aa2b0deb3 /drivers/serial | |
| parent | 99ec88f345945208c650b54279dddc8dfd705571 (diff) | |
| download | linux-fsl-qoriq-ca3e442e8dbbe2551473f36f0e7797b1d3205f5a.tar.xz | |
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: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | 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); |