From: Mike Frysinger <michael.frysinger@analog.com>
Date: Mon, 11 Jun 2007 07:31:30 +0000 (+0800)
Subject: Blackfin serial driver: ignore framing and parity errors
X-Git-Tag: v2.6.22-rc5~27^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9808901b6c63a1c850b072e624c228901a9eaf10;p=linux-2.6

Blackfin serial driver: ignore framing and parity errors

if we get a break signal, we want to ignore framing and parity errors
because those will always be set (by nature of the signal)

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index aeb3cc23a8..9d356fc96a 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -185,6 +185,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
 		uart->port.icount.brk++;
 		if (uart_handle_break(&uart->port))
 			goto ignore_char;
+		status &= ~(PE | FE);
 	}
 	if (status & PE)
 		uart->port.icount.parity++;
@@ -341,6 +342,7 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
 		uart->port.icount.brk++;
 		if (uart_handle_break(&uart->port))
 			goto dma_ignore_char;
+		status &= ~(PE | FE);
 	}
 	if (status & PE)
 		uart->port.icount.parity++;