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Subject[PATCH 16/20] Blackfin serial driver: ignore framing and parity errors
Date
From: Mike Frysinger <michael.frysinger@analog.com>

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>
---
drivers/serial/bfin_5xx.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index aeb3cc2..9d356fc 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++;
--
1.5.2
-
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