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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index aeb3cc23a813..9d356fc96a57 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++;