diff options
| -rw-r--r-- | drivers/tty/serial/mvf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/mvf.c b/drivers/tty/serial/mvf.c index ae35ffdf4907..1bf9a474aa46 100644 --- a/drivers/tty/serial/mvf.c +++ b/drivers/tty/serial/mvf.c @@ -552,6 +552,10 @@ static int imx_setup_watermark(struct imx_port *sport, unsigned int mode) MXC_UARTCR2_RIE | MXC_UARTCR2_RE); writeb(cr2, sport->port.membase + MXC_UARTCR2); + /* Clear pending receive interrupt if needed */ + while (readb(sport->port.membase + MXC_UARTSR1) & MXC_UARTSR1_RDRF) + val = readb(sport->port.membase + MXC_UARTDR); + val = TXTL; writeb(val, sport->port.membase + MXC_UARTTWFIFO); val = RXTL; |