serial: sh-sci: Use SCIF_DR instead of hardcoded literal 1

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index fa26be7f9414dfc2b72878802d1304c46d8cd113..300f641e730d1ac5dd107892f34aa90bba833fd7 100644 (file)
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -960,7 +960,8 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
                }
                serial_port_out(port, SCSCR, scr);
                /* Clear current interrupt */
-               serial_port_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port)));
+               serial_port_out(port, SCxSR,
+                               ssr & ~(SCIF_DR | SCxSR_RDxF(port)));
                dev_dbg(port->dev, "Rx IRQ %lu: setup t-out in %u jiffies\n",
                        jiffies, s->rx_timeout);
                mod_timer(&s->rx_timer, jiffies + s->rx_timeout);