serial: jsm: Replace magic value with the proper define

The changed function flushes the tx UART and the '4' corresponds to the
UART_FCR_CLEAR_XMIT value. This commit replaces the magic number with
this define.

Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c
index 5de6dffbdc0c8437067764fb88febb78e8b8c06b..7291c2117daaf180f54b314003366e235410d5bd 100644 (file)
--- a/drivers/tty/serial/jsm/jsm_neo.c
+++ b/drivers/tty/serial/jsm/jsm_neo.c
@@ -644,7 +644,7 @@ static void neo_flush_uart_write(struct jsm_channel *ch)
 
                /* Check to see if the UART feels it completely flushed the FIFO. */
                tmp = readb(&ch->ch_neo_uart->isr_fcr);
-               if (tmp & 4) {
+               if (tmp & UART_FCR_CLEAR_XMIT) {
                        jsm_dbg(IOCTL, &ch->ch_bd->pci_dev,
                                "Still flushing TX UART... i: %d\n", i);
                        udelay(10);