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 5de6dffb..7291c21 100644
--- a/drivers/tty/serial/jsm/jsm_neo.c
+++ b/drivers/tty/serial/jsm/jsm_neo.c
@@ -644,7 +644,7 @@
/* 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);