linux-kernel - [PATCH 4/5] serial: jsm: Replace magic value with the proper define

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Date:	Sun,  9 Nov 2014 02:22:19 +0100
From:	Konrad Zapalowicz <bergo.torino@...il.com>
To:	cascardo@...ux.vnet.ibm.com
Cc:	gregkh@...uxfoundation.org, jslaby@...e.cz,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	Konrad Zapalowicz <bergo.torino@...il.com>
Subject: [PATCH 4/5] 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@...il.com>
---
 drivers/tty/serial/jsm/jsm_neo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 @@ 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);
-- 
1.9.1

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