From: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Fri, 11 Jul 2014 11:29:04 +0000 (+0900)
Subject: serial: ns16550: use a const variable instead of macro
X-Git-Tag: v2014.10-rc1~104
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=5b9587ae31e26c5d6fd04ff0ef8cd7541b5abf56;p=u-boot

serial: ns16550: use a const variable instead of macro

Just for type checking.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Marek Vasut <marex@denx.de>
Acked-by: Marek Vasut <marex@denx.de>
---

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 49e2c1f14f..4413e69118 100644
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -120,6 +120,8 @@ static NS16550_t serial_ports[6] = {
 
 static int calc_divisor (NS16550_t port)
 {
+	const unsigned int mode_x_div = 16;
+
 #ifdef CONFIG_OMAP1510
 	/* If can't cleanly clock 115200 set div to 1 */
 	if ((CONFIG_SYS_NS16550_CLK == 12000000) && (gd->baudrate == 115200)) {
@@ -129,10 +131,8 @@ static int calc_divisor (NS16550_t port)
 	port->osc_12m_sel = 0;			/* clear if previsouly set */
 #endif
 
-#define MODE_X_DIV 16
-
 	return DIV_ROUND_CLOSEST(CONFIG_SYS_NS16550_CLK,
-						MODE_X_DIV * gd->baudrate);
+						mode_x_div * gd->baudrate);
 }
 
 void