[U-Boot] [PATCH 3/3] serial: ns16550: use a const variable instead of macro

Masahiro Yamada yamada.m at jp.panasonic.com
Fri Jul 11 13:29:04 CEST 2014


Just for type checking.

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

 drivers/serial/serial_ns16550.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 49e2c1f..4413e69 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
-- 
1.9.1



More information about the U-Boot mailing list