serial: UniPhier: borrow macros from linux/serial_reg.h

The same bit-field macros are defined in include/linux/serial_reg.h
so let's include it and delete duplicated defines.

Also, remove unnecessary inclusion of <common.h>.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

diff --git a/drivers/serial/serial_uniphier.c b/drivers/serial/serial_uniphier.c
index 3f3d4152134af0a1706535e0b11e21849442ef84..6046efb51fe87b8711bf7e4c13e007ead20e3647 100644 (file)
--- a/drivers/serial/serial_uniphier.c
+++ b/drivers/serial/serial_uniphier.c
@@ -5,7 +5,7 @@
  * SPDX-License-Identifier:    GPL-2.0+
  */
 
-#include <common.h>
+#include <linux/serial_reg.h>
 #include <asm/io.h>
 #include <asm/errno.h>
 #include <dm/device.h>
@@ -37,17 +37,6 @@ struct uniphier_serial {
 
 #define thr rbr
 
-/*
- * These are the definitions for the Line Control Register
- */
-#define UART_LCR_WLS_8 0x03            /* 8 bit character length */
-
-/*
- * These are the definitions for the Line Status Register
- */
-#define UART_LSR_DR    0x01            /* Data ready */
-#define UART_LSR_THRE  0x20            /* Xmit holding register empty */
-
 struct uniphier_serial_private_data {
        struct uniphier_serial __iomem *membase;
 };
@@ -62,7 +51,7 @@ static int uniphier_serial_setbrg(struct udevice *dev, int baudrate)
        const unsigned int mode_x_div = 16;
        unsigned int divisor;
 
-       writeb(UART_LCR_WLS_8, &port->lcr);
+       writeb(UART_LCR_WLEN8, &port->lcr);
 
        divisor = DIV_ROUND_CLOSEST(plat->uartclk, mode_x_div * baudrate);