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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>
This commit is contained in:
Masahiro Yamada 2014-10-30 12:11:14 +09:00
parent 9906090f52
commit 325b708a61
1 changed files with 2 additions and 13 deletions
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15
drivers/serial/serial_uniphier.c
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@ -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);