Commit 76ac8e29 authored by Crescent CY Hsieh's avatar Crescent CY Hsieh Committed by Greg Kroah-Hartman
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tty: serial: Cleanup the bit shift with macro 



This patch replaces the bit shift code with "_BITUL()" macro inside
"serial_rs485" struct.

Signed-off-by: default avatarCrescent CY Hsieh <crescentcy.hsieh@moxa.com>
Link: https://lore.kernel.org/r/20231201071554.258607-2-crescentcy.hsieh@moxa.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d4303e0b

include/uapi/linux/serial.h

+9 −8
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#ifndef _UAPI_LINUX_SERIAL_H

#define _UAPI_LINUX_SERIAL_H



#include <linux/const.h>

#include <linux/types.h>



#include <linux/tty_flags.h>
@@ -140,14 +141,14 @@ struct serial_icounter_struct { 
 */

struct serial_rs485 {

	__u32	flags;

#define SER_RS485_ENABLED		(1 << 0)

#define SER_RS485_RTS_ON_SEND		(1 << 1)

#define SER_RS485_RTS_AFTER_SEND	(1 << 2)

#define SER_RS485_RX_DURING_TX		(1 << 4)

#define SER_RS485_TERMINATE_BUS		(1 << 5)

#define SER_RS485_ADDRB			(1 << 6)

#define SER_RS485_ADDR_RECV		(1 << 7)

#define SER_RS485_ADDR_DEST		(1 << 8)

#define SER_RS485_ENABLED		_BITUL(0)

#define SER_RS485_RTS_ON_SEND		_BITUL(1)

#define SER_RS485_RTS_AFTER_SEND	_BITUL(2)

#define SER_RS485_RX_DURING_TX		_BITUL(3)

#define SER_RS485_TERMINATE_BUS		_BITUL(4)

#define SER_RS485_ADDRB			_BITUL(5)

#define SER_RS485_ADDR_RECV		_BITUL(6)

#define SER_RS485_ADDR_DEST		_BITUL(7)



	__u32	delay_rts_before_send;

	__u32	delay_rts_after_send;