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authorCrescent CY Hsieh <crescentcy.hsieh@moxa.com>2023-12-01 15:15:53 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-01-04 16:20:36 +0100
commit76ac8e29855b06331d77a1d237a28ce97ac67a38 (patch)
tree06fd2eec66df7cc33ec508d97f01f724da468737 /include/uapi/linux
parentd4303e0b9f51b9dc97bd682332a1e2ded919bedc (diff)
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: Crescent CY Hsieh <crescentcy.hsieh@moxa.com> Link: https://lore.kernel.org/r/20231201071554.258607-2-crescentcy.hsieh@moxa.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi/linux')
-rw-r--r--include/uapi/linux/serial.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/include/uapi/linux/serial.h b/include/uapi/linux/serial.h
index 53bc1af67a41..6c75ebdd7797 100644
--- a/include/uapi/linux/serial.h
+++ b/include/uapi/linux/serial.h
@@ -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;