Hi everyone,
> This patch replaces the bit shift code with "_BITUL()" macro inside
> "serial_rs485" struct.
>
> Signed-off-by: Crescent CY Hsieh <crescentcy.hsieh@xxxxxxxx>
> ---
> include/uapi/linux/serial.h | 17 +++++++++--------
> 1 file changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/include/uapi/linux/serial.h b/include/uapi/linux/serial.h
> index 53bc1af67..6c75ebdd7 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)
In the old definition (1 << 3) wasn't used.
> -#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)
Isn't it a break if number 3 isn't skipped here as well?
Regards
Christoph
