Messages in this thread Patch in this message | | | From | "Matwey V. Kornilov" <> | Subject | [PATCH v3 2/5] tty: Introduce SER_RS485_SOFTWARE read-only flag for struct serial_rs485 | Date | Thu, 12 Nov 2015 17:33:53 +0300 |
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This flag is supposed to be used by uart drivers using software rs485 direction control.
Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru> --- include/uapi/linux/serial.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/uapi/linux/serial.h b/include/uapi/linux/serial.h index 25331f9..95b15ca 100644 --- a/include/uapi/linux/serial.h +++ b/include/uapi/linux/serial.h @@ -121,6 +121,9 @@ struct serial_rs485 { #define SER_RS485_RTS_AFTER_SEND (1 << 2) /* Logical level for RTS pin after sent*/ #define SER_RS485_RX_DURING_TX (1 << 4) +#define SER_RS485_SOFTWARE (1 << 5) /* Software + implementation is + being used */ __u32 delay_rts_before_send; /* Delay before send (milliseconds) */ __u32 delay_rts_after_send; /* Delay after send (milliseconds) */ __u32 padding[5]; /* Memory is cheap, new structs -- 2.6.2
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