From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754645AbbKLOgX (ORCPT ); Thu, 12 Nov 2015 09:36:23 -0500 Received: from mail-lb0-f169.google.com ([209.85.217.169]:35976 "EHLO mail-lb0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752868AbbKLOfb (ORCPT ); Thu, 12 Nov 2015 09:35:31 -0500 From: "Matwey V. Kornilov" To: gregkh@linuxfoundation.org, jslaby@suse.com, peter@hurleysoftware.com Cc: "Matwey V. Kornilov" , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org 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 Message-Id: <1447338836-8785-3-git-send-email-matwey@sai.msu.ru> X-Mailer: git-send-email 2.6.2 In-Reply-To: <1447338836-8785-1-git-send-email-matwey@sai.msu.ru> References: <1447338836-8785-1-git-send-email-matwey@sai.msu.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This flag is supposed to be used by uart drivers using software rs485 direction control. Signed-off-by: Matwey V. Kornilov --- 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