From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754955AbeCGXN4 (ORCPT ); Wed, 7 Mar 2018 18:13:56 -0500 Received: from mail.bootlin.com ([62.4.15.54]:57173 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754706AbeCGXNz (ORCPT ); Wed, 7 Mar 2018 18:13:55 -0500 From: Alexandre Belloni To: linux-rtc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH] rtc: Add useful timestamp definitions Date: Thu, 8 Mar 2018 00:13:52 +0100 Message-Id: <20180307231352.21840-1-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.16.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add commonly used timestamps for range definition. Signed-off-by: Alexandre Belloni --- include/linux/rtc.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 82a3038f16ab..4c007f69082f 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -169,6 +169,11 @@ struct rtc_device { }; #define to_rtc_device(d) container_of(d, struct rtc_device, dev) +/* useful timestamps */ +#define RTC_TIMESTAMP_BEGIN_1900 -2208989361LL /* 1900-01-01 00:00:00 */ +#define RTC_TIMESTAMP_BEGIN_2000 946684800LL /* 2000-01-01 00:00:00 */ +#define RTC_TIMESTAMP_END_2099 4102444799LL /* 2099-12-31 23:59:59 */ + extern struct rtc_device *rtc_device_register(const char *name, struct device *dev, const struct rtc_class_ops *ops, -- 2.16.2