From patchwork Sat Sep 5 13:32:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Patchwork-Id: 1358040 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=gmx.net Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=gmx.net header.i=@gmx.net header.a=rsa-sha256 header.s=badeba3b8450 header.b=QE1RAvNc; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BkGHB034mz9sPB for ; Sat, 5 Sep 2020 23:53:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728637AbgIENxh (ORCPT ); Sat, 5 Sep 2020 09:53:37 -0400 Received: from mout.gmx.net ([212.227.17.20]:44717 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728616AbgIENgZ (ORCPT ); Sat, 5 Sep 2020 09:36:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1599312926; bh=5W5bgNq9LYqoutaDK2rdA3mh9k/FJm8P+tiRpaZx/oU=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=QE1RAvNcsKuOzWHvtSCwY8f+5D7QfHAziYrgkJQoekPhVEFjQDihltHUXpSnjw5nM tZVqTltohz0fuTEHEuaFTDRDd7SwJLI+tz6f0wOCBwNJg63/ARJuX9WDDAeSNh4zfC EbWa0/1oJLt/Hyvzn5xbJIjNappCqbZDLyFrbfMw= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([5.146.195.151]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MgesG-1kmV7K1v7E-00h63K; Sat, 05 Sep 2020 15:35:26 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-kernel@vger.kernel.org Cc: Lee Jones , Rob Herring , =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Alessandro Zummo , Alexandre Belloni , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Sam Ravnborg , Linus Walleij , Heiko Stuebner , Stephan Gerhold , Lubomir Rintel , Mark Brown , allen , Mauro Carvalho Chehab , "David S. Miller" , devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Heiko Stuebner , Josua Mayer , Andreas Kemnade , Arnd Bergmann , Daniel Palmer Subject: [PATCH v2 07/10] rtc: Introduce RTC_TIMESTAMP_END_2255 Date: Sat, 5 Sep 2020 15:32:27 +0200 Message-Id: <20200905133230.1014581-8-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200905133230.1014581-1-j.neuschaefer@gmx.net> References: <20200905133230.1014581-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:gdbZilmswnyaFo9HLwRIhQfH6ZnJNWEaZw34e8xYCo5CcoTu6Vj f4r7gD746AQYDN3lxm1zljlQC1wQzBfzwb31hL0i8/XNRcXOX+1dLuuh2TAmZYO7Qkh1245 8iXnpFze3eZKkxM4Qvekt7VthPmkb5HFVShC3zPEHqKTebboy8NyKLexLtjw/h6PYd66bWq y7rTxCB8v+jALVbVAUY3A== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:z9SeE1U8x8Q=:TvnLuwG5M3R4SehEmJ79gq MLS1kXDrpEa7OI5/hCdMRBzmpZOzktum0GSMQjgXpzhNLGEO7JHVu/i9PVWvAJu4K7T3wzetI 2Bd8wVPlgSnqXgnZgtj6scpIIee35IBd6n7n2LNIKUuYTzC6xq+EsZoMweRnoI5SuKRG0bVc7 GmMlBRqkFGSZBoRUPZX0v4G8XNi8RGuZoGQ/fYdK/V9T/EexxXJRQX58qJ+c0smribAr6yfqy MrTNNIWVF2OUwJGFfHBaDS7PDmRYIhoJPXDUQG2jauijomVVqs1jQfrafIW5sXzhIQjuDu1QQ p9fpKhIjWl31FrA6no0UqmCOPjQX6ZeFirQdw2ADmKnQzYtVtCcmcb+Buo1ha4P/LB9hfriGF kfaih2s6AV9hc2hipPnuY1Oi3t324vCWASwY1wzUttx4WietR+fodWoqSl/UC6/XIfV3j2lSG SrPp8COmooDcZsZExP0zWMMGXyVRE7wZUcli+R+PproKwSZDUz2uVYNxPsAC93AeyrU95eaj/ Ev/z6afzlqpSdn6EdCwj25+zrcMwyjVk00Wrcs7tdZnlb2BVuoxLekSjiIH+yCsmz+insZz58 nYgYdFbYslffgecFRzfEAFlMgNlBg0NrzRRckr7RIHmYONfUsRAhHcQN92rAj/tyLPQAwjMk+ bJrgFZIkoMB0fpPLVd5VnYYefb8KFFZX6+pT/BxH/MC90kC94/SV94nqV+B/PenJ03iSrs9aZ 9ySr6SZhQh9boXOg3p6PP+hf/hc+j/TUl+NwSN9TXoqwAqkPBUxiGoj9Hxq0fqwq16wQ6hH6c FKuAoG1J1EKc8+o2HLuH2WzIUhQQAJvUmdmrbZWyk7eqHV72hw7VLfwkYtQziMJzPdYLJHM7W 1kTvmaLL3AXRL13M+LP7rzIOD76bY+h11DMIaIZjkO7WL5ZTnQaX0H6LumQ4tnYS+hPuBVtfk clDU3xrzpxDoNjq076e33DcSqfgKDlosBSieWiAs/xWu87w9HKOMqteqhTJE4xH3XLUTvL8mU E2FTGqK7bzbevSD/+rm+nMOFGKgS6sEBvpXQrIrCaL1hx4EmU0je6dfjoVOn3Cs0BtKxITiHY fb9sTGbWlreupiGybAVeE7CRfr/NJrDtUw5KVYv+VThHePt4Bqankm8UYvzpUZ+/sL+gVgmo9 gD//aqkpcS4zYljM0auiePsqYBTIcnu/LxAaY/J3dE8U7SH3BjJGELqJrcriO8KmE20PkQQSZ xCcnWx7Ab9DuNLppmxShuYb3rHkUta3tggBSIkA== Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org Some RTCs store the year as an 8-bit number relative to the year 2000. This results in a maximum timestamp of 2255-12-31 23:59:59. Signed-off-by: Jonathan Neuschäfer --- v2: - New patch --- include/linux/rtc.h | 1 + 1 file changed, 1 insertion(+) -- 2.28.0 diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 22d1575e4991b..fcc086084a603 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -154,6 +154,7 @@ struct rtc_device { #define RTC_TIMESTAMP_END_2079 3471292799LL /* 2079-12-31 23:59:59 */ #define RTC_TIMESTAMP_END_2099 4102444799LL /* 2099-12-31 23:59:59 */ #define RTC_TIMESTAMP_END_2199 7258118399LL /* 2199-12-31 23:59:59 */ +#define RTC_TIMESTAMP_END_2255 9025257599LL /* 2255-12-31 23:59:59 */ #define RTC_TIMESTAMP_END_9999 253402300799LL /* 9999-12-31 23:59:59 */ extern struct rtc_device *devm_rtc_device_register(struct device *dev,