From patchwork Wed Aug 4 10:41:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 12418551 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C59AC4320A for ; Wed, 4 Aug 2021 10:43:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35AD861100 for ; Wed, 4 Aug 2021 10:43:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237508AbhHDKnR (ORCPT ); Wed, 4 Aug 2021 06:43:17 -0400 Received: from mslow1.mail.gandi.net ([217.70.178.240]:36723 "EHLO mslow1.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237520AbhHDKnG (ORCPT ); Wed, 4 Aug 2021 06:43:06 -0400 Received: from relay9-d.mail.gandi.net (unknown [217.70.183.199]) by mslow1.mail.gandi.net (Postfix) with ESMTP id 5D50FC48B2 for ; Wed, 4 Aug 2021 10:42:47 +0000 (UTC) Received: (Authenticated sender: alexandre.belloni@bootlin.com) by relay9-d.mail.gandi.net (Postfix) with ESMTPSA id B1223FF807; Wed, 4 Aug 2021 10:42:20 +0000 (UTC) From: Alexandre Belloni To: Alessandro Zummo , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Alexandre Belloni Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 4/4] rtc: s5m: set range Date: Wed, 4 Aug 2021 12:41:32 +0200 Message-Id: <20210804104133.5158-4-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210804104133.5158-1-alexandre.belloni@bootlin.com> References: <20210804104133.5158-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The S5M8763X type seems to handles dates from year 0000 to 9999, there is no info on leap year handling after 2099. The other models handles dates from 2000 to 2099. Signed-off-by: Alexandre Belloni Reviewed-by: Krzysztof Kozlowski --- drivers/rtc/rtc-s5m.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c index 87df797758fc..fb9c6b709e13 100644 --- a/drivers/rtc/rtc-s5m.c +++ b/drivers/rtc/rtc-s5m.c @@ -204,15 +204,9 @@ static int s5m8767_tm_to_data(struct rtc_time *tm, u8 *data) data[RTC_WEEKDAY] = 1 << tm->tm_wday; data[RTC_DATE] = tm->tm_mday; data[RTC_MONTH] = tm->tm_mon + 1; - data[RTC_YEAR1] = tm->tm_year > 100 ? (tm->tm_year - 100) : 0; + data[RTC_YEAR1] = tm->tm_year - 100; - if (tm->tm_year < 100) { - pr_err("RTC cannot handle the year %d\n", - 1900 + tm->tm_year); - return -EINVAL; - } else { - return 0; - } + return 0; } /* @@ -792,6 +786,14 @@ static int s5m_rtc_probe(struct platform_device *pdev) info->rtc_dev->ops = &s5m_rtc_ops; + if (info->device_type == S5M8763X) { + info->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_0000; + info->rtc_dev->range_max = RTC_TIMESTAMP_END_9999; + } else { + info->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_2000; + info->rtc_dev->range_max = RTC_TIMESTAMP_END_2099; + } + if (!info->irq) { clear_bit(RTC_FEATURE_ALARM, info->rtc_dev->features); } else {