From patchwork Wed Oct 16 20:16:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandre Belloni X-Patchwork-Id: 11194449 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 80E0876 for ; Wed, 16 Oct 2019 20:24:10 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5EA8F21835 for ; Wed, 16 Oct 2019 20:24:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="V+6YG/Pj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EA8F21835 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sUOvSB0clTZiZqu0ecqi/ZfWf7eV4Teu+NuWFONA1fU=; b=V+6YG/PjyeZZLu aYUG5b0wWZN8ie0HSRhkayVSznAZew+hxbgvqLsN+B5l6w8xQBZqN7zsktXtm0TTHxZYgXd40GpV5 zILVDbu6AgVZfwQqNo6gb3r56LIvS9jFsYn2n9YbmTX/9G6csqcfbD5Iw0bjy0LvycLnpVGz246wm JblKPU+9d2W1BaFJmFZpi4txBHVn1ustJzue6pN9gknB7gpKGYXIocU4suTLX/ksz1Cz2M7UADg8d RuusI7mfrOdDOfUk7AcSIESgr5JmScVsyofO6sVxcmW8G6Y+l4O4zWe/sccLLGp/N8sd8ZToZn4Ck NJM3qMcoH2DK8G5M1i3w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKpq5-0003Dx-G3; Wed, 16 Oct 2019 20:24:09 +0000 Received: from relay2-d.mail.gandi.net ([217.70.183.194]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKpit-0003dy-8B for linux-arm-kernel@lists.infradead.org; Wed, 16 Oct 2019 20:16:45 +0000 X-Originating-IP: 86.202.229.42 Received: from localhost (lfbn-lyo-1-146-42.w86-202.abo.wanadoo.fr [86.202.229.42]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay2-d.mail.gandi.net (Postfix) with ESMTPSA id 9BC1140002; Wed, 16 Oct 2019 20:16:34 +0000 (UTC) From: Alexandre Belloni To: linux-rtc@vger.kernel.org Subject: [PATCH 5/5] rtc: vt8500: let the core handle rtc range Date: Wed, 16 Oct 2019 22:16:26 +0200 Message-Id: <20191016201626.31309-5-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191016201626.31309-1-alexandre.belloni@bootlin.com> References: <20191016201626.31309-1-alexandre.belloni@bootlin.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191016_131643_543772_661BFB62 X-CRM114-Status: GOOD ( 10.72 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [217.70.183.194 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Prisk , Alexandre Belloni , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Let the rtc core check the date/time against the RTC range. Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-vt8500.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index 0761478861f8..e2588625025f 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -122,12 +122,6 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct vt8500_rtc *vt8500_rtc = dev_get_drvdata(dev); - if (tm->tm_year < 100) { - dev_warn(dev, "Only years 2000-2199 are supported by the " - "hardware!\n"); - return -EINVAL; - } - writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S) | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S) | (bin2bcd(tm->tm_mday)) @@ -227,6 +221,8 @@ static int vt8500_rtc_probe(struct platform_device *pdev) return PTR_ERR(vt8500_rtc->rtc); vt8500_rtc->rtc->ops = &vt8500_rtc_ops; + vt8500_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000; + vt8500_rtc->rtc->range_max = RTC_TIMESTAMP_END_2199; ret = devm_request_irq(&pdev->dev, vt8500_rtc->irq_alarm, vt8500_rtc_irq, 0, "rtc alarm", vt8500_rtc);