From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 ABE57C282CE for ; Tue, 9 Apr 2019 20:00:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7A65C20833 for ; Tue, 9 Apr 2019 20:00:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726709AbfDIUAB (ORCPT ); Tue, 9 Apr 2019 16:00:01 -0400 Received: from relay4-d.mail.gandi.net ([217.70.183.196]:60303 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726664AbfDIUAA (ORCPT ); Tue, 9 Apr 2019 16:00:00 -0400 X-Originating-IP: 90.66.53.80 Received: from localhost (lfbn-1-3034-80.w90-66.abo.wanadoo.fr [90.66.53.80]) (Authenticated sender: alexandre.belloni@bootlin.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id 24E81E0003; Tue, 9 Apr 2019 19:59:57 +0000 (UTC) From: Alexandre Belloni To: linux-rtc@vger.kernel.org Cc: Linus Walleij , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH 1/3] rtc: ab3100: set range Date: Tue, 9 Apr 2019 21:59:43 +0200 Message-Id: <20190409195945.20725-1-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ab3100 has a 48bit counter running at 65536 Hz (despite one of the comment). The max value is then (2^48 - 1)/2^16 == 2^32 - 1. Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-ab3100.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c index 821ff52a2222..f73a3707b897 100644 --- a/drivers/rtc/rtc-ab3100.c +++ b/drivers/rtc/rtc-ab3100.c @@ -228,15 +228,17 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev) /* Ignore any error on this write */ } - rtc = devm_rtc_device_register(&pdev->dev, "ab3100-rtc", - &ab3100_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - err = PTR_ERR(rtc); - return err; - } + rtc = devm_rtc_allocate_device(&pdev->dev); + if (IS_ERR(rtc)) + return PTR_ERR(rtc); + + rtc->ops = &ab3100_rtc_ops; + /* 48bit counter at (AB3100_RTC_CLOCK_RATE * 2) */ + rtc->range_max = U32_MAX; + platform_set_drvdata(pdev, rtc); - return 0; + return rtc_register_device(rtc); } static struct platform_driver ab3100_rtc_driver = { -- 2.20.1