From patchwork Thu Dec 12 10:36:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 1208380 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; 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=bootlin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47YVc14qqSz9sPn for ; Thu, 12 Dec 2019 21:37:21 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728561AbfLLKhR (ORCPT ); Thu, 12 Dec 2019 05:37:17 -0500 Received: from relay8-d.mail.gandi.net ([217.70.183.201]:53903 "EHLO relay8-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728708AbfLLKhK (ORCPT ); Thu, 12 Dec 2019 05:37:10 -0500 X-Originating-IP: 93.29.109.196 Received: from localhost.localdomain (196.109.29.93.rev.sfr.net [93.29.109.196]) (Authenticated sender: paul.kocialkowski@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 6AB551BF21A; Thu, 12 Dec 2019 10:37:08 +0000 (UTC) From: Paul Kocialkowski To: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Alessandro Zummo , Alexandre Belloni , Thomas Petazzoni , Paul Kocialkowski Subject: [PATCH 2/2] rtc: hym8563: Return -EINVAL if the time is known to be invalid Date: Thu, 12 Dec 2019 11:36:58 +0100 Message-Id: <20191212103658.937528-2-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191212103658.937528-1-paul.kocialkowski@bootlin.com> References: <20191212103658.937528-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org The current code returns -EPERM when the voltage loss bit is set. Since the bit indicates that the time value is not valid, return -EINVAL instead, which is the appropriate error code for this situation. Signed-off-by: Paul Kocialkowski --- drivers/rtc/rtc-hym8563.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c index 584a7815f246..e547a892b692 100644 --- a/drivers/rtc/rtc-hym8563.c +++ b/drivers/rtc/rtc-hym8563.c @@ -101,7 +101,7 @@ static int hym8563_rtc_read_time(struct device *dev, struct rtc_time *tm) if (ret & HYM8563_SEC_VL) { dev_warn(&client->dev, "no valid clock/calendar values available\n"); - return -EPERM; + return -EINVAL; } tm->tm_sec = bcd2bin(buf[0] & HYM8563_SEC_MASK);