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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDA53C4332F for ; Mon, 27 Dec 2021 19:07:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231609AbhL0TH3 (ORCPT ); Mon, 27 Dec 2021 14:07:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232491AbhL0TGd (ORCPT ); Mon, 27 Dec 2021 14:06:33 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9EAA2C06137F; Mon, 27 Dec 2021 11:06:25 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3D8A161159; Mon, 27 Dec 2021 19:06:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 158C4C36AE7; Mon, 27 Dec 2021 19:06:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640631984; bh=3/bHUArtfA9kPI8eIXQoRUaDIyjxb4NxuVGOJC8ByD0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MbN4RYfRkZSINs/3oXv6Tkfag47N3zw5GGQqkFDEXdEUcqpVQemF8EKuXo6Osfs/F pKuNLUnEORwzezM+kZDEJcZ/XYmC0HXnDH84vJrG7FdVWBnreHNWCjDM66zJGZ1F1t bbN9oAJON/SiW+nAoy3a65w2RbkLpyA70+rQlgk/9X1Pxf+VZdSrbKJdOHO4nOyn3t dY9hGaGnjjb3lrNueeJibAft+wDPeufxtB+eJHbyB5E+ln39toJ5ruhg+uqHUSbqbi Neu+saSupLypcPY5XrBMOHCcWUC0OSqBw6wRv+WqVobGMyZTOri5nrifBHtZ4G9peC aL0f4h53MBVJA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Guenter Roeck , Sasha Levin , jdelvare@suse.com, linux-hwmon@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 3/6] hwmon: (lm90) Do not report 'busy' status bit as alarm Date: Mon, 27 Dec 2021 14:06:07 -0500 Message-Id: <20211227190615.1043350-3-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211227190615.1043350-1-sashal@kernel.org> References: <20211227190615.1043350-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guenter Roeck [ Upstream commit cdc5287acad9ede121924a9c9313544b80d15842 ] Bit 7 of the status register indicates that the chip is busy doing a conversion. It does not indicate an alarm status. Stop reporting it as alarm status bit. Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/lm90.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index c187e557678ef..fee0783ef36e6 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -197,6 +197,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ #define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ #define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ +#define LM90_STATUS_BUSY (1 << 7) /* conversion is ongoing */ #define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ #define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ @@ -786,7 +787,7 @@ static int lm90_update_device(struct device *dev) val = lm90_read_reg(client, LM90_REG_R_STATUS); if (val < 0) return val; - data->alarms = val; /* lower 8 bit of alarms */ + data->alarms = val & ~LM90_STATUS_BUSY; if (data->kind == max6696) { val = lm90_select_remote_channel(client, data, 1); -- 2.34.1