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 76211C4332F for ; Mon, 27 Dec 2021 15:36:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238364AbhL0Pgf (ORCPT ); Mon, 27 Dec 2021 10:36:35 -0500 Received: from sin.source.kernel.org ([145.40.73.55]:40304 "EHLO sin.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238648AbhL0PgE (ORCPT ); Mon, 27 Dec 2021 10:36:04 -0500 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 sin.source.kernel.org (Postfix) with ESMTPS id 8967ECE10B6; Mon, 27 Dec 2021 15:36:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9D109C36AEB; Mon, 27 Dec 2021 15:36:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1640619361; bh=Ui4OCXFnjgcP/jHTBEkj9DmeSeZ9wFv/NCVz6KZyZqg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n6tZ1KVPH7PKfB0vZSpm6fN0rbZ+ItEYHq3ux9BnXSkrmDd5f3IlanqNNwVOgR/Pe VAun+oJtNRHww26fM/gYZ0S/CdiScZcHspBIM5rWY5c+SZPj/qbLnTIfVGJzNbuCl3 SZfhf1qoinUdED9sslhXXut4F8MdBwgfDGQAEYWs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guenter Roeck Subject: [PATCH 5.4 43/47] hwmon: (lm90) Do not report busy status bit as alarm Date: Mon, 27 Dec 2021 16:31:19 +0100 Message-Id: <20211227151322.291125681@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211227151320.801714429@linuxfoundation.org> References: <20211227151320.801714429@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guenter Roeck commit cdc5287acad9ede121924a9c9313544b80d15842 upstream. 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: Greg Kroah-Hartman --- drivers/hwmon/lm90.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -200,6 +200,7 @@ enum chips { lm90, adm1032, lm99, lm86, #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 */ @@ -819,7 +820,7 @@ static int lm90_update_device(struct 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(data, 1);