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 3B4B6C433EF for ; Mon, 27 Dec 2021 15:34:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238229AbhL0PeK (ORCPT ); Mon, 27 Dec 2021 10:34:10 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:34618 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237862AbhL0Pdm (ORCPT ); Mon, 27 Dec 2021 10:33:42 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 30ED461073; Mon, 27 Dec 2021 15:33:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 419B5C36AE7; Mon, 27 Dec 2021 15:33:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1640619221; bh=hZn2+KMwU2GwO/eyv5PRO21kTJajH9sJQGVi63KP6eI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SLnYjxC404LazxddossM91Bp+O57Wqeb0+vzIo2kJwNkzrtroTJHtRlHFrWClY09z ZcTO7EfoDuz0tCGfnMcnWbV5m/RtLk2d+EBLp9ty/DHEK5BcAoOJh8uU6pR6E84Y5q W+lZwJlnxnvZMpWF9PdASR0P6JWUdyHLFlfSyF70= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guenter Roeck Subject: [PATCH 4.19 34/38] hwmon: (lm90) Do not report busy status bit as alarm Date: Mon, 27 Dec 2021 16:31:11 +0100 Message-Id: <20211227151320.527316810@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211227151319.379265346@linuxfoundation.org> References: <20211227151319.379265346@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 @@ -197,6 +197,7 @@ 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 */ @@ -786,7 +787,7 @@ 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(client, data, 1);