From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 40834BA44 for ; Tue, 7 Mar 2023 17:53:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9999DC433D2; Tue, 7 Mar 2023 17:53:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678211604; bh=iz+cM73n11GcC8NPjrwxOQLmGFQko/mYr58y6SQbwTw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Gk3LUIPr/vd6ZuWWqUvMkS/RXwfqBX9GOiCkwc1VCHQHfr0/myU5M4WVQNcCwxj/Z D+JPsCpMMVYqxWAdNRhYnAO8vj0qU/LpZiVkS8imWwTAufbjPTYXFLrtWseUVT31sP +vSFKRbMQQDsvgJNsS3Hn76nKH3QUqiQ9EsDTd1o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zev Weiss , Guenter Roeck , stable@kernel.org Subject: [PATCH 6.2 0916/1001] hwmon: (nct6775) Fix incorrect parenthesization in nct6775_write_fan_div() Date: Tue, 7 Mar 2023 18:01:28 +0100 Message-Id: <20230307170101.809651907@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Zev Weiss commit 2fbb848b65cde5b876cce52ebcb34de4aaa5a94a upstream. Commit 4ef2774511dc ("hwmon: (nct6775) Convert register access to regmap API") fumbled the shifting & masking of the fan_div values such that odd-numbered fan divisors would always be set to zero. Fix it so that we actually OR in the bits we meant to. Signed-off-by: Zev Weiss Fixes: 4ef2774511dc ("hwmon: (nct6775) Convert register access to regmap API") Cc: stable@kernel.org # v5.19+ Link: https://lore.kernel.org/r/20230102212857.5670-1-zev@bewilderbeest.net Signed-off-by: Guenter Roeck Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/nct6775-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/hwmon/nct6775-core.c +++ b/drivers/hwmon/nct6775-core.c @@ -1150,7 +1150,7 @@ static int nct6775_write_fan_div(struct if (err) return err; reg &= 0x70 >> oddshift; - reg |= data->fan_div[nr] & (0x7 << oddshift); + reg |= (data->fan_div[nr] & 0x7) << oddshift; return nct6775_write_value(data, fandiv_reg, reg); }