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 4202D1C03 for ; Mon, 20 Mar 2023 15:12:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2CDCC4339C; Mon, 20 Mar 2023 15:12:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1679325150; bh=1dmy8v+6t/Q81mRh9oGB2LK5JOqFchzXvLhucNgLVas=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AEZBPYZmO7tbTbPxB0ML95wySbUOEEy1ctTV6zbXD549wd/BDZ2bBlxTRGtezjcM8 O6fjghAmxn37DHu27XYPU2M5hyNtzmqr6c0NzOA+lN9TAQz4klB3eqUHly3Dih9Mpe DQvybnXKi6dXAYQj4K0UgcSjMjIuE9SCZMvCWAcA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tony OBrien , Guenter Roeck , Sasha Levin Subject: [PATCH 5.15 054/115] hwmon: (adt7475) Fix masking of hysteresis registers Date: Mon, 20 Mar 2023 15:54:26 +0100 Message-Id: <20230320145451.691211271@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230320145449.336983711@linuxfoundation.org> References: <20230320145449.336983711@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: Tony O'Brien [ Upstream commit 48e8186870d9d0902e712d601ccb7098cb220688 ] The wrong bits are masked in the hysteresis register; indices 0 and 2 should zero bits [7:4] and preserve bits [3:0], and index 1 should zero bits [3:0] and preserve bits [7:4]. Fixes: 1c301fc5394f ("hwmon: Add a driver for the ADT7475 hardware monitoring chip") Signed-off-by: Tony O'Brien Link: https://lore.kernel.org/r/20230222005228.158661-3-tony.obrien@alliedtelesis.co.nz Signed-off-by: Guenter Roeck Signed-off-by: Sasha Levin --- drivers/hwmon/adt7475.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index c7f19a1ca0a59..6b84822e7d93b 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -486,10 +486,10 @@ static ssize_t temp_store(struct device *dev, struct device_attribute *attr, val = (temp - val) / 1000; if (sattr->index != 1) { - data->temp[HYSTERSIS][sattr->index] &= 0xF0; + data->temp[HYSTERSIS][sattr->index] &= 0x0F; data->temp[HYSTERSIS][sattr->index] |= (val & 0xF) << 4; } else { - data->temp[HYSTERSIS][sattr->index] &= 0x0F; + data->temp[HYSTERSIS][sattr->index] &= 0xF0; data->temp[HYSTERSIS][sattr->index] |= (val & 0xF); } -- 2.39.2