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Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT087.mail.protection.outlook.com (10.13.172.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.6411.29 via Frontend Transport; Tue, 23 May 2023 20:49:48 +0000 Received: from amd-ETHANOL-X.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Tue, 23 May 2023 15:49:47 -0500 From: Baskaran Kannan To: , , , , , , Subject: [PATCH] hwmon: (k10temp) Report negative temperatures Date: Tue, 23 May 2023 15:49:32 -0500 Message-ID: <20230523204932.2679-1-Baski.Kannan@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT087:EE_|DM6PR12MB4926:EE_ X-MS-Office365-Filtering-Correlation-Id: 8575b808-95f6-4206-ee69-08db5bcf3fb0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 May 2023 20:49:48.7193 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8575b808-95f6-4206-ee69-08db5bcf3fb0 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT087.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4926 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Currently, the tctl and die temperatures are rounded off to zero if they are less than 0. There are industrial processors which work below zero. To display the correct temperature remove the rounding off. Signed-off-by: Baskaran Kannan --- drivers/hwmon/k10temp.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index 7b177b9fbb09..489ad0b1bc74 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -204,13 +204,9 @@ static int k10temp_read_temp(struct device *dev, u32 a= ttr, int channel, switch (channel) { case 0: /* Tctl */ *val =3D get_raw_temp(data); - if (*val < 0) - *val =3D 0; break; case 1: /* Tdie */ *val =3D get_raw_temp(data) - data->temp_offset; - if (*val < 0) - *val =3D 0; break; case 2 ... 13: /* Tccd{1-12} */ amd_smn_read(amd_pci_dev_to_node_id(data->pdev), --=20 2.25.1