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Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-pm@vger.kernel.org (open list:THERMAL), linux-arm-kernel@lists.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Cc: imx@lists.linux.dev Subject: [PATCH 1/1] thermal/drivers/imx_sc_thermal: return -EAGAIN when SCFW turn off resource Date: Wed, 12 Jul 2023 17:05:04 -0400 Message-Id: <20230712210505.1536416-1-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: SJ0PR13CA0005.namprd13.prod.outlook.com (2603:10b6:a03:2c0::10) To AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB4838:EE_|DB9PR04MB9627:EE_ X-MS-Office365-Filtering-Correlation-Id: 6b9578e8-6b65-4031-2d34-08db831bb6d1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: o2Qf024yhHKurzQ3pZ2GpoXDBUDFAeDrDdRmzUDBJHIpRLwZ+ynvVlBfQ6jvqu47+tBtGoDMIJY3SYDsBdRRsfQ/dp/0wkHVfXQSo7bA16eBb/gTmFOdc/jffgGO4m/eauLJLpB/FlWFAEbLTgF+o/ErUnNe2cTus8hvDdYal0Y6+s3x14iPOOfNxpo1hRHr6J9vimaV7eXTyVnlZKsxoPs0z08lPwUBQTinxhe0L86C2MngbPxxwuln0nX3W48hbN8q4m7rH3+iPwKnFBpklbMOTn9hk1vfi6rUpWyKWrYTsg7tr7mCFVS8l3Z1fyiRcVFKjWOOKE3n+7HgoMo90CLSKTlMADr7B4zdvbfyY9PsV2bUvrQP63GNY9Z/fejOdcc63PoTJvADnuVMZ2LPcqGLjQw60naNvYvH3OL5GaVHWfxam/VGy8ZYTueVCbWssNSCOZ7dyuiS4wSn1GbRDW81Z92PWlzFIMzh4xOiXAkn9t7P39mi9bk7v6RP/LFICQif4oN+Mbx04bnmFRHGFZP+GorW0zJ4+tTPwn/QyH4SQDvJWG8mDenP08xJa1yDY/Lpyl++1DYsk5fkBxnte3+aYOXe+RxVAvcAOfAY/rB8Yr1Spl4cwnPvalVBJ4w3DMtc8Ywxz13abcMRz0FoHA== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR04MB4838.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230028)(4636009)(376002)(39860400002)(366004)(396003)(136003)(346002)(451199021)(83380400001)(86362001)(8676002)(8936002)(186003)(4744005)(2616005)(2906002)(36756003)(5660300002)(7416002)(26005)(6506007)(921005)(110136005)(38100700002)(38350700002)(52116002)(6666004)(66946007)(66556008)(6486002)(4326008)(66476007)(478600001)(1076003)(41300700001)(316002)(6512007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6b9578e8-6b65-4031-2d34-08db831bb6d1 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4838.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jul 2023 21:05:26.0513 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 6Ptjuh2wLC5l1oK/VX4hagkQd056D46tSdhCc9snO+3oOIUZjshwkby8Ux8reSspqWTp8yjnnQKH74Fj+BWq1A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR04MB9627 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Avoid endless print following message when SCFW turns off resource. [ 1818.342337] thermal thermal_zone0: failed to read out thermal zone (-1) Signed-off-by: Frank Li --- drivers/thermal/imx_sc_thermal.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c index 8d6b4ef23746..0533d58f199f 100644 --- a/drivers/thermal/imx_sc_thermal.c +++ b/drivers/thermal/imx_sc_thermal.c @@ -58,7 +58,9 @@ static int imx_sc_thermal_get_temp(struct thermal_zone_device *tz, int *temp) hdr->size = 2; ret = imx_scu_call_rpc(thermal_ipc_handle, &msg, true); - if (ret) + if (ret == -EPERM) /* NO POWER */ + return -EAGAIN; + else if (ret) return ret; *temp = msg.data.resp.celsius * 1000 + msg.data.resp.tenths * 100;