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Thu, 17 Feb 2022 12:12:18 +0000 Date: Thu, 17 Feb 2022 15:12:00 +0300 From: Dan Carpenter To: kbuild@lists.01.org, Sergey Shtylyov , Damien Le Moal , linux-ide@vger.kernel.org Cc: lkp@intel.com, kbuild-all@lists.01.org Subject: Re: [PATCH v2 2/2] ata: libata-sff: refactor ata_sff_altstatus() Message-ID: <202202141714.X7UdMJUj-lkp@intel.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220213151032.4694-3-s.shtylyov@omp.ru> User-Agent: Mutt/1.9.4 (2018-02-28) X-ClientProxiedBy: JNAP275CA0043.ZAFP275.PROD.OUTLOOK.COM (2603:1086:0:4e::19) To MWHPR1001MB2365.namprd10.prod.outlook.com (2603:10b6:301:2d::28) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: bcf350ee-cf4a-4e7d-4d16-08d9f20ebd9a X-MS-TrafficTypeDiagnostic: BN8PR10MB3265:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MWHPR1001MB2365.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(366004)(8936002)(5660300002)(66476007)(38100700002)(38350700002)(966005)(6486002)(186003)(26005)(83380400001)(6666004)(6512007)(9686003)(6506007)(508600001)(52116002)(1076003)(2906002)(66556008)(8676002)(316002)(66946007)(4326008)(110136005)(44832011)(86362001)(36756003);DIR:OUT;SFP:1101; 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c96f1732e25362 Alan Cox 2009-03-24 1638 struct ata_queued_cmd *qc; c96f1732e25362 Alan Cox 2009-03-24 1639 c96f1732e25362 Alan Cox 2009-03-24 1640 /* Only one outstanding command per SFF channel */ c96f1732e25362 Alan Cox 2009-03-24 1641 qc = ata_qc_from_tag(ap, ap->link.active_tag); 3e4ec3443f70fb Tejun Heo 2010-05-10 1642 /* We cannot lose an interrupt on a non-existent or polled command */ 3e4ec3443f70fb Tejun Heo 2010-05-10 1643 if (!qc || qc->tf.flags & ATA_TFLAG_POLLING) c96f1732e25362 Alan Cox 2009-03-24 1644 return; c96f1732e25362 Alan Cox 2009-03-24 1645 /* See if the controller thinks it is still busy - if so the command c96f1732e25362 Alan Cox 2009-03-24 1646 isn't a lost IRQ but is still in progress */ 57232468aca7de Sergey Shtylyov 2022-02-13 1647 if (ata_sff_altstatus(ap, &status) && (status & ATA_BUSY)) "status" is not intialized if ata_sff_altstatus() return false. c96f1732e25362 Alan Cox 2009-03-24 1648 return; c96f1732e25362 Alan Cox 2009-03-24 1649 c96f1732e25362 Alan Cox 2009-03-24 1650 /* There was a command running, we are no longer busy and we have c96f1732e25362 Alan Cox 2009-03-24 1651 no interrupt. */ a9a79dfec23956 Joe Perches 2011-04-15 @1652 ata_port_warn(ap, "lost interrupt (Status 0x%x)\n", c96f1732e25362 Alan Cox 2009-03-24 1653 status); ^^^^^^ Uninitalized. Also the indenting is unfortunate. c96f1732e25362 Alan Cox 2009-03-24 1654 /* Run the host interrupt logic as if the interrupt had not been c96f1732e25362 Alan Cox 2009-03-24 1655 lost */ c3b2889424c26f Tejun Heo 2010-05-19 1656 ata_sff_port_intr(ap, qc); c96f1732e25362 Alan Cox 2009-03-24 1657 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org