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Miller" , netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] net: usb: lan78xx: lan78xx_phy_init(): use PHY_POLL instead of "0" if no IRQ is available Date: Sat, 27 Nov 2021 11:47:07 +0100 Message-Id: <20211127104707.2546-1-schuchmann@schleissheimer.de> X-Mailer: git-send-email 2.17.1 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 0cf8570f-54c2-4999-1a43-08d9b1937a09 X-MS-TrafficTypeDiagnostic: VE1P190MB0912: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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:62.153.209.162;CTRY:DE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:mail.schleissheimer.de;PTR:mail.schleissheimer.de;CAT:NONE;SFS:(4636009)(136003)(39830400003)(346002)(376002)(396003)(46966006)(36840700001)(83380400001)(36860700001)(9786002)(47076005)(186003)(54906003)(7636003)(7596003)(8936002)(316002)(4744005)(508600001)(2906002)(70206006)(356005)(70586007)(36756003)(26005)(6666004)(2616005)(7696005)(426003)(5660300002)(82310400004)(1076003)(8676002)(4326008)(336012);DIR:OUT;SFP:1102; X-OriginatorOrg: schleissheimer.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Nov 2021 10:48:41.4352 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0cf8570f-54c2-4999-1a43-08d9b1937a09 X-MS-Exchange-CrossTenant-Id: ba05321a-a007-44df-8805-c7e62d5887b5 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=ba05321a-a007-44df-8805-c7e62d5887b5;Ip=[62.153.209.162];Helo=[mail.schleissheimer.de] X-MS-Exchange-CrossTenant-AuthSource: HE1EUR04FT040.eop-eur04.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1P190MB0912 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On most systems request for IRQ 0 will fail, phylib will print an error message and fall back to polling. To fix this set the phydev->irq to PHY_POLL if no IRQ is available. Fixes: cc89c323a30e ("lan78xx: Use irq_domain for phy interrupt from USB Int. EP") Reviewed-by: Andrew Lunn Signed-off-by: Sven Schuchmann --- Changes v1->v2: Added "Fixes" and "Reviewed-by" --- drivers/net/usb/lan78xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 2bfb59ae0eaf..185e08c1af31 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2398,7 +2398,7 @@ static int lan78xx_phy_init(struct lan78xx_net *dev) if (dev->domain_data.phyirq > 0) phydev->irq = dev->domain_data.phyirq; else - phydev->irq = 0; + phydev->irq = PHY_POLL; netdev_dbg(dev->net, "phydev->irq = %d\n", phydev->irq); /* set to AUTOMDIX */ -- 2.17.1