From patchwork Mon Dec 6 14:56:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 522204 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3D90C433F5 for ; Mon, 6 Dec 2021 15:10:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346807AbhLFPNj (ORCPT ); Mon, 6 Dec 2021 10:13:39 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:43884 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346437AbhLFPLh (ORCPT ); Mon, 6 Dec 2021 10:11:37 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E1DCEB81018; Mon, 6 Dec 2021 15:08:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30434C341C5; Mon, 6 Dec 2021 15:08:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1638803286; bh=o0Kppx78TWfBX0G1H3Zkt6EYTa6xHBJvVs8vrraF5iM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CHfcIpdaWcxnnvUs1D86k5yc2bHqqZadaKyOnQqhaXghj43aQ1WfLq7AkAqogzeyL gbmm+H+G8AxyPLM+D/3HvMn4ooBEoTP0lm7SvRUaGI7FzIER/OcxYQDmqU4YfagAy+ EQtOWL5mLtbW+4Oz1SW0TETT13F94mJGpIueCq1s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrew Lunn , Sven Schuchmann , "David S. Miller" Subject: [PATCH 4.14 094/106] net: usb: lan78xx: lan78xx_phy_init(): use PHY_POLL instead of "0" if no IRQ is available Date: Mon, 6 Dec 2021 15:56:42 +0100 Message-Id: <20211206145558.792757965@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211206145555.386095297@linuxfoundation.org> References: <20211206145555.386095297@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sven Schuchmann commit 817b653160db9852d5a0498a31f047e18ce27e5b upstream. 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 Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/usb/lan78xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2052,7 +2052,7 @@ static int lan78xx_phy_init(struct lan78 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 */