From mboxrd@z Thu Jan 1 00:00:00 1970 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 01C2EC433F5 for ; Mon, 6 Dec 2021 15:24:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1385866AbhLFPZy (ORCPT ); Mon, 6 Dec 2021 10:25:54 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:35590 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358093AbhLFPQ0 (ORCPT ); Mon, 6 Dec 2021 10:16:26 -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 dfw.source.kernel.org (Postfix) with ESMTPS id C7309612DB; Mon, 6 Dec 2021 15:12:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD7C8C341C1; Mon, 6 Dec 2021 15:12:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1638803577; bh=yDSkJSyz06EB2IhfvtEbt1v5fmI/4Ei1jEgkI3tFzp4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ayzEbAevINrrmo02jZ3XB71JCp83mhPHqRy8fv0ddkFJMN/HevdWKc5XLbHYuk4RN XJbuemtQEIeBqwNa2mHMQ8IfQ2WaEiwe5vhp9WUajCHlCOTh6mQtCTsbgdNtKGpKm1 8ksCGl1HsuVE6VY03oUn18lrDmLa2eEaDDm+jgG8= 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 5.4 43/70] net: usb: lan78xx: lan78xx_phy_init(): use PHY_POLL instead of "0" if no IRQ is available Date: Mon, 6 Dec 2021 15:56:47 +0100 Message-Id: <20211206145553.424066272@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211206145551.909846023@linuxfoundation.org> References: <20211206145551.909846023@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 @@ -2136,7 +2136,7 @@ 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 */