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 A5C68C54EE9 for ; Tue, 13 Sep 2022 11:30:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230323AbiIMLaH (ORCPT ); Tue, 13 Sep 2022 07:30:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231378AbiIMLaG (ORCPT ); Tue, 13 Sep 2022 07:30:06 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06F8F3054D for ; Tue, 13 Sep 2022 04:30:05 -0700 (PDT) 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 B3B3BB80E45 for ; Tue, 13 Sep 2022 11:30:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA208C433B5; Tue, 13 Sep 2022 11:30:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1663068602; bh=SZGtHScuuk+SM3kltV2PH9TPsK+FuWMZO82WIWu6YXk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CPwOkzO6OfJky+UM8CTdnPNoknJL83tE/2jI7Cc6ippAhs1KBdkd3Ph4C2Jtd4XIv OcSMq9LZkKyhg+C8TwaB1P5vap4zYh2Za2dLkb72Ae+e7Gl1Iv85S5z6DMroqeED/L gewdZ9iUfxJb0J6ymRnbuAr2E4Qv+Y+VPz96wutY= Date: Tue, 13 Sep 2022 13:30:26 +0200 From: Greg KH To: Enguerrand de Ribaucourt Cc: stable@vger.kernel.org, andrew@lunn.ch, Jakub Kicinski Subject: Re: [PATCH v3] net: dp83822: disable rx error interrupt Message-ID: References: <1223536756.162378.1662977228581.JavaMail.zimbra@savoirfairelinux.com> <20220913081747.39198-1-enguerrand.de-ribaucourt@savoirfairelinux.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220913081747.39198-1-enguerrand.de-ribaucourt@savoirfairelinux.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Sep 13, 2022 at 10:17:48AM +0200, Enguerrand de Ribaucourt wrote: > Some RX errors, notably when disconnecting the cable, increase the RCSR > register. Once half full (0x7fff), an interrupt flood is generated. I > measured ~3k/s interrupts even after the RX errors transfer was > stopped. > > Since we don't read and clear the RCSR register, we should disable this > interrupt. > > Fixes: 87461f7a58ab ("net: phy: DP83822 initial driver submission") > Signed-off-by: Enguerrand de Ribaucourt > Reviewed-by: Andrew Lunn > Signed-off-by: Jakub Kicinski > [backport of 5.10 commit 0e597e2affb90d6ea48df6890d882924acf71e19] Backport to what? This is already in 5.10, where do you want this commit applied to? thanks, greg k-h