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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B23CC432BE for ; Fri, 27 Aug 2021 20:11:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E19B960F6C for ; Fri, 27 Aug 2021 20:11:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231521AbhH0UMP (ORCPT ); Fri, 27 Aug 2021 16:12:15 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:45358 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231472AbhH0UMO (ORCPT ); Fri, 27 Aug 2021 16:12:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=BvwakT2Cfp9jgzCeUu5YYEs3eBCl3SoatPDmjRaP9Sg=; b=beNjMWkrBSiEsBTnKNKqJPbVJF EQI1TqVxeY476KyyZRFSNF5IvKRd13m3/7K+7pB9mQ8OCOD9Ih8HlZk8UZSIh7tD+LTDcpfPzaK5a fad9iq0xYpmb/YSJph+skbSgoBWrO/lMZMlniYATR2Nax34ZQHvIN+9LgBYtfADpcVE0=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1mJiC1-004ABt-F0; Fri, 27 Aug 2021 22:11:13 +0200 Date: Fri, 27 Aug 2021 22:11:13 +0200 From: Andrew Lunn To: Saravana Kannan Cc: Greg Kroah-Hartman , "Rafael J. Wysocki" , Linus Walleij , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Jakub Kicinski , Len Brown , Alvin Sipraga , kernel-team@android.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: [PATCH v1 1/2] driver core: fw_devlink: Add support for FWNODE_FLAG_BROKEN_PARENT Message-ID: References: <20210826074526.825517-1-saravanak@google.com> <20210826074526.825517-2-saravanak@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org > > I've not yet looked at plain Ethernet drivers. This pattern could also > > exist there. And i wonder about other complex structures, i2c bus > > multiplexors, you can have interrupt controllers as i2c devices, > > etc. So the general case could exist in other places. > > I haven't seen any generic issues like this reported so far. It's only > after adding phy-handle that we are hitting these issues with DSA > switches. Can you run your parser over the 2250 DTB blobs and see how many children have dependencies on a parent? That could give us an idea how many moles need whacking. And maybe, where in the tree they are hiding? Andrew