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 E169CC433FE for ; Wed, 22 Sep 2021 12:53:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CE36061181 for ; Wed, 22 Sep 2021 12:53:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236201AbhIVMyw (ORCPT ); Wed, 22 Sep 2021 08:54:52 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:54348 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236001AbhIVMym (ORCPT ); Wed, 22 Sep 2021 08:54:42 -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=ZWdV3Ywl5E2tBReyRKkp3nub36ib8xsMWJxoWC+tqZM=; b=EFXR3GlnMnGHIw2VtBsFrp4XLU 5ZmpUW7Pwnd7V9z7BtVI69IYgbLKkBa6YZlMCO7gwM/msu3eBMkA6D41LWrWhJ8CTUtZbu05jLBzF wZNctlNM1G4dtdIURdc7QizcwaF+yTZLSOARQwfIhJGz8+sZ5pgpyDnZ0Fwt0UrZRNTg=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1mT1k9-007mXu-9X; Wed, 22 Sep 2021 14:52:57 +0200 Date: Wed, 22 Sep 2021 14:52:57 +0200 From: Andrew Lunn To: Saravana Kannan Cc: "Rafael J. Wysocki" , Greg Kroah-Hartman , Heiner Kallweit , Russell King , "David S. Miller" , Jakub Kicinski , Len Brown , Geert Uytterhoeven , Vladimir Oltean , "Cc: Android Kernel" , Linux Kernel Mailing List , netdev , ACPI Devel Maling List Subject: Re: [PATCH v3 2/3] driver core: fw_devlink: Add support for FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD Message-ID: References: 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-kernel@vger.kernel.org > That goes back to Rafael's reply (and I agree): > > "Also if the probe has already started, it may still return > -EPROBE_DEFER at any time in theory, so as a rule the dependency is > actually known to be satisfied when the probe has successfully > completed." > > So waiting for the probe to finish is the right behavior/intentional > for fw_devlink. But differs to how things actually work in the driver model. The driver model does not care if a driver has finished probing, you can use a resource as soon as it is registered. Hence this whole problem/discussion. Andrew