From patchwork Thu Feb 4 22:39:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saravana Kannan X-Patchwork-Id: 377083 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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham 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 1F697C433DB for ; Thu, 4 Feb 2021 22:40:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CD77D64FAA for ; Thu, 4 Feb 2021 22:40:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229845AbhBDWkH (ORCPT ); Thu, 4 Feb 2021 17:40:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229725AbhBDWkG (ORCPT ); Thu, 4 Feb 2021 17:40:06 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 31E29C061793 for ; Thu, 4 Feb 2021 14:39:26 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id c13so4761214ybg.8 for ; Thu, 04 Feb 2021 14:39:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=n4xG2k8Z7Qa5I/R1daYE+Xc9OOT630XhdJjQM94uVRU=; b=TW+ADkJYN6duYByYEbYDYbLh5kzQDTNFu8hGvrpk08m2vX29f2XeQqEeJ//+es/3+3 Ew6+AoTyTl3//bjEvEnFsJ4AjnOL11nGNiKvCetepQyNwVyUuzZI4+S4ACTEFacMgj2x i1YdpqwqBbUrK50hUE4WZsjFhixsWIPIvTMbVtYV3cX8rDKOa0LLGTHOVYyPuBos8gPE nV2bhcdSz+vghkrZk4ynZeIBEiRY2hvnXUGpSWX+o0Ykkmsan44SkBtD5sjQhnVSW/Nj pko9wx/z3mRCMu1XPQHl2zHUuCdnw5s3hwz4H0nAyzAt0sN4gizv0N5tDylZLVguUalS y4VA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=n4xG2k8Z7Qa5I/R1daYE+Xc9OOT630XhdJjQM94uVRU=; b=YUoqJYAbn86Q2zrEgyUI1DkXqCUeHzWonqlfttO8std539jfVv5oQSNlFu0IlGveXF 6tczrU6Ux2pJDRtQshV/Nl2YV+iPqFvIv6/nTw5GsCJT9NkZTbz8vkWb886ki7bEzEhP vqNYwDtpgqp1KN7gIvNlbNMb/WkfwAxqFGD39F03XSitRmfPWBdIVZCBQ/VO6cJfEwzy V4mGzzJKwtWZ06hNyjdU2hahKcQbGKkBHjs8jIIWuOYLkitF/nh32agKouTKWrPm7mIW RlPYmfGn7ss6Ijsk/P4F1XrnkZn0qotOfaRwZJ2q5JTMNeAmw3OdrC57Eqq7T/100yfa G/AQ== X-Gm-Message-State: AOAM533WZei3Ol/0ochlAf3QbmVPK0iCDL8MMBO5bMbFVbylVPQ5YTRJ mfHBogvT7nT7WxJcURSyEJyQK/kmZxnhoHA= X-Google-Smtp-Source: ABdhPJyBdE9X/S5xbyHVINezYUllZUk8xjMFqNx9FzN9Xtnyv+BW1j9DmtI2IkWEAVe8rsnMso2VHIZ0LzOAeHQ= Sender: "saravanak via sendgmr" X-Received: from saravanak.san.corp.google.com ([2620:15c:2d:3:8475:2f1d:e8b4:f65a]) (user=saravanak job=sendgmr) by 2002:a25:7454:: with SMTP id p81mr2056574ybc.162.1612478365410; Thu, 04 Feb 2021 14:39:25 -0800 (PST) Date: Thu, 4 Feb 2021 14:39:17 -0800 Message-Id: <20210204223921.1693487-1-saravanak@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog Subject: [PATCH v3 0/4] Make fw_devlink=on more forgiving From: Saravana Kannan To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Rob Herring , Frank Rowand , Len Brown , Jonathan Corbet Cc: Saravana Kannan , kernel-team@android.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Marek Szyprowski , Geert Uytterhoeven , Marc Zyngier , Tudor Ambarus , Linus Walleij , Bartosz Golaszewski , Martin Kaiser Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org I dropped a few patches from v2 of the series that are still work in progress. So v3 of the series only includes definitive patches and the patch numbering has changed. Patch 1/4 and 2/4 addresses the issue of firmware nodes that look like they'll have struct devices created for them, but will never actually have struct devices added for them. For example, DT nodes with a compatible property that don't have devices added for them. Patch 3/4 and 4/4 allow for handling optional DT bindings. v1 -> v2: Patch 1: Added a flag to fwnodes that aren't devices. Patch 3: New patch to ise the flag set in patch 1 to not create bad links. v2 -> v3: - Patch 1: Added Rafael's Ack - New patches 3 and 4 Saravana Kannan (4): driver core: fw_devlink: Detect supplier devices that will never be added of: property: Don't add links to absent suppliers driver core: Add fw_devlink.strict kernel param of: property: Add fw_devlink support for optional properties .../admin-guide/kernel-parameters.txt | 5 +++ drivers/base/core.c | 43 +++++++++++++++++-- drivers/of/property.c | 16 +++++-- include/linux/fwnode.h | 3 ++ 4 files changed, 60 insertions(+), 7 deletions(-)