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=-26.2 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 D18FCC433EF for ; Wed, 15 Sep 2021 17:28:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B780761242 for ; Wed, 15 Sep 2021 17:28:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230430AbhIOR3q (ORCPT ); Wed, 15 Sep 2021 13:29:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230259AbhIOR3m (ORCPT ); Wed, 15 Sep 2021 13:29:42 -0400 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 79685C0613CF for ; Wed, 15 Sep 2021 10:28:22 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id f64-20020a2538430000b0290593bfc4b046so4549992yba.9 for ; Wed, 15 Sep 2021 10:28:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=/o/E1/qVLhSpmI35/Ak3XUf7xiiUPVWmvu2PpbOhvuA=; b=oDuQPjge0/MuLHYw2ZSy1IQ6iagP+HhFM+gYM6shsQ7NrncaCJ4uEVTn+zBXpQjozT CccGpk6XXxflwPrYtTuS4a8weVh/2WpvQFZ8HKzu9uHVlil8QmkLyfrgEiuGOF9coKDI KPSA0vZGr0jyNdTDDSgfGgIFjWH6btewi1p6Yy6E4T3omZkZzXJHZkuPxunTGY+TvKPH l36oQz1Zo2rSKrOzp4eG8CkYxFsVmz6vSFvhCvztKBxzitW6eiGHqvfCs2pzJkXAB222 P7IoNjLVJ/EpfxOOaC7b8LxJJ3EXtImDS7l5or8wAM3afG1NBLYFpd90h6UNtmlPutte Yl1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=/o/E1/qVLhSpmI35/Ak3XUf7xiiUPVWmvu2PpbOhvuA=; b=6jt/CdkGbBuNkN+DFZQbzzNr74WkC3egt2/NQcawU92HzdAstDoJS1gwGuuQr7izLe bicgWXj3mhrXfJBqswW1hBwt5ebkxD+0Suo0dv54NgDNOmJihZ9sYt7JeanjMGzz59cf VF1Rp1RhXgz7opSwbE7fJK5YWdLvHvG2eJkqK8WvWc4YmOuDXJDNjZ3Iw2FF7Q3wiVU0 tQdt9eQyuHPzpbAjDcm+aUR2Qb5Vg02ADuAv9WAIJYak4mzfR34r9GRSaSXV4DKhSfRZ 6YuywsaWnOe3TIWpFjn+JrKGHjD4XFVDZpCk1bdB9L7dPeeW1vOSKRrIXKfzBg4+FA6u cfKA== X-Gm-Message-State: AOAM530tOpffHFH4sbnzABvunOLXHFGVmfmR2N/B3est5seDdUJ6EDw/ AUfKi25eDLEHlvGAFcN5B+zqiazIa9asiGw= X-Google-Smtp-Source: ABdhPJxuh/CN2H3Qo4pViEnUjFXl/5qYaqMIWhT4gnQM/WLw7Fv0M0xTnQqqBiUplQew77HHgWCgPhFTDDm0p3I= X-Received: from saravanak.san.corp.google.com ([2620:15c:2d:3:16d1:ab0e:fc4a:b9b1]) (user=saravanak job=sendgmr) by 2002:a25:2d5b:: with SMTP id s27mr1554246ybe.68.1631726901734; Wed, 15 Sep 2021 10:28:21 -0700 (PDT) Date: Wed, 15 Sep 2021 10:28:07 -0700 In-Reply-To: <20210915172808.620546-1-saravanak@google.com> Message-Id: <20210915172808.620546-4-saravanak@google.com> Mime-Version: 1.0 References: <20210915172808.620546-1-saravanak@google.com> X-Mailer: git-send-email 2.33.0.309.g3052b89438-goog Subject: [PATCH 3/3] driver core: Add debug logs when fwnode links are added/deleted From: Saravana Kannan To: Greg Kroah-Hartman , "Rafael J. Wysocki" Cc: Saravana Kannan , kernel-team@android.com, linux-kernel@vger.kernel.org, Geert Uytterhoeven Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This will help with debugging fw_devlink issues. Signed-off-by: Saravana Kannan Reviewed-by: Geert Uytterhoeven --- drivers/base/core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index e215220545f8..15986cc2fe5e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -95,6 +95,8 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup) list_add(&link->s_hook, &sup->consumers); list_add(&link->c_hook, &con->suppliers); + pr_debug("%pfwP Linked as a fwnode consumer to %pfwP\n", + con, sup); out: mutex_unlock(&fwnode_link_lock); @@ -109,6 +111,8 @@ int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup) */ static void __fwnode_link_del(struct fwnode_link *link) { + pr_debug("%pfwP Dropping the fwnode link to %pfwP\n", + link->consumer, link->supplier); list_del(&link->s_hook); list_del(&link->c_hook); kfree(link); -- 2.33.0.309.g3052b89438-goog