From patchwork Fri Feb 28 08:40:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Ceresoli X-Patchwork-Id: 1246353 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=lucaceresoli.net Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48TNKL54Rhz9sSH for ; Fri, 28 Feb 2020 19:40:38 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726077AbgB1Ikh (ORCPT ); Fri, 28 Feb 2020 03:40:37 -0500 Received: from hostingweb31-40.netsons.net ([89.40.174.40]:59945 "EHLO hostingweb31-40.netsons.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725877AbgB1Ikh (ORCPT ); Fri, 28 Feb 2020 03:40:37 -0500 Received: from [109.168.11.45] (port=51130 helo=pc-ceresoli.dev.aim) by hostingweb31.netsons.net with esmtpa (Exim 4.92) (envelope-from ) id 1j7bCE-000aM0-Va; Fri, 28 Feb 2020 09:40:35 +0100 From: Luca Ceresoli To: devicetree@vger.kernel.org Cc: Geert Uytterhoeven , Pantelis Antoniou , Frank Rowand , Rob Herring , linux-kernel@vger.kernel.org, Luca Ceresoli Subject: [PATCH v3] of: overlay: log the error cause on resolver failure Date: Fri, 28 Feb 2020 09:40:27 +0100 Message-Id: <20200228084027.10797-1-luca@lucaceresoli.net> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - hostingweb31.netsons.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lucaceresoli.net X-Get-Message-Sender-Via: hostingweb31.netsons.net: authenticated_id: luca+lucaceresoli.net/only user confirmed/virtual account not confirmed X-Authenticated-Sender: hostingweb31.netsons.net: luca@lucaceresoli.net X-Source: X-Source-Args: X-Source-Dir: Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org When a DT overlay has a node label that is not present in the live devicetree symbols table, this error is printed: OF: resolver: overlay phandle fixup failed: -22 create_overlay: Failed to create overlay (err=-22) which does not help much in finding the node label that caused the problem and fix the overlay source. Add an error message with the name of the node label that caused the error. The new output is: OF: resolver: node label 'gpio9' not found in live devicetree symbols table OF: resolver: overlay phandle fixup failed: -22 create_overlay: Failed to create overlay (err=-22) Signed-off-by: Luca Ceresoli Reviewed-by: Frank Rowand Reviewed-by: Geert Uytterhoeven --- Changed in v3: - add only the message from v1, but as reworded by Frank Changed in v2: - add a message for each error path that does not have one yet --- drivers/of/resolver.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c index 83c766233181..b278ab4338ce 100644 --- a/drivers/of/resolver.c +++ b/drivers/of/resolver.c @@ -321,8 +321,11 @@ int of_resolve_phandles(struct device_node *overlay) err = of_property_read_string(tree_symbols, prop->name, &refpath); - if (err) + if (err) { + pr_err("node label '%s' not found in live devicetree symbols table\n", + prop->name); goto out; + } refnode = of_find_node_by_path(refpath); if (!refnode) {