From patchwork Fri Jun 5 09:44:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 199518 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 A5445C433E2 for ; Fri, 5 Jun 2020 09:45:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 862F6206A2 for ; Fri, 5 Jun 2020 09:45:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726413AbgFEJos (ORCPT ); Fri, 5 Jun 2020 05:44:48 -0400 Received: from mx.socionext.com ([202.248.49.38]:45698 "EHLO mx.socionext.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726277AbgFEJos (ORCPT ); Fri, 5 Jun 2020 05:44:48 -0400 Received: from unknown (HELO kinkan-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 05 Jun 2020 18:44:46 +0900 Received: from mail.mfilter.local (m-filter-1 [10.213.24.61]) by kinkan-ex.css.socionext.com (Postfix) with ESMTP id 462C618010B; Fri, 5 Jun 2020 18:44:46 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Fri, 5 Jun 2020 18:44:46 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan.css.socionext.com (Postfix) with ESMTP id 8CD7C1A12AD; Fri, 5 Jun 2020 18:44:45 +0900 (JST) From: Kunihiko Hayashi To: Bjorn Helgaas , Lorenzo Pieralisi , Jingoo Han , Gustavo Pimentel , Rob Herring , Masahiro Yamada , Marc Zyngier Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Masami Hiramatsu , Jassi Brar , Kunihiko Hayashi Subject: [PATCH v4 5/6] PCI: uniphier: Add error message when failed to get phy Date: Fri, 5 Jun 2020 18:44:35 +0900 Message-Id: <1591350276-15816-6-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591350276-15816-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1591350276-15816-1-git-send-email-hayashi.kunihiko@socionext.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Even if phy driver doesn't probe, the error message can't be distinguished from other errors. This displays error message caused by the phy driver explicitly. Signed-off-by: Kunihiko Hayashi --- drivers/pci/controller/dwc/pcie-uniphier.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c index c37a968..8356dd3 100644 --- a/drivers/pci/controller/dwc/pcie-uniphier.c +++ b/drivers/pci/controller/dwc/pcie-uniphier.c @@ -470,8 +470,12 @@ static int uniphier_pcie_probe(struct platform_device *pdev) return PTR_ERR(priv->rst); priv->phy = devm_phy_optional_get(dev, "pcie-phy"); - if (IS_ERR(priv->phy)) - return PTR_ERR(priv->phy); + if (IS_ERR(priv->phy)) { + ret = PTR_ERR(priv->phy); + if (ret != -EPROBE_DEFER) + dev_err(dev, "Failed to get phy (%d)\n", ret); + return ret; + } platform_set_drvdata(pdev, priv);