Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752109AbcCGEkt (ORCPT ); Sun, 6 Mar 2016 23:40:49 -0500 Received: from lucky1.263xmail.com ([211.157.147.132]:49801 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751975AbcCGEkl (ORCPT ); Sun, 6 Mar 2016 23:40:41 -0500 X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: m-karicheri2@ti.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Shawn Lin To: Murali Karicheri , Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Shawn Lin Subject: [PATCH] PCI/keystone: check return value of devm_phy_get with EPROBE_DEFER Date: Mon, 7 Mar 2016 12:32:21 +0800 Message-Id: <1457325141-1354-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.8.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 672 Lines: 25 If the return value of devm_phy_get is EPROBE_DEFER, we should defer probing the driver. Signed-off-by: Shawn Lin --- drivers/pci/host/pci-keystone.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/host/pci-keystone.c b/drivers/pci/host/pci-keystone.c index 0aa81bd..42af6ac 100644 --- a/drivers/pci/host/pci-keystone.c +++ b/drivers/pci/host/pci-keystone.c @@ -363,6 +363,8 @@ static int __init ks_pcie_probe(struct platform_device *pdev) ret = phy_init(phy); if (ret < 0) return ret; + } else if (PTR_ERR(phy) == -EPROBE_DEFER) { + return PTR_ERR(phy); } /* index 2 is to read PCI DEVICE_ID */ -- 2.3.7