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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3581CCA485 for ; Mon, 13 Jun 2022 11:21:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352662AbiFMLSs (ORCPT ); Mon, 13 Jun 2022 07:18:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352815AbiFMLOa (ORCPT ); Mon, 13 Jun 2022 07:14:30 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02D19E0F8; Mon, 13 Jun 2022 03:37:04 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 88A2460FDB; Mon, 13 Jun 2022 10:37:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 950ADC34114; Mon, 13 Jun 2022 10:37:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1655116624; bh=3zHP3TCuZPZfPGWfwnnSEDLT42aavDbHVWky2CtuQRw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=buIa5DjcqcukBwvXRUxuWgPZw5SgkGhI2c/hI8uCfFod6tWgxypwnS8aNc58rozGv /iuiIx2trXDgmI9WC7gyV2Hj9yioHgRIYkW4+cIIREDMkvpcrk6F+RkGxl8miq/5py JcNRWODfWBQEDlU5drJP1W8irljSn5m8kQW93O5U= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johan Hovold , Lorenzo Pieralisi , Bjorn Helgaas , Manivannan Sadhasivam , Stanimir Varbanov Subject: [PATCH 4.14 218/218] PCI: qcom: Fix unbalanced PHY init on probe errors Date: Mon, 13 Jun 2022 12:11:16 +0200 Message-Id: <20220613094927.240840505@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220613094908.257446132@linuxfoundation.org> References: <20220613094908.257446132@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johan Hovold commit 83013631f0f9961416abd812e228c8efbc2f6069 upstream. Undo the PHY initialisation (e.g. balance runtime PM) if host initialisation fails during probe. Link: https://lore.kernel.org/r/20220401133854.10421-3-johan+linaro@kernel.org Fixes: 82a823833f4e ("PCI: qcom: Add Qualcomm PCIe controller driver") Signed-off-by: Johan Hovold Signed-off-by: Lorenzo Pieralisi Signed-off-by: Bjorn Helgaas Reviewed-by: Manivannan Sadhasivam Acked-by: Stanimir Varbanov Cc: stable@vger.kernel.org # 4.5 Signed-off-by: Greg Kroah-Hartman --- drivers/pci/dwc/pcie-qcom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/drivers/pci/dwc/pcie-qcom.c +++ b/drivers/pci/dwc/pcie-qcom.c @@ -1302,10 +1302,15 @@ static int qcom_pcie_probe(struct platfo ret = dw_pcie_host_init(pp); if (ret) { dev_err(dev, "cannot initialize host\n"); - return ret; + goto err_phy_exit; } return 0; + +err_phy_exit: + phy_exit(pcie->phy); + + return ret; } static const struct of_device_id qcom_pcie_match[] = {