Message ID | 20230619150408.8468-2-manivannan.sadhasivam@linaro.org |
---|---|
State | New |
Headers | show
Return-Path: <linux-pci-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=X4rnGsDh; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4QlCkM1NxWz20Z9 for <incoming@patchwork.ozlabs.org>; Tue, 20 Jun 2023 01:05:31 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231778AbjFSPF2 (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Mon, 19 Jun 2023 11:05:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229657AbjFSPFI (ORCPT <rfc822;linux-pci@vger.kernel.org>); Mon, 19 Jun 2023 11:05:08 -0400 Received: from mail-oa1-x34.google.com (mail-oa1-x34.google.com [IPv6:2001:4860:4864:20::34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F68610E4 for <linux-pci@vger.kernel.org>; Mon, 19 Jun 2023 08:04:22 -0700 (PDT) Received: by mail-oa1-x34.google.com with SMTP id 586e51a60fabf-1a49716e9c5so3655979fac.1 for <linux-pci@vger.kernel.org>; Mon, 19 Jun 2023 08:04:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687187061; x=1689779061; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0m9rhWOn8qYbjuVQmQ20zeGCmNCpO//YkkWL6MmvNwg=; b=X4rnGsDhhgcstlEOl2O8Xh0D75fvA4vp4Lp/Hch/7e27uzGYUexdfNn8ekHr0mFBme xRW2Jgigs40z3tnW83vRGWXtbHyCNxWMrMBZJ6b1+dj/QesU3nVfa2PCr01i4TxFgyl5 JBfJcs93mVxfsGsi6e5la8UBwnx4Ipd7LNTUrMxmhu+eV0oXz/Fh8ARus8WzXPrPV/RS lHTfF2qz+tPJkpSeHgniix7/lRe+ods8MgZJ1EIpBI2htcjR7+uqSkL5vkczsm7R2HpG aU2lpY8HphbspEUze2dxaRhc3sjMSJ+IqLTvOqRFsi5UolLc0LtUzb8u+bMHAMdKZW1N WU3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687187061; x=1689779061; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0m9rhWOn8qYbjuVQmQ20zeGCmNCpO//YkkWL6MmvNwg=; b=Il6CCd2391mBfOb5d4Wj31iZ3cfY38affyqmbD/3CQzx1H5WDVINrPuiCHWxQEcy4c v3uJfGdqwyMW25tIbU4DspHcY61salOsKvUh3+41QcrPQAEgLDJWT2XhNLFFeWdbgK5o YjOPSV5id2dQ7nbgp9utCr7eDsfh7Q/1bvTB5/rOktLMlxBTHN0oo1Ni3Ukz9jpVOqcv 2NsGEouQfxXkWNuid+l4LSQNj8+RI9aDxTXgAmA+ULND/MoTcXVTET4WD3us3/FdD6K9 M/cPnGwUcjC+GjPOEJ1xGMm1xCbIRO/vDYByy1z0p8bri2YSKT7zTYk70BNVqR+7ON5q Zqcg== X-Gm-Message-State: AC+VfDywKAm0R7dgmcbUirW/VjT3gE4HXB+wVKBmVfu2lBZcqe4615pt cDxn8SSsNmJyXK0y3tiShKF3 X-Google-Smtp-Source: ACHHUZ5vRE7brlsRPe3Zp8R6nDsOTJqauqzXZH+wyitHVFyn/PXC/KWiff8ZoBlpQBA7Fut4l4DxOw== X-Received: by 2002:a05:6870:4710:b0:18f:558a:1f51 with SMTP id b16-20020a056870471000b0018f558a1f51mr11017078oaq.53.1687187061309; Mon, 19 Jun 2023 08:04:21 -0700 (PDT) Received: from localhost.localdomain ([117.217.183.37]) by smtp.gmail.com with ESMTPSA id 10-20020a17090a19ca00b0025efaf7a0d3sm2765480pjj.14.2023.06.19.08.04.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 08:04:20 -0700 (PDT) From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> To: lpieralisi@kernel.org, kw@linux.com, bhelgaas@google.com Cc: robh@kernel.org, andersson@kernel.org, konrad.dybcio@linaro.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, steev@kali.org, quic_srichara@quicinc.com, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, stable@vger.kernel.org Subject: [PATCH v4 1/9] PCI: qcom: Disable write access to read only registers for IP v2.3.3 Date: Mon, 19 Jun 2023 20:34:00 +0530 Message-Id: <20230619150408.8468-2-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230619150408.8468-1-manivannan.sadhasivam@linaro.org> References: <20230619150408.8468-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-pci.vger.kernel.org> X-Mailing-List: linux-pci@vger.kernel.org |
Series |
PCI: qcom: Do not advertise hotplug capability
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diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 4ab30892f6ef..ef385d36d653 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -836,6 +836,8 @@ static int qcom_pcie_post_init_2_3_3(struct qcom_pcie *pcie) writel(PCI_EXP_DEVCTL2_COMP_TMOUT_DIS, pci->dbi_base + offset + PCI_EXP_DEVCTL2); + dw_pcie_dbi_ro_wr_dis(pci); + return 0; }
In the post init sequence of v2.9.0, write access to read only registers are not disabled after updating the registers. Fix it by disabling the access after register update. Cc: <stable@vger.kernel.org> Fixes: 5d76117f070d ("PCI: qcom: Add support for IPQ8074 PCIe controller") Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> --- drivers/pci/controller/dwc/pcie-qcom.c | 2 ++ 1 file changed, 2 insertions(+)