Message ID | 20221013175712.7539-4-vidyas@nvidia.com |
---|---|
State | New |
Headers | show
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Thu, 13 Oct 2022 10:57:41 -0700 Received: from rnnvmail203.nvidia.com (10.129.68.9) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Thu, 13 Oct 2022 10:57:41 -0700 Received: from vidyas-desktop.nvidia.com (10.127.8.9) by mail.nvidia.com (10.129.68.9) with Microsoft SMTP Server id 15.2.986.29 via Frontend Transport; Thu, 13 Oct 2022 10:57:36 -0700 From: Vidya Sagar <vidyas@nvidia.com> To: <jingoohan1@gmail.com>, <gustavo.pimentel@synopsys.com>, <lpieralisi@kernel.org>, <robh@kernel.org>, <kw@linux.com>, <bhelgaas@google.com>, <mani@kernel.org>, <Sergey.Semin@baikalelectronics.ru>, <dmitry.baryshkov@linaro.org>, <linmq006@gmail.com>, <ffclaire1224@gmail.com> CC: <thierry.reding@gmail.com>, <jonathanh@nvidia.com>, <linux-pci@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <kthota@nvidia.com>, <mmaddireddy@nvidia.com>, <vidyas@nvidia.com>, <sagar.tv@gmail.com> Subject: [PATCH V5 3/3] PCI: tegra194: Refactor EP initialization completion Date: Thu, 13 Oct 2022 23:27:12 +0530 Message-ID: <20221013175712.7539-4-vidyas@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221013175712.7539-1-vidyas@nvidia.com> References: <20221013175712.7539-1-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT072:EE_|MN0PR12MB6293:EE_ X-MS-Office365-Filtering-Correlation-Id: 57a65003-5fc0-43c9-9e87-08daad44763c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Series |
PCI: designware-ep: Fix DBI access before core init
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diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 1b6b437823d2..2600304522eb 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1885,14 +1885,12 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie) val = (upper_32_bits(ep->msi_mem_phys) & MSIX_ADDR_MATCH_HIGH_OFF_MASK); dw_pcie_writel_dbi(pci, MSIX_ADDR_MATCH_HIGH_OFF, val); - ret = dw_pcie_ep_init_complete(ep); + ret = dw_pcie_ep_init_notify(ep); if (ret) { dev_err(dev, "Failed to complete initialization: %d\n", ret); goto fail_init_complete; } - dw_pcie_ep_init_notify(ep); - /* Program the private control to allow sending LTR upstream */ if (pcie->of_data->has_ltr_req_fix) { val = appl_readl(pcie, APPL_LTR_MSG_2);
Call only dw_pcie_ep_init_notify() which internally takes care of calling dw_pcie_ep_init_complete() to notify about the EP initialization completion to the DWC EP framework. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> --- V5: * None V4: * New patch in this series drivers/pci/controller/dwc/pcie-tegra194.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)