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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Sep 2022 18:34:03.2715 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5cae5e07-9b1e-411c-a53b-08da9a6d870d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT060.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4210 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no 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: X-Mailing-List: linux-kernel@vger.kernel.org This series attempts to fix the issue with core register (Ex:- DBI) accesses causing system hang issues in platforms where there is a dependency on the availability of PCIe Reference clock from the host for their core initialization. This series is verified on Tegra194 & Tegra234 platforms. Manivannan, could you please verify on qcom platforms? V4: * Addressed review comments from Bjorn and Manivannan * Added .ep_init_late() ops * Added patches to refactor code in qcom and tegra platforms Vidya Sagar (3): PCI: designware-ep: Fix DBI access before core init PCI: qcom-ep: Refactor EP initialization completion PCI: tegra194: Refactor EP initialization completion .../pci/controller/dwc/pcie-designware-ep.c | 112 ++++++++++-------- drivers/pci/controller/dwc/pcie-designware.h | 10 +- drivers/pci/controller/dwc/pcie-qcom-ep.c | 27 +++-- drivers/pci/controller/dwc/pcie-tegra194.c | 4 +- 4 files changed, 85 insertions(+), 68 deletions(-) -- 2.17.1