Changes in debugfs-dwc-pcie

f0f3044d - PCI: dwc: Add debugfs property to provide LTSSM status of the PCIe link

Sun, 23 Feb 2025 14:18:48 +0000

PCI: dwc: Add debugfs property to provide LTSSM status of the PCIe linkAdd the debugfs property to provide a view of the current link's LTSSMstatus from the Root Port device.Signed-off-by: Hans Zhang <18255117159@163.com>Reviewed-by: Manivannan Sadhasivam Tested-by: Niklas Cassel Tested-by: Hrishikesh Deleep Link: https://lore.kernel.org/r/20250223141848.231232-1-18255117159@163.com[kwilczynski: commit log, refactor dw_ltssm_sts_string() to avoidcompilation errors on platforms that do not set CONFIG_PCIE_DW_HOST]Signed-off-by: Krzysztof Wilczyński List of files: /linux-6.15/Documentation/ABI/testing/debugfs-dwc-pcie

27491ac2 - PCI: dwc: Add debugfs based Statistical Counter support for DWC

Fri, 21 Feb 2025 13:15:48 +0000

PCI: dwc: Add debugfs based Statistical Counter support for DWCAdd support to provide Statistical Counter interface to userspace.This set of debug registers are part of the RAS DES feature present inDesignWare PCIe controllers.Co-developed-by: Manivannan Sadhasivam Signed-off-by: Shradha Todi Reviewed-by: Manivannan Sadhasivam Tested-by: Hrishikesh Deleep Link: https://lore.kernel.org/r/20250221131548.59616-6-shradha.t@samsung.com[kwilczynski: commit log, tidy up code comments, update documentation,squashed patch that checks if the event counter is supported fromhttps://lore.kernel.org/linux-pci/20250225171239.19574-3-manivannan.sadhasivam@linaro.org]Signed-off-by: Krzysztof Wilczyński List of files: /linux-6.15/Documentation/ABI/testing/debugfs-dwc-pcie

d20ee8e2 - PCI: dwc: Add debugfs based Error Injection support for DWC

Fri, 21 Feb 2025 13:15:47 +0000

PCI: dwc: Add debugfs based Error Injection support for DWCAdd support to provide Error Injection interface to userspace.This set of debug registers are part of the RAS DES feature present inDesignWare PCIe controllers.Signed-off-by: Shradha Todi Reviewed-by: Manivannan Sadhasivam Reviewed-by: Fan Ni Tested-by: Hrishikesh Deleep Link: https://lore.kernel.org/r/20250221131548.59616-5-shradha.t@samsung.com[kwilczynski: commit log, tidy up code comments, update documentation,change debugfs property name from "duplicate_dllp" to "duplicate_tlp"]Signed-off-by: Krzysztof Wilczyński List of files: /linux-6.15/Documentation/ABI/testing/debugfs-dwc-pcie

4fbfa17f - PCI: dwc: Add debugfs based Silicon Debug support for DWC

Fri, 21 Feb 2025 13:15:46 +0000

PCI: dwc: Add debugfs based Silicon Debug support for DWCAdd support to provide Silicon Debug interface to userspace.This set of debug registers are part of the RAS DES feature present inDesignWare PCIe controllers.Co-developed-by: Manivannan Sadhasivam Signed-off-by: Shradha Todi Reviewed-by: Manivannan Sadhasivam Reviewed-by: Fan Ni Tested-by: Hrishikesh Deleep Link: https://lore.kernel.org/r/20250221131548.59616-4-shradha.t@samsung.com[kwilczynski: commit log, tidy up Kconfig and drop "default y", tidy upcode comments, squashed patch that fixes a NULL pointer dereference whendebugfs is already unavailable during clean-up fromhttps://lore.kernel.org/linux-pci/20250225171239.19574-2-manivannan.sadhasivam@linaro.org,refactor dwc_pcie_debugfs_init() to not return errors, squashed patch thatchanges how lack of the RAS DES capability is handled fromhttps://lore.kernel.org/linux-pci/20250304151814.6xu7cbpwpqrvcad5@thinkpad]Signed-off-by: Krzysztof Wilczyński List of files: /linux-6.15/Documentation/ABI/testing/debugfs-dwc-pcie