mbox series

[00/11] Improvements to the Qcom PCIe Endpoint driver

Message ID 20220826181923.251564-1-manivannan.sadhasivam@linaro.org
Headers show
Series Improvements to the Qcom PCIe Endpoint driver | expand

Message

Manivannan Sadhasivam Aug. 26, 2022, 6:19 p.m. UTC 
Hello,

This series contains improvements to the Qualcomm PCIe Endpoint controller
driver. The major improvements are the addition of SM8450 SoC support and
debugfs interface for exposing link transition counts.

This series has been tested on SM8450 based dev board.

Thanks,
Mani

Manivannan Sadhasivam (11):
  PCI: qcom-ep: Add kernel-doc for qcom_pcie_ep structure
  PCI: qcom-ep: Do not use hardcoded clks in driver
  PCI: qcom-ep: Make use of the cached dev pointer
  PCI: qcom-ep: Add eDMA support
  PCI: qcom-ep: Disable IRQs during driver remove
  PCI: qcom-ep: Add debugfs support for expose link transition counts
  dt-bindings: PCI: qcom-ep: Make PERST separation optional
  PCI: qcom-ep: Make PERST separation optional
  dt-bindings: PCI: qcom-ep: Define clocks per platform
  dt-bindings: PCI: qcom-ep: Add support for SM8450 SoC
  PCI: qcom-ep: Add support for SM8450 SoC

 .../devicetree/bindings/pci/qcom,pcie-ep.yaml |  70 ++++++---
 drivers/pci/controller/dwc/pcie-qcom-ep.c     | 140 ++++++++++++++----
 2 files changed, 159 insertions(+), 51 deletions(-)

Comments

Krzysztof Kozlowski Aug. 28, 2022, 3:12 p.m. UTC | #1 
On 26/08/2022 21:19, Manivannan Sadhasivam wrote:
> PERST separation is an optional debug feature used to collect the crash
> dump from the PCIe endpoint devices by the PCIe host when the endpoint
> crashes. This feature keeps the PCIe link up by separating the PCIe IP
> block from the SoC reset logic.
> 
> So remove the corresponding property "qcom,perst-regs" from the required
> properties list.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof