On Tue, Apr 02, 2024 at 11:41:00AM +0200, Niklas Cassel wrote: > On Mon, Apr 01, 2024 at 09:20:26PM +0530, Manivannan Sadhasivam wrote: > > Hello, > > > > This is the follow up series of [1], to improve the handling of host reboot in > > the endpoint subsystem. This involves refining the PERST# and Link Down event > > handling in both the controller and function drivers. > > > > Testing > > ======= > > > > This series is tested on Qcom SM8450 based development board with both MHI_EPF > > and EPF_TEST function drivers. > > > > Dependency > > ========== > > > > This series depends on [1] and [2]. > > > > - Mani > > Hello Mani, > > > [1] https://lore.kernel.org/linux-pci/20240314-pci-dbi-rework-v10-0-14a45c5a938e@xxxxxxxxxx/ > > [2] https://lore.kernel.org/linux-pci/20240320113157.322695-1-cassel@xxxxxxxxxx/ > > AFAICT both these series [1] (DBI rework v12, not v10) and [2] are fully > reviewed and seem to be ready to go. > > Considering that we have patches depending on [1] and [2], > namely the series in $subject, but also: > https://lore.kernel.org/linux-pci/20240330041928.1555578-1-dlemoal@xxxxxxxxxx/T/#t > > I think it would be a good idea if you could apply [1] and [2] to the > pci/endpoint branch. > Unfortunately, I cannot merge the patches outside 'pci/endpoint' even though these are related to the PCI Endpoint subsystem. But I have delegated these 2 series to Krzysztof, so hopefully he'll apply it soon. - Mani > (It is not easy for people to know that they will need to rebase their work on > these (fully reviewed) series, when they have not been applied.) > > > Kind regards, > Niklas > > > > > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > > --- > > Changes in v2: > > - Dropped the {start/stop}_link rework patches > > - Incorporated comments from Niklas > > - Collected review tags > > - Rebased on top of v6.9-rc1 and https://lore.kernel.org/linux-pci/20240320113157.322695-1-cassel@xxxxxxxxxx/ > > - Link to v1: https://lore.kernel.org/r/20240314-pci-epf-rework-v1-0-6134e6c1d491@xxxxxxxxxx > > > > --- > > Manivannan Sadhasivam (10): > > PCI: qcom-ep: Disable resources unconditionally during PERST# assert > > PCI: endpoint: Decouple EPC and PCIe bus specific events > > PCI: endpoint: Rename core_init() callback in 'struct pci_epc_event_ops' to init() > > PCI: epf-test: Refactor pci_epf_test_unbind() function > > PCI: epf-{mhi/test}: Move DMA initialization to EPC init callback > > PCI: endpoint: Introduce EPC 'deinit' event and notify the EPF drivers > > PCI: dwc: ep: Add a generic dw_pcie_ep_linkdown() API to handle Link Down event > > PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event > > PCI: epf-test: Handle Link Down event > > PCI: qcom: Implement shutdown() callback to properly reset the endpoint devices > > > > drivers/pci/controller/dwc/pcie-designware-ep.c | 99 ++++++++++++++--------- > > drivers/pci/controller/dwc/pcie-designware.h | 5 ++ > > drivers/pci/controller/dwc/pcie-qcom-ep.c | 9 +-- > > drivers/pci/controller/dwc/pcie-qcom.c | 8 ++ > > drivers/pci/controller/dwc/pcie-tegra194.c | 1 + > > drivers/pci/endpoint/functions/pci-epf-mhi.c | 47 ++++++++--- > > drivers/pci/endpoint/functions/pci-epf-test.c | 103 +++++++++++++++++------- > > drivers/pci/endpoint/pci-epc-core.c | 53 ++++++++---- > > include/linux/pci-epc.h | 1 + > > include/linux/pci-epf.h | 27 +++++-- > > 10 files changed, 248 insertions(+), 105 deletions(-) > > --- > > base-commit: e6377605ca734126533a0f8e4de2b4bac881f076 > > change-id: 20240314-pci-epf-rework-a6e65b103a79 > > > > Best regards, > > -- > > Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > > -- மணிவண்ணன் சதாசிவம்
