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As the PLDA DT binding doc (Documentation/devicetree/bindings/pci/ plda,xpressrich3-axi-common.yaml) shows, PLDA PCIe contains an interrupt controller. Microchip PolarFire PCIe event IRQs include PLDA interrupts and PolarFire additional interrupts. The interrupt irqchip ops includes ack/mask/unmask interrupt ops, which will write correct registers. Microchip PolarFire PCIe additional interrupts require to write PolarFire SoC self-defined registers. So Microchip PCIe event irqchip ops can not be re-used. Microchip PolarFire PCIe additional interrupts (defined in drivers/pci/controller/plda/pcie-microchip-host.c): EVENT_PCIE_L2_EXIT EVENT_PCIE_HOTRST_EXIT EVENT_PCIE_DLUP_EXIT EVENT_SEC_TX_RAM_SEC_ERR EVENT_SEC_RX_RAM_SEC_ERR ... To support PLDA its own event IRQ process, implements PLDA irqchip ops and add event irqchip field to struct pcie_plda_rp. [kwilczynski: commit log] Link: https://lore.kernel.org/linux-pci/20240328091835.14797-16-minda.chen@starfivetech.com Signed-off-by: Minda Chen <minda.chen@starfivetech.com> Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> |
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| .. | ||
| controller | ||
| endpoint | ||
| hotplug | ||
| msi | ||
| pcie | ||
| switch | ||
| access.c | ||
| ats.c | ||
| bus.c | ||
| devres.c | ||
| doe.c | ||
| ecam.c | ||
| host-bridge.c | ||
| iomap.c | ||
| iov.c | ||
| irq.c | ||
| Kconfig | ||
| Makefile | ||
| mmap.c | ||
| of_property.c | ||
| of.c | ||
| p2pdma.c | ||
| pci-acpi.c | ||
| pci-bridge-emul.c | ||
| pci-bridge-emul.h | ||
| pci-driver.c | ||
| pci-label.c | ||
| pci-mid.c | ||
| pci-pf-stub.c | ||
| pci-stub.c | ||
| pci-sysfs.c | ||
| pci.c | ||
| pci.h | ||
| probe.c | ||
| proc.c | ||
| quirks.c | ||
| remove.c | ||
| rom.c | ||
| search.c | ||
| setup-bus.c | ||
| setup-res.c | ||
| slot.c | ||
| syscall.c | ||
| vc.c | ||
| vgaarb.c | ||
| vpd.c | ||
| xen-pcifront.c | ||