Re: [RFC PATCH] acpi/irq: Add stacked IRQ domain support to PCI interrupt link

2020-11-17 Thread Ard Biesheuvel
(+ Bjorn) On Tue, 17 Nov 2020 at 11:46, Chen Baozi wrote: > > Some PCIe designs require software to do extra acknowledgements for > legacy INTx interrupts. If the driver is written only for device tree, > things are simple. In that case, a new driver can be written under > driver/pci/controller/

[RFC PATCH] acpi/irq: Add stacked IRQ domain support to PCI interrupt link

2020-11-17 Thread Chen Baozi
Some PCIe designs require software to do extra acknowledgements for legacy INTx interrupts. If the driver is written only for device tree, things are simple. In that case, a new driver can be written under driver/pci/controller/ with a DT node of PCIe host written like: pcie { ... interr