device tree interrupt remapping for pcie and pci device

Question

How to assign interrupt number in device tree for each pcie and pci devices connected to main host bridge via pcie switch and pcie-pci bridge ? Is it require to do it manually or it will automatically assigned ?

It depends on PIR as far as I understand. – 0andriy Jun 01 '17 at 23:01 — 0andriy, Jun 01 '17 at 23:01

score 0 · Accepted Answer · edited Aug 09 '17 at 06:27

0

For PCI or PCI-E devices connected via PCI or PCI-E bus, it is not required to declare each and every node in the device tree. The devices which are not connected to the PCI/PCI-E bus, need to be declared.

edited Aug 09 '17 at 06:27

DrKaoliN

1,346
4
25
39

answered Aug 09 '17 at 05:13

JoeFerns

78
6

The devices which are not connected to the PCI/PCI-E bus, need to be declared. Can you please explain this line ? – Adit Ya Sep 24 '18 at 14:21

device tree interrupt remapping for pcie and pci device

1 Answers1