On Fri, Apr 04, 2025 at 03:11:40PM -0500, Rob Herring wrote: > On Fri, Apr 04, 2025 at 03:01:05PM -0400, Frank Li wrote: > > Document the use of msi-map for PCI Endpoint (EP) controllers, which can > > use MSI as a doorbell mechanism. Each EP controller can support up to 8 > > physical functions and 65,536 virtual functions. > > > > Define how to construct device IDs using function bits [2:0] and virtual > > function index bits [31:3], enabling msi-map to associate each child device > > with a specific msi-specifier. > > > > Include a device tree example illustrating this configuration. > > > > Signed-off-by: Frank Li <frank...@nxp.com> > > --- > > change from v15 to v16 > > - new patch > > --- > > Documentation/devicetree/bindings/pci/pci-msi.txt | 51 > > +++++++++++++++++++++++ > > 1 file changed, 51 insertions(+) > > Please don't add to .txt files.
where should put? Suggest by Marc Zyngier <m...@kernel.org> "- Documentation: the msi-map property usage is undefined outside of a PCIe RC, and the way you describe its use is so vague I read anything in it. Please update Documentation/devicetree/bindings/pci/pci-msi.txt to reflect the new use case." https://lore.kernel.org/all/86ldtpot6m.wl-...@kernel.org/ Frank > > Rob
