On Tue, Dec 7, 2021 at 11:44 AM Florian Fainelli [off-list ref] wrote:

On 12/7/21 5:49 AM, Rob Herring wrote:

quoted

On Mon, Dec 6, 2021 at 12:52 PM Florian Fainelli [off-list ref] wrote:

quoted

Rename the msi controller unit name to 'msi' to avoid collisions
with the 'msi-controller' boolean property and add the missing
'interrupt-controller' property which is necessary. We also need to
re-arrange the 'ranges' property to show the two cells as being separate
instead of combined since the DT checker is not able to differentiate
otherwise.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/boot/dts/bcm-cygnus.dtsi | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi
index 8ecb7861ce10..ea19d1b56400 100644
--- a/arch/arm/boot/dts/bcm-cygnus.dtsi
+++ b/arch/arm/boot/dts/bcm-cygnus.dtsi

@@ -263,6 +263,7 @@ pcie0: pcie@18012000 {
                        compatible = "brcm,iproc-pcie";
                        reg = <0x18012000 0x1000>;

+                       interrupt-controller;

How is this a fix? This doesn't even work before v5.16 with commit
041284181226 ("of/irq: Allow matching of an interrupt-map local to an
interrupt controller").

What is the path forward? I suppose I could make the
interrupt-controller property not required for this controller but then
the default interrupt-controller schema is not terribly happy about
seeing an interrupt-map/interrupt-map-mask properties without
interrupt-controller.

There's certainly no requirement for having 'interrupt-controller'.
What error are you getting?

Rob