The 'ports' node is not supposed to have a 'reg' property at all, in
fact, doing so will lead to dtc issuing warnings looking like these:

arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:109.4-14: Warning (reg_format): /switch/ports:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #address-cells value
arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #size-cells value

Fix the example by remove the stray 'reg' property.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 3b3b6b460f78 ("net: dsa: Add bindings for Realtek SMI DSAs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 Documentation/devicetree/bindings/net/dsa/realtek-smi.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt b/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
index 7959ec237983..a8d0f1febe32 100644
--- a/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
+++ b/Documentation/devicetree/bindings/net/dsa/realtek-smi.txt
@@ -84,7 +84,6 @@ switch {
 	ports {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		reg = <0>;
 		port@0 {
 			reg = <0>;
 			label = "lan0";
@@ -174,7 +173,7 @@ switch {
 	ports {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		reg = <0>;
+
 		port@0 {
 			reg = <0>;
 			label = "swp0";
-- 
2.25.1

On Thu, Dec 23, 2021 at 10:17:41AM -0800, Florian Fainelli wrote:
> The 'ports' node is not supposed to have a 'reg' property at all, in
> fact, doing so will lead to dtc issuing warnings looking like these:
> 
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:109.4-14: Warning (reg_format): /switch/ports:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #address-cells value
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #size-cells value
> 
> Fix the example by remove the stray 'reg' property.
> 
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Fixes: 3b3b6b460f78 ("net: dsa: Add bindings for Realtek SMI DSAs")
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew

On Thu, Dec 23, 2021 at 7:17 PM Florian Fainelli <f.fainelli@gmail.com> wrote:

> The 'ports' node is not supposed to have a 'reg' property at all, in
> fact, doing so will lead to dtc issuing warnings looking like these:
>
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:109.4-14: Warning (reg_format): /switch/ports:reg: property has invalid length (4 bytes) (#address-cells == 2, #size-cells == 1)
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (pci_device_bus_num): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (i2c_bus_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dtb: Warning (spi_bus_reg): Failed prerequisite 'reg_format'
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #address-cells value
> arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts:106.9-149.5: Warning (avoid_default_addr_size): /switch/ports: Relying on default #size-cells value
>
> Fix the example by remove the stray 'reg' property.
>
> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
> Fixes: 3b3b6b460f78 ("net: dsa: Add bindings for Realtek SMI DSAs")
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

Ooops thanks for fixing this! (Wouldn't happen if we converted
it to YAML...)
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij

> Ooops thanks for fixing this! (Wouldn't happen if we converted
> it to YAML...)

I'm working on it. I might post it in a couple of days.

> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
>
> Yours,
> Linus Walleij

On Mon, Dec 27, 2021 at 08:24:05AM -0300, Luiz Angelo Daros de Luca wrote:
> > Ooops thanks for fixing this! (Wouldn't happen if we converted
> > it to YAML...)
> 
> I'm working on it. I might post it in a couple of days.

Then just fix this in the conversion.

> 
> > Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> >
> > Yours,
> > Linus Walleij
> 

> Then just fix this in the conversion.

Hi Rob,

I'm not sure if I got your suggestion. Should I post the new patch
in-reply to this thread?
It is related but something completely different.

I sent YAML conversion v1 a little while ago.
https://lore.kernel.org/netdev/20211228072645.32341-1-luizluca@gmail.com/

I'll send v2 soon. I'll mention it in this thread when I do it.

Best,

Luiz