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* [PATCH] arm64: dts: allwinner: sun50i-a64: Add missing address/size-cells
@ 2020-04-20 10:31 Ondrej Jirman
  2020-04-20 13:27 ` Maxime Ripard
  0 siblings, 1 reply; 2+ messages in thread
From: Ondrej Jirman @ 2020-04-20 10:31 UTC (permalink / raw)
  To: linux-sunxi
  Cc: Ondrej Jirman, Rob Herring, Maxime Ripard, Chen-Yu Tsai,
	open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	moderated list:ARM/Allwinner sunXi SoC support, open list

The binding specifies #address-cells and #size-cells should be present.
Without them present, dtc issues a warning because default for
#address-cells seems to be <2>:

arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi:1108.4-52:
  Warning (dma_ranges_format):
    /soc/dram-controller@1c62000:dma-ranges:
    "dma-ranges" property has invalid length (12 bytes)
    (parent #address-cells == 1, child #address-cells == 2,
    #size-cells == 1)

mbus #address-cells should be 1.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index cca4261089aa..61698094f450 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -1105,6 +1105,8 @@ mbus: dram-controller@1c62000 {
 			compatible = "allwinner,sun50i-a64-mbus";
 			reg = <0x01c62000 0x1000>;
 			clocks = <&ccu 112>;
+			#address-cells = <1>;
+			#size-cells = <1>;
 			dma-ranges = <0x00000000 0x40000000 0xc0000000>;
 			#interconnect-cells = <1>;
 		};
-- 
2.26.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] arm64: dts: allwinner: sun50i-a64: Add missing address/size-cells
  2020-04-20 10:31 [PATCH] arm64: dts: allwinner: sun50i-a64: Add missing address/size-cells Ondrej Jirman
@ 2020-04-20 13:27 ` Maxime Ripard
  0 siblings, 0 replies; 2+ messages in thread
From: Maxime Ripard @ 2020-04-20 13:27 UTC (permalink / raw)
  To: Ondrej Jirman
  Cc: linux-sunxi, Rob Herring, Chen-Yu Tsai,
	open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS,
	moderated list:ARM/Allwinner sunXi SoC support, open list

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On Mon, Apr 20, 2020 at 12:31:13PM +0200, Ondrej Jirman wrote:
> The binding specifies #address-cells and #size-cells should be present.
> Without them present, dtc issues a warning because default for
> #address-cells seems to be <2>:
> 
> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi:1108.4-52:
>   Warning (dma_ranges_format):
>     /soc/dram-controller@1c62000:dma-ranges:
>     "dma-ranges" property has invalid length (12 bytes)
>     (parent #address-cells == 1, child #address-cells == 2,
>     #size-cells == 1)
> 
> mbus #address-cells should be 1.
> 
> Signed-off-by: Ondrej Jirman <megous@megous.com>

Applied, thanks

Maxime

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2020-04-20 10:31 [PATCH] arm64: dts: allwinner: sun50i-a64: Add missing address/size-cells Ondrej Jirman
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