Re: [PATCH 1/8] ARM: tegra: Clean up AHUB on Tegra124

[Jon Hunter]

Hi Thierry,

On 02/09/2026 11:17, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> Use #address-cells = <1> and #size-cells = <1> because we don't need
> 64-bit register addressing for this hardware. While at it, also adjust
> the ranges property to encompass the entire AHUB range as per the TRM.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
>   arch/arm/boot/dts/nvidia/tegra124.dtsi | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm/boot/dts/nvidia/tegra124.dtsi b/arch/arm/boot/dts/nvidia/tegra124.dtsi
> index ce4efa1de509..7a71dba42dc0 100644
> --- a/arch/arm/boot/dts/nvidia/tegra124.dtsi
> +++ b/arch/arm/boot/dts/nvidia/tegra124.dtsi
> @@ -1114,13 +1114,13 @@ ahub@70300000 {
>   			    "rx3", "tx3", "rx4", "tx4", "rx5", "tx5",
>   			    "rx6", "tx6", "rx7", "tx7", "rx8", "tx8",
>   			    "rx9", "tx9";
> -		ranges;
> -		#address-cells = <2>;
> -		#size-cells = <2>;
> +		ranges = <0x7030000 0x0 0x70300000 0x10000>;


I noticed a regression on Tegra124 Jetson TK1 today and I am seeing ...

 tegra30-i2s 70300000.ahub:i2s@70301100: error -EINVAL: invalid resource (null)
 tegra30-i2s 70300000.ahub:i2s@70301100: probe with driver tegra30-i2s failed with error -22

Looks like the first address in the above is missing a 0 and we
should have 0x70300000 and not 0x7030000.

Let me know if you want to fix up or what a patch to fix.

Thanks!
Jon

--
nvpublic