Re: [PATCH v2 1/2] arm64: dts: qcom: msm8953: Set initial address for memory

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On Sat, Nov 25, 2023 at 01:19:27PM +0100, Luca Weiss wrote:
> The dtbs_check really doesn't like having memory without reg set.
> 
> The base address depends on the amount of RAM you have:
> 
>   <= 2.00 GiB RAM: 0x80000000
>    = 3.00 GiB RAM: 0x40000000
>    = 3.75 GiB RAM: 0x10000000
>  (more does not fit into the 32-bit physical address space)
> 
> So, let's pick one of the values, 0x10000000 which is used on devices
> with 3.75 GiB RAM. Since the bootloader will update it to what's present
> on the device it doesn't matter too much.
> 
> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/msm8953.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
> index e7de7632669a..a3ba24ca599b 100644
> --- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
> @@ -174,10 +174,10 @@ scm: scm {
>  		};
>  	};
>  
> -	memory {

Wouldn't it be sufficient to add @0 here, to please dtbs_check?

Regards,
Bjorn

> +	memory@10000000 {
>  		device_type = "memory";
>  		/* We expect the bootloader to fill in the reg */
> -		reg = <0 0 0 0>;
> +		reg = <0 0x10000000 0 0>;
>  	};
>  
>  	pmu {
> 
> -- 
> 2.43.0
> 




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