[PATCH 2/8] arm64: dts: qcom: sm8450: Remove unneeded reserved memory nodes

[Konrad Dybcio]

On 6/23/26 1:02 PM, Konrad Dybcio wrote:
> On 6/23/26 2:54 AM, Esteban Urrutia via B4 Relay wrote:
>> From: Esteban Urrutia <esteuwu at proton.me>
>>
>> These nodes are not present on downstream device trees and only take
>> memory away from the AP.
>> No crashes occur without these nodes, so remove them.
>>
>> Signed-off-by: Esteban Urrutia <esteuwu at proton.me>
>> ---
>>  arch/arm64/boot/dts/qcom/sm8450.dtsi | 15 ---------------
>>  1 file changed, 15 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm8450.dtsi b/arch/arm64/boot/dts/qcom/sm8450.dtsi
>> index 56cb6e959e4e..e34e3c05bf74 100644
>> --- a/arch/arm64/boot/dts/qcom/sm8450.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm8450.dtsi
>> @@ -752,11 +752,6 @@ oem_vm_mem: memory at bb000000 {
>>  			no-map;
>>  		};
>>  
>> -		mte_mem: memory at c0000000 {
>> -			reg = <0x0 0xc0000000 0x0 0x20000000>;
>> -			no-map;
>> -		};
> 
> This is mentioned in the memory map description, but is not part
> of it.
> 
> I booted up a 8450 HDK and it doesn't even have MTE, so it's
> probably valid

i.e. it doesn't report MTE to Linux. I don't know if it's Gunyah
trapping it.

Konrad