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SubjectRe: [RFC PATCH 6/7] dt-bindings: riscv: Remove "riscv,svXX" property from device-tree
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On 4/3/20 11:53 AM, Palmer Dabbelt wrote:
> On Sun, 22 Mar 2020 04:00:27 PDT (-0700), alex@ghiti.fr wrote:
>> This property can not be used before virtual memory is set up
>> and then the  distinction between sv39 and sv48 is done at runtime
>> using SATP csr property: this property is now useless, so remove it.
>>
>> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
>> ---
>>  Documentation/devicetree/bindings/riscv/cpus.yaml | 13 -------------
>>  1 file changed, 13 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml
>> b/Documentation/devicetree/bindings/riscv/cpus.yaml
>> index 04819ad379c2..12baabbac213 100644
>> --- a/Documentation/devicetree/bindings/riscv/cpus.yaml
>> +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
>> @@ -39,19 +39,6 @@ properties:
>>        Identifies that the hart uses the RISC-V instruction set
>>        and identifies the type of the hart.
>>
>> -  mmu-type:
>> -    allOf:
>> -      - $ref: "/schemas/types.yaml#/definitions/string"
>> -      - enum:
>> -          - riscv,sv32
>> -          - riscv,sv39
>> -          - riscv,sv48
>> -    description:
>> -      Identifies the MMU address translation mode used on this
>> -      hart.  These values originate from the RISC-V Privileged
>> -      Specification document, available from
>> -      https://riscv.org/specifications/
>> -
>>    riscv,isa:
>>      allOf:
>>        - $ref: "/schemas/types.yaml#/definitions/string"
>
> I'd prefer if we continue to define this in the schema: while Linux
> won't use
> it, it's still useful for other programs that want to statically
> determine the
> available VA widths.

Sure, I'll remove that in next version.

Thanks,

Alex

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