[PATCH v1] dt-bindings: riscv: explicitly mention assumption of Zicsr & Zifencei support

Palmer Dabbelt palmer at rivosinc.com
Mon May 1 17:19:57 PDT 2023


On Thu, 27 Apr 2023 11:43:42 +0100, Conor Dooley wrote:
> The dt-binding was defined before the extraction of csr access and
> fence.i into their own extensions, and thus the presence of the I
> base extension implies Zicsr and Zifencei.
> There's no harm in adding them obviously, but for backwards
> compatibility with DTs that existed prior to that extraction, software
> is unable to differentiate between "i" and "i_zicsr_zifencei" without
> any further information.
> 
> [...]

Applied, thanks!

[1/1] dt-bindings: riscv: explicitly mention assumption of Zicsr & Zifencei support
      https://git.kernel.org/palmer/c/41ebfc91f785

Best regards,
-- 
Palmer Dabbelt <palmer at rivosinc.com>




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