linux-kernel - Re: [PATCH v1] dt-bindings: perf: riscv,pmu: fix property dependencies

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Message-ID: <168323728954.444248.7169255540576935609.robh@kernel.org>
Date:   Thu, 4 May 2023 16:54:50 -0500
From:   Rob Herring <robh@...nel.org>
To:     Conor Dooley <conor@...nel.org>
Cc:     Conor Dooley <conor.dooley@...rochip.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        devicetree@...r.kernel.org, Andrew Jones <ajones@...tanamicro.com>,
        linux-riscv@...ts.infradead.org,
        Palmer Dabbelt <palmer@...belt.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Atish Patra <atishp@...osinc.com>
Subject: Re: [PATCH v1] dt-bindings: perf: riscv,pmu: fix property
 dependencies


On Tue, 04 Apr 2023 19:03:22 +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
> 
> Seemingly I mis-implemented the dependencies here. The OpenSBI docs only
> point out that the "riscv,event-to-mhpmcounters property is mandatory if
> riscv,event-to-mhpmevent is present". It never claims that
> riscv,event-to-mhpmcounters requires riscv,event-to-mhpmevent.
> 
> Drop the dependency of riscv,event-to-mhpmcounters on
> riscv,event-to-mhpmevent.
> 
> Fixes: 7e38085d9c59 ("dt-bindings: riscv: add SBI PMU event mappings")
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
> 
> Atish, I'm not 100% on this one but I noticed it while doing dt-validate
> on a dump of the qemu virt machine which doesn't use the
> event-to-mhpmevent property.
> 
> CC: Rob Herring <robh+dt@...nel.org>
> CC: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
> CC: Paul Walmsley <paul.walmsley@...ive.com>
> CC: Palmer Dabbelt <palmer@...belt.com>
> CC: Atish Patra <atishp@...osinc.com>
> CC: Andrew Jones <ajones@...tanamicro.com>
> CC: devicetree@...r.kernel.org
> CC: linux-riscv@...ts.infradead.org
> CC: linux-kernel@...r.kernel.org
> ---
>  Documentation/devicetree/bindings/perf/riscv,pmu.yaml | 1 -
>  1 file changed, 1 deletion(-)
> 

Applied, thanks!