From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Georgi Djakov <djakov@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Rajendra Nayak <quic_rjendra@quicinc.com>,
Sibi Sankar <quic_sibis@quicinc.com>,
Abel Vesa <abel.vesa@linaro.org>
Cc: Marijn Suijten <marijn.suijten@somainline.org>,
linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 2/4] dt-bindings: interconnect: Remove bogus interconnect nodes
Date: Tue, 2 Jan 2024 22:00:57 +0100 [thread overview]
Message-ID: <e9ce1ead-d78b-4a89-b330-0f17cd57decc@linaro.org> (raw)
In-Reply-To: <20240102-topic-x1e_fixes-v1-2-70723e08d5f6@linaro.org>
On 02/01/2024 19:29, Konrad Dybcio wrote:
> The downstream kernel has infrastructure for passing votes from different
> interconnect nodes onto different RPMh RSCs. This neither implemented, not
> is going to be implemented upstream (in favor of a different solution
> using ICC tags through the same node).
>
> Unfortunately, as it happens, meaningless (in the upstream context) parts
> of the vendor driver were copied, ending up causing havoc - since all
> "per-RSC" (in quotes because they all point to the main APPS one) BCMs
> defined within the driver overwrite the value in RPMh on every
> aggregation.
>
> To both avoid keeping bogus code around and possibly introducing
> impossible-to-track-down bugs (busses shutting down for no reason), get
> rid of the duplicated ICC node definitions.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2024-01-02 21:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-02 18:29 [PATCH 0/4] X Elite fixups Konrad Dybcio
2024-01-02 18:29 ` [PATCH 1/4] interconnect: qcom: x1e80100: Remove bogus per-RSC BCMs and nodes Konrad Dybcio
2024-01-04 9:59 ` Rajendra Nayak
2024-01-04 10:06 ` Konrad Dybcio
2024-01-02 18:29 ` [PATCH 2/4] dt-bindings: interconnect: Remove bogus interconnect nodes Konrad Dybcio
2024-01-02 21:00 ` Krzysztof Kozlowski [this message]
2024-01-02 18:29 ` [PATCH 3/4] arm64: dts: qcom: x1e80100: Add missing system-wide PSCI power domain Konrad Dybcio
2024-01-02 23:33 ` Abel Vesa
2024-01-02 18:29 ` [PATCH 4/4] arm64: dts: qcom: x1e80100: Flush RSC sleep & wake votes Konrad Dybcio
2024-01-02 23:34 ` Abel Vesa
2024-01-28 2:17 ` [PATCH 0/4] X Elite fixups Bjorn Andersson
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