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Message-ID: <6b89de85-58c0-4808-9a33-6ee7dc26611d@quicinc.com> Date: Fri, 25 Oct 2024 21:08:00 +0530 From: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com> To: Krzysztof Kozlowski <krzk@...nel.org>, Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org> CC: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Sibi Sankar <quic_sibis@...cinc.com>, <linux-arm-msm@...r.kernel.org>, <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <quic_okukatla@...cinc.com>, <quic_mdtipton@...cinc.com> Subject: Re: [PATCH 3/3] interconnect: qcom: Add EPSS L3 support on SA8775P On 9/6/2024 10:00 PM, Krzysztof Kozlowski wrote: > On 06/09/2024 17:32, Raviteja Laggyshetty wrote: >> >> On 9/4/2024 11:52 PM, Krzysztof Kozlowski wrote: >>> On 04/09/2024 19:12, Raviteja Laggyshetty wrote: >>>> + >>>> static const struct qcom_osm_l3_desc epss_l3_l3_vote = { >>>> .nodes = epss_l3_nodes, >>>> .num_nodes = ARRAY_SIZE(epss_l3_nodes), >>>> @@ -284,6 +307,10 @@ static const struct of_device_id osm_l3_of_match[] = { >>>> { .compatible = "qcom,sm8150-osm-l3", .data = &osm_l3 }, >>>> { .compatible = "qcom,sc8180x-osm-l3", .data = &osm_l3 }, >>>> { .compatible = "qcom,sm8250-epss-l3", .data = &epss_l3_perf_state }, >>>> + { .compatible = "qcom,sa8775p-epss-l3-cl0", >>>> + .data = &epss_l3_perf_state }, >>> Don't grow it but express compatibility. >> ok. Will rename compatible from "qcom,sa8775p-epss-l3-cl0" to "qcom,sa8775p-epss-l3". > > This won't solve the problem. You still grow the table, right? Falling back to "qcom,epss-l3" won't work because we need to vote into perf state register. I am introducing a new fallback compatible "qcom,epss-l3-perf" for perf voting, which can be used for upcoming qcs8300. epss_l3_cl0: interconnect@...90000 { compatible = "qcom,sa8775p-epss-l3", "qcom,epss-l3-perf"; }; > > Best regards, > Krzysztof >
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