From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
Raviteja Laggyshetty <quic_rlaggysh@quicinc.com>,
Georgi Djakov <djakov@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Sibi Sankar <quic_sibis@quicinc.com>,
linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
quic_okukatla@quicinc.com, quic_mdtipton@quicinc.com
Subject: Re: [PATCH 3/3] interconnect: qcom: Add EPSS L3 support on SA8775P
Date: Sat, 26 Oct 2024 14:24:16 +0200 [thread overview]
Message-ID: <8a8df92d-a8f1-456c-92cb-d0d485f03345@oss.qualcomm.com> (raw)
In-Reply-To: <e7ce51a1-97a1-4d54-a1d4-0f6d279a9055@kernel.org>
On 26.10.2024 1:28 PM, Krzysztof Kozlowski wrote:
> On 25/10/2024 17:38, Raviteja Laggyshetty wrote:
>>
>>
>> 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.
>
> Maybe, no clue, this was 1.5 months ago. I don't have original patches
> in the inbox anymore.
>
> Just choose something sensible following writing bindings guideline.
You can see that qcom,sm8250-epss-l3 uses the same match data, so that
sounds like a good fit
Konrad
next prev parent reply other threads:[~2024-10-26 12:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-04 17:12 [PATCH 0/3] Add EPSS L3 provider support on SA8775P SoC Raviteja Laggyshetty
2024-09-04 17:12 ` [PATCH 1/3] dt-bindings: interconnect: Add EPSS L3 compatible for SA8775P Raviteja Laggyshetty
2024-09-04 18:23 ` Krzysztof Kozlowski
2024-10-25 15:36 ` Raviteja Laggyshetty
2024-09-04 17:12 ` [PATCH 2/3] arm64: dts: qcom: sa8775p: add EPSS l3 interconnect provider Raviteja Laggyshetty
2024-09-04 17:12 ` [PATCH 3/3] interconnect: qcom: Add EPSS L3 support on SA8775P Raviteja Laggyshetty
2024-09-04 18:22 ` Krzysztof Kozlowski
[not found] ` <bfcc65b2-97a4-4353-a2fd-dce927c53428@quicinc.com>
2024-09-06 16:30 ` Krzysztof Kozlowski
2024-10-25 15:38 ` Raviteja Laggyshetty
2024-10-26 11:28 ` Krzysztof Kozlowski
2024-10-26 12:24 ` Konrad Dybcio [this message]
2024-10-26 12:26 ` Krzysztof Kozlowski
2024-09-09 11:44 ` Konrad Dybcio
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