linux-kernel - Re: [PATCH 2/3] interconnect: qcom: Add EPSS L3 support on QCS8300 SoC

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Message-ID: <11827cf0-8985-43e7-8c05-3c554bf1fdbf@oss.qualcomm.com>
Date: Tue, 17 Jun 2025 16:36:59 +0530
From: Raviteja Laggyshetty <raviteja.laggyshetty@....qualcomm.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: Mike Tiption <mdtipton@...cinc.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
Subject: Re: [PATCH 2/3] interconnect: qcom: Add EPSS L3 support on QCS8300
 SoC


On 6/17/2025 2:56 PM, Krzysztof Kozlowski wrote:
> On 17/06/2025 11:06, Raviteja Laggyshetty wrote:
>> Add Epoch Subsystem (EPSS) L3 interconnect provider support on
>> QCS8300 SoC.
>>
>> Signed-off-by: Raviteja Laggyshetty <raviteja.laggyshetty@....qualcomm.com>
>> ---
>>  drivers/interconnect/qcom/osm-l3.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
>> index baecbf2533f7..d8f1e0a4617b 100644
>> --- a/drivers/interconnect/qcom/osm-l3.c
>> +++ b/drivers/interconnect/qcom/osm-l3.c
>> @@ -270,6 +270,7 @@ 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,qcs8300-epss-l3", .data = &epss_l3_perf_state },
> Heh, the same as some time ago. We discussed this.
>
> No, stop adding more redundant entries. For explanation look at previous
> discussions.

Will remove the compatible "qcom,qcs8300-epss-l3" from driver and retain
it in bindings and devicetree. 

This will allow the driver to probe using generic compatible, without
the need of additional target specific compatible.

>
> Best regards,
> Krzysztof