linux-kernel - Re: [PATCH V3 2/2] interconnect: qcom: add QCS8300 interconnect provider driver

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Message-ID: <40dd23e7-9ea5-4eb3-bb6b-e1952d746958@quicinc.com>
Date: Wed, 18 Sep 2024 15:10:34 +0530
From: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Neil Armstrong
	<neil.armstrong@...aro.org>,
        Stephan Gerhold
	<stephan.gerhold@...nkonzept.com>,
        Danila Tikhonov <danila@...xyga.com>,
        "Adam Skladowski" <a39.skl@...il.com>,
        Vladimir Lypak
	<vladimir.lypak@...il.com>,
        Andrew Halaney <ahalaney@...hat.com>,
        Odelu
 Kukatla <quic_okukatla@...cinc.com>,
        Mike Tipton <quic_mdtipton@...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 V3 2/2] interconnect: qcom: add QCS8300 interconnect
 provider driver



On 9/11/2024 4:18 PM, Dmitry Baryshkov wrote:
> On Tue, Sep 10, 2024 at 10:10:13AM GMT, Raviteja Laggyshetty wrote:
>> Add driver for the Qualcomm interconnect buses found in QCS8300
>> based platforms. The topology consists of several NoCs that are
>> controlled by a remote processor that collects the aggregated
>> bandwidth for each master-slave pairs.
>>
>> Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>
>> ---
>>  drivers/interconnect/qcom/Kconfig   |   11 +
>>  drivers/interconnect/qcom/Makefile  |    2 +
>>  drivers/interconnect/qcom/qcs8300.c | 2088 +++++++++++++++++++++++++++
>>  drivers/interconnect/qcom/qcs8300.h |  177 +++
>>  4 files changed, 2278 insertions(+)
>>  create mode 100644 drivers/interconnect/qcom/qcs8300.c
>>  create mode 100644 drivers/interconnect/qcom/qcs8300.h
> 
> The driver looks pretty close to sa8775p one. Would it make sense to
> have a single driver instead? Or would it complicate things
> significantly?
> 

Yes, the target is close to sa8775p. but there are differences in the topology and same driver cannot be used for both targets.

Thanks,
Raviteja