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Date:   Fri, 13 Jan 2023 20:34:18 +0530
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Subject: Re: [Patch v1 09/10] memory: tegra: get number of enabled mc channels
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To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        <treding@nvidia.com>, <dmitry.osipenko@collabora.com>,
        <viresh.kumar@linaro.org>, <rafael@kernel.org>,
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CC:     <sanjayc@nvidia.com>, <ksitaraman@nvidia.com>, <ishah@nvidia.com>,
        <bbasu@nvidia.com>, Sumit Gupta <sumitg@nvidia.com>
References: <20221220160240.27494-1-sumitg@nvidia.com>
 <20221220160240.27494-10-sumitg@nvidia.com>
 <db223161-a424-c4cf-09a8-ff2241fda71a@linaro.org>
From:   Sumit Gupta <sumitg@nvidia.com>
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On 22/12/22 17:07, Krzysztof Kozlowski wrote:
> External email: Use caution opening links or attachments
> 
> 
> On 20/12/2022 17:02, Sumit Gupta wrote:
>> Get number of MC channels which are actually enabled
>> in current boot configuration.
> 
> Why? You don't do anything with it. Commit msg should give the reason of
> changes.
> 
> 
> Best regards,
> Krzysztof
> 

CPU OPP tables have per channel bandwidth info. The "mc->num_channels" 
is used in [1] (Patch v1 10/10) to make the per MC channel bandwidth 
requested by the CPU cluster as a multiple of number of the enabled mc 
channels.

Will update the commit description with this info.

[1] 
https://lore.kernel.org/lkml/20221220160240.27494-1-sumitg@nvidia.com/T/#m3ac150a86977e89b97c5d19c60384f29d7a01d21