linux-kernel - Re: [Patch v1 01/10] memory: tegra: add interconnect support for DRAM scaling in Tegra234

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Message-ID: <4d562b75-854d-1997-8969-e7ef222e4e37@gmail.com>
Date:   Tue, 20 Dec 2022 21:10:49 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sumit Gupta <sumitg@...dia.com>, treding@...dia.com,
        krzysztof.kozlowski@...aro.org, dmitry.osipenko@...labora.com,
        viresh.kumar@...aro.org, rafael@...nel.org, jonathanh@...dia.com,
        robh+dt@...nel.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [Patch v1 01/10] memory: tegra: add interconnect support for DRAM
 scaling in Tegra234

20.12.2022 19:02, Sumit Gupta пишет:
> +static int tegra_emc_icc_get_init_bw(struct icc_node *node, u32 *avg, u32 *peak)
> +{
> +	*avg = 0;
> +	*peak = 0;
> +
> +	return 0;
> +}

Looks wrong, you should add ICC support to all the drivers first and
only then enable ICC. I think you added this init_bw() to work around
the fact that ICC isn't supported by T234 drivers.