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

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Date:   Wed, 21 Dec 2022 22:43:50 +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
Cc:     sanjayc@...dia.com, ksitaraman@...dia.com, ishah@...dia.com,
        bbasu@...dia.com
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_mc_interconnect_setup(struct tegra_mc *mc)
>  {
> +	struct tegra_icc_node *tnode;
>  	struct icc_node *node;
>  	unsigned int i;
>  	int err;
> @@ -792,7 +794,11 @@ static int tegra_mc_interconnect_setup(struct tegra_mc *mc)
>  	mc->provider.data = &mc->provider;
>  	mc->provider.set = mc->soc->icc_ops->set;
>  	mc->provider.aggregate = mc->soc->icc_ops->aggregate;
> -	mc->provider.xlate_extended = mc->soc->icc_ops->xlate_extended;
> +	mc->provider.get_bw = mc->soc->icc_ops->get_bw;
> +	if (mc->soc->icc_ops->xlate)
> +		mc->provider.xlate = mc->soc->icc_ops->xlate;
> +	if (mc->soc->icc_ops->xlate_extended)
> +		mc->provider.xlate_extended = mc->soc->icc_ops->xlate_extended;
>  
>  	err = icc_provider_add(&mc->provider);
>  	if (err)
> @@ -814,6 +820,10 @@ static int tegra_mc_interconnect_setup(struct tegra_mc *mc)
>  		goto remove_nodes;
>  
>  	for (i = 0; i < mc->soc->num_clients; i++) {
> +		tnode = kzalloc(sizeof(*tnode), GFP_KERNEL);

devm_kzalloc

On the other hand, the tnode is unnecessary at all. Use struct
tegra_mc_client for sw clients.