20.12.2022 19:02, Sumit Gupta пишет:
> +static int tegra_emc_icc_set_bw(struct icc_node *src, struct icc_node *dst)
> +{
> + struct tegra186_emc *emc = to_tegra186_emc(dst->provider);
> + struct tegra_mc *mc = dev_get_drvdata(emc->dev->parent);
> + struct mrq_bwmgr_int_request bwmgr_req = { 0 };
> + struct mrq_bwmgr_int_response bwmgr_resp = { 0 };
> + struct tegra_icc_node *tnode = mc->curr_tnode;
> + struct tegra_bpmp_message msg;
> + int ret = 0;
> +
> + /*
> + * Same Src and Dst node will happen during boot from icc_node_add().
> + * This can be used to pre-initialize and set bandwidth for all clients
> + * before their drivers are loaded. We are skipping this case as for us,
> + * the pre-initialization already happened in Bootloader(MB2) and BPMP-FW.
> + */
> + if (src->id == dst->id)
> + return 0;
> +
> + if (mc->curr_tnode->type == TEGRA_ICC_NISO)
The mc->curr_tnode usage looks suspicious, why you can't use src node?
