C++ (Cpp) pm_genpd_add_subdomain Examples

Example #1

File: mtk-scpsys.c Project: Announcement/linux

static int __init scpsys_probe_mt8173(struct platform_device *pdev)
{
	struct scp *scp;
	struct genpd_onecell_data *pd_data;
	int ret;

	scp = init_scp(pdev, scp_domain_data_mt8173, NUM_DOMAINS_MT8173);
	if (IS_ERR(scp))
		return PTR_ERR(scp);

	mtk_register_power_domains(pdev, scp, NUM_DOMAINS_MT8173);

	pd_data = &scp->pd_data;

	ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_ASYNC],
		pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D]);
	if (ret && IS_ENABLED(CONFIG_PM))
		dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);

	ret = pm_genpd_add_subdomain(pd_data->domains[MT8173_POWER_DOMAIN_MFG_2D],
		pd_data->domains[MT8173_POWER_DOMAIN_MFG]);
	if (ret && IS_ENABLED(CONFIG_PM))
		dev_err(&pdev->dev, "Failed to add subdomain: %d\n", ret);

	return 0;
}

Example #2

File: pm_domains.c Project: Jetson-TK1-AndroidTV/android_kernel_nvidia_aosp

void tegra_pd_add_sd(struct generic_pm_domain *sd)
{
	struct generic_pm_domain *master = tegra_pd_get_domain(sd->name);

	if (!master)
		return;

	pm_genpd_add_subdomain(master, sd);
}

Example #3

File: pm_domains.c Project: Lyude/linux

static int rockchip_pm_add_subdomain(struct rockchip_pmu *pmu,
				     struct device_node *parent)
{
	struct device_node *np;
	struct generic_pm_domain *child_domain, *parent_domain;
	int error;

	for_each_child_of_node(parent, np) {
		u32 idx;

		error = of_property_read_u32(parent, "reg", &idx);
		if (error) {
			dev_err(pmu->dev,
				"%s: failed to retrieve domain id (reg): %d\n",
				parent->name, error);
			goto err_out;
		}
		parent_domain = pmu->genpd_data.domains[idx];

		error = rockchip_pm_add_one_domain(pmu, np);
		if (error) {
			dev_err(pmu->dev, "failed to handle node %s: %d\n",
				np->name, error);
			goto err_out;
		}

		error = of_property_read_u32(np, "reg", &idx);
		if (error) {
			dev_err(pmu->dev,
				"%s: failed to retrieve domain id (reg): %d\n",
				np->name, error);
			goto err_out;
		}
		child_domain = pmu->genpd_data.domains[idx];

		error = pm_genpd_add_subdomain(parent_domain, child_domain);
		if (error) {
			dev_err(pmu->dev, "%s failed to add subdomain %s: %d\n",
				parent_domain->name, child_domain->name, error);
			goto err_out;
		} else {
			dev_dbg(pmu->dev, "%s add subdomain: %s\n",
				parent_domain->name, child_domain->name);
		}

		rockchip_pm_add_subdomain(pmu, np);
	}

Example #4

File: gdsc.c Project: 020gzh/linux

int gdsc_register(struct gdsc_desc *desc,
		  struct reset_controller_dev *rcdev, struct regmap *regmap)
{
	int i, ret;
	struct genpd_onecell_data *data;
	struct device *dev = desc->dev;
	struct gdsc **scs = desc->scs;
	size_t num = desc->num;

	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->domains = devm_kcalloc(dev, num, sizeof(*data->domains),
				     GFP_KERNEL);
	if (!data->domains)
		return -ENOMEM;

	data->num_domains = num;
	for (i = 0; i < num; i++) {
		if (!scs[i])
			continue;
		scs[i]->regmap = regmap;
		scs[i]->rcdev = rcdev;
		ret = gdsc_init(scs[i]);
		if (ret)
			return ret;
		data->domains[i] = &scs[i]->pd;
	}

	/* Add subdomains */
	for (i = 0; i < num; i++) {
		if (!scs[i])
			continue;
		if (scs[i]->parent)
			pm_genpd_add_subdomain(scs[i]->parent, &scs[i]->pd);
	}

	return of_genpd_add_provider_onecell(dev->of_node, data);
}