Re: [PATCH v2 2/7] ARM: imx6: gpc: Add PU power domain for GPU/VPU

On Thu, Feb 13, 2014 at 03:39:05PM +0100, Philipp Zabel wrote:

+static int imx_gpc_probe(struct platform_device *pdev)
+{
+	struct device_node *np;
+	int ret;
+
+	np = of_get_child_by_name(pdev->dev.of_node, "pu-power-domain");
+	if (!np) {
+		dev_err(&pdev->dev, "missing pu-power-domain node\n");
+		return -EINVAL;
+	}
+	imx6q_pu_domain.of_node = np;

Once ...

+
+	pu_reg = devm_regulator_get(&pdev->dev, "pu");
+	if (IS_ERR(pu_reg)) {
+		ret = PTR_ERR(pu_reg);
+		dev_err(&pdev->dev, "failed to get pu regulator: %d\n", ret);
+		return ret;
+	}
+
+	/* The regulator is initially enabled */
+	ret = regulator_enable(pu_reg);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "failed to enable pu regulator: %d\n", ret);
+		return ret;
+	}
+
+	imx6q_pu_domain.of_node = np;

Twice.

Shawn

+	imx6q_pm_pu_power_off(&imx6q_pu_domain);
+	pm_genpd_init(&imx6q_pu_domain, NULL, true);
+	bus_register_notifier(&platform_bus_type, &imx6q_platform_nb);
+
+	return 0;
+}
+
+static struct of_device_id imx_gpc_dt_ids[] = {
+	{ .compatible = "fsl,imx6q-gpc" },
+	{ }
+};
+
+static struct platform_driver imx_gpc_driver = {
+	.driver = {
+		.name = "imx-gpc",
+		.owner = THIS_MODULE,
+		.of_match_table = imx_gpc_dt_ids,
+	},
+	.probe = imx_gpc_probe,
+};
+
+static int __init imx_pgc_init(void)
+{
+	return platform_driver_register(&imx_gpc_driver);
+}
+subsys_initcall(imx_pgc_init);
-- 
1.8.5.3

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