+static int dsi_get_phy(struct msm_dsi *msm_dsi)
+{
+ struct platform_device *pdev = msm_dsi->pdev;
+ struct platform_device *phy_pdev;
+ struct device_node *phy_node;
+
+ phy_node = of_parse_phandle(pdev->dev.of_node, "qcom,dsi-phy", 0);
+ if (!phy_node) {
+ dev_err(&pdev->dev, "cannot find phy device\n");
+ return -ENXIO;
+ }
+
+ phy_pdev = of_find_device_by_node(phy_node);
+ if (phy_pdev)
+ msm_dsi->phy = platform_get_drvdata(phy_pdev);
+
+ of_node_put(phy_node);
+
+ if (!phy_pdev || !msm_dsi->phy) {
+ dev_err(&pdev->dev, "%s: phy driver is not ready\n", __func__);
+ return -EPROBE_DEFER;
+ }
+
+ msm_dsi->phy_dev = get_device(&phy_pdev->dev);
+
+ return 0;
+}
+