+#ifdef CONFIG_OF
+int rtl8366_smi_probe_of(struct platform_device *pdev, struct rtl8366_smi *smi)
+{
+ int sck = of_get_named_gpio(pdev->dev.of_node, "gpio-sck", 0);
+ int sda = of_get_named_gpio(pdev->dev.of_node, "gpio-sda", 0);
+
+ if (!sck || !sda) {
+ dev_err(&pdev->dev, "gpios missing in devictree\n");
+ return -EINVAL;
+ }
+
+ smi->gpio_sda = sda;
+ smi->gpio_sck = sck;
+
+ return 0;
+}
+#else
+static inline int rtl8366_smi_probe_of(struct device_node *np, struct rtl8366_smi *smi)
+{
+ return -ENODEV;
+}
+#endif
+
+int rtl8366_smi_probe_plat(struct platform_device *pdev, struct rtl8366_smi *smi)
+{
+ struct rtl8366_platform_data *pdata = pdev->dev.platform_data;
+
+ if (!pdev->dev.platform_data) {
+ dev_err(&pdev->dev, "no platform data specified\n");
+ return -EINVAL;
+ }
+
+ smi->gpio_sda = pdata->gpio_sda;
+ smi->gpio_sck = pdata->gpio_sck;
+ smi->hw_reset = pdata->hw_reset;
+
+ return 0;
+}
+
+
+struct rtl8366_smi *rtl8366_smi_probe(struct platform_device *pdev)
+{
+ struct rtl8366_smi *smi;
+ int err;
+
+ smi = rtl8366_smi_alloc(&pdev->dev);
+ if (!smi)
+ return NULL;
+
+ if (pdev->dev.of_node)
+ err = rtl8366_smi_probe_of(pdev, smi);
+ else
+ err = rtl8366_smi_probe_plat(pdev, smi);
+
+ if (err)
+ goto free_smi;
+
+ return smi;
+
+free_smi:
+ kfree(smi);
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(rtl8366_smi_probe);
+