net: stmmac: platform: provide stmmac_pltfr_probe()

Implement stmmac_pltfr_probe() which is the logical API counterpart
for stmmac_pltfr_remove(). It calls the platform's init() callback and
then probes the stmmac device.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20230623100417.93592-6-brgl@bgdev.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: Bartosz Golaszewski

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

@@ -734,6 +734,34 @@ void stmmac_pltfr_exit(struct platform_device *pdev,
 }
 EXPORT_SYMBOL_GPL(stmmac_pltfr_exit);
 
+/**
+ * stmmac_pltfr_probe
+ * @pdev: platform device pointer
+ * @plat: driver data platform structure
+ * @res: stmmac resources structure
+ * Description: This calls the platform's init() callback and probes the
+ * stmmac driver.
+ */
+int stmmac_pltfr_probe(struct platform_device *pdev,
+		       struct plat_stmmacenet_data *plat,
+		       struct stmmac_resources *res)
+{
+	int ret;
+
+	ret = stmmac_pltfr_init(pdev, plat);
+	if (ret)
+		return ret;
+
+	ret = stmmac_dvr_probe(&pdev->dev, plat, res);
+	if (ret) {
+		stmmac_pltfr_exit(pdev, plat);
+		return ret;
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(stmmac_pltfr_probe);
+
 /**
  * stmmac_pltfr_remove
  * @pdev: platform device pointer

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h

@@ -24,6 +24,9 @@ int stmmac_pltfr_init(struct platform_device *pdev,
 void stmmac_pltfr_exit(struct platform_device *pdev,
 		       struct plat_stmmacenet_data *plat);
 
+int stmmac_pltfr_probe(struct platform_device *pdev,
+		       struct plat_stmmacenet_data *plat,
+		       struct stmmac_resources *res);
 void stmmac_pltfr_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops stmmac_pltfr_pm_ops;