net: stmmac: make stmmac_{probe|remove}_config_dt static

Now there's no external users of these two functions, make them static
so that there aren't any new usages of stmmac_probe_config_dt().

To avoid forward declaration, move stmmac_remove_config_dt() location.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Suggested-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: xhackerustc

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

@@ -387,6 +387,22 @@ static int stmmac_of_get_mac_mode(struct device_node *np)
 	return -ENODEV;
 }
 
+/**
+ * stmmac_remove_config_dt - undo the effects of stmmac_probe_config_dt()
+ * @pdev: platform_device structure
+ * @plat: driver data platform structure
+ *
+ * Release resources claimed by stmmac_probe_config_dt().
+ */
+static void stmmac_remove_config_dt(struct platform_device *pdev,
+				    struct plat_stmmacenet_data *plat)
+{
+	clk_disable_unprepare(plat->stmmac_clk);
+	clk_disable_unprepare(plat->pclk);
+	of_node_put(plat->phy_node);
+	of_node_put(plat->mdio_node);
+}
+
 /**
  * stmmac_probe_config_dt - parse device-tree driver parameters
  * @pdev: platform_device structure
@@ -395,7 +411,7 @@ static int stmmac_of_get_mac_mode(struct device_node *np)
  * this function is to read the driver parameters from device-tree and
  * set some private fields that will be used by the main at runtime.
  */
-struct plat_stmmacenet_data *
+static struct plat_stmmacenet_data *
 stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -665,43 +681,14 @@ devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
 
 	return plat;
 }
-
-/**
- * stmmac_remove_config_dt - undo the effects of stmmac_probe_config_dt()
- * @pdev: platform_device structure
- * @plat: driver data platform structure
- *
- * Release resources claimed by stmmac_probe_config_dt().
- */
-void stmmac_remove_config_dt(struct platform_device *pdev,
-			     struct plat_stmmacenet_data *plat)
-{
-	clk_disable_unprepare(plat->stmmac_clk);
-	clk_disable_unprepare(plat->pclk);
-	of_node_put(plat->phy_node);
-	of_node_put(plat->mdio_node);
-}
 #else
-struct plat_stmmacenet_data *
-stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
-{
-	return ERR_PTR(-EINVAL);
-}
-
 struct plat_stmmacenet_data *
 devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
 {
 	return ERR_PTR(-EINVAL);
 }
-
-void stmmac_remove_config_dt(struct platform_device *pdev,
-			     struct plat_stmmacenet_data *plat)
-{
-}
 #endif /* CONFIG_OF */
-EXPORT_SYMBOL_GPL(stmmac_probe_config_dt);
 EXPORT_SYMBOL_GPL(devm_stmmac_probe_config_dt);
-EXPORT_SYMBOL_GPL(stmmac_remove_config_dt);
 
 int stmmac_get_platform_resources(struct platform_device *pdev,
 				  struct stmmac_resources *stmmac_res)

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

@@ -11,12 +11,8 @@
 
 #include "stmmac.h"
 
-struct plat_stmmacenet_data *
-stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac);
 struct plat_stmmacenet_data *
 devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac);
-void stmmac_remove_config_dt(struct platform_device *pdev,
-			     struct plat_stmmacenet_data *plat);
 
 int stmmac_get_platform_resources(struct platform_device *pdev,
 				  struct stmmac_resources *stmmac_res);