net: stmmac: platform: provide stmmac_pltfr_exit()

Provide a helper wrapper around calling the platform's exit() callback.
This allows users to skip checking if the callback exists.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20230623100417.93592-4-brgl@bgdev.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 41ca4fc..5b2bc12 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -721,6 +721,20 @@ int stmmac_pltfr_init(struct platform_device *pdev,
 EXPORT_SYMBOL_GPL(stmmac_pltfr_init);
 
 /**
+ * stmmac_pltfr_exit
+ * @pdev: pointer to the platform device
+ * @plat: driver data platform structure
+ * Description: Call the platform's exit callback (if any).
+ */
+void stmmac_pltfr_exit(struct platform_device *pdev,
+                      struct plat_stmmacenet_data *plat)
+{
+       if (plat->exit)
+               plat->exit(pdev, plat->bsp_priv);
+}
+EXPORT_SYMBOL_GPL(stmmac_pltfr_exit);
+
+/**
  * stmmac_pltfr_remove
  * @pdev: platform device pointer
  * Description: this function calls the main to free the net resources
@@ -733,10 +747,7 @@ void stmmac_pltfr_remove(struct platform_device *pdev)
        struct plat_stmmacenet_data *plat = priv->plat;
 
        stmmac_dvr_remove(&pdev->dev);
-
-       if (plat->exit)
-               plat->exit(pdev, plat->bsp_priv);
-
+       stmmac_pltfr_exit(pdev, plat);
        stmmac_remove_config_dt(pdev, plat);
 }
 EXPORT_SYMBOL_GPL(stmmac_pltfr_remove);
@@ -756,8 +767,7 @@ static int __maybe_unused stmmac_pltfr_suspend(struct device *dev)
        struct platform_device *pdev = to_platform_device(dev);
 
        ret = stmmac_suspend(dev);
-       if (priv->plat->exit)
-               priv->plat->exit(pdev, priv->plat->bsp_priv);
+       stmmac_pltfr_exit(pdev, priv->plat);
 
        return ret;
 }

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
index 6a2cd47..e79134c 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
@@ -21,6 +21,8 @@ int stmmac_get_platform_resources(struct platform_device *pdev,
 
 int stmmac_pltfr_init(struct platform_device *pdev,
                      struct plat_stmmacenet_data *plat);
+void stmmac_pltfr_exit(struct platform_device *pdev,
+                      struct plat_stmmacenet_data *plat);
 
 void stmmac_pltfr_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops stmmac_pltfr_pm_ops;