linux-kernel - [PATCH net-next v2 03/11] net: stmmac: platform: provide stmmac_pltfr

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Message-Id: <20230623100417.93592-4-brgl@bgdev.pl>
Date:   Fri, 23 Jun 2023 12:04:09 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Junxiao Chang <junxiao.chang@...el.com>,
        Vinod Koul <vkoul@...nel.org>,
        Bhupesh Sharma <bhupesh.sharma@...aro.org>
Cc:     netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH net-next v2 03/11] net: stmmac: platform: provide stmmac_pltfr_exit()

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

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@...aro.org>
---
 .../ethernet/stmicro/stmmac/stmmac_platform.c | 22 ++++++++++++++-----
 .../ethernet/stmicro/stmmac/stmmac_platform.h |  2 ++
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 41ca4fc9f863..5b2bc129cd85 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -720,6 +720,20 @@ 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
@@ -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 6a2cd47fedcd..e79134cc1d3d 100644
--- 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;
-- 
2.39.2