[PATCH net-next v2 10/11] net: stmmac: platform: provide devm_stmmac_pltfr_probe()

From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Junxiao Chang <junxiao.chang@intel.com>,
	Vinod Koul <vkoul@kernel.org>,
	Bhupesh Sharma <bhupesh.sharma@linaro.org>
Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: [PATCH net-next v2 10/11] net: stmmac: platform: provide devm_stmmac_pltfr_probe()
Date: Fri, 23 Jun 2023 12:04:16 +0200	[thread overview]
Message-ID: <20230623100417.93592-11-brgl@bgdev.pl> (raw)
In-Reply-To: <20230623100417.93592-1-brgl@bgdev.pl>

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

Provide a devres variant of stmmac_pltfr_probe() which allows users to
skip calling stmmac_pltfr_remove() at driver detach.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 .../ethernet/stmicro/stmmac/stmmac_platform.c | 30 +++++++++++++++++++
 .../ethernet/stmicro/stmmac/stmmac_platform.h |  3 ++
 2 files changed, 33 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 82d8a1c76476..231152ee5a32 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -803,6 +803,36 @@ int stmmac_pltfr_probe(struct platform_device *pdev,
 }
 EXPORT_SYMBOL_GPL(stmmac_pltfr_probe);
 
+static void devm_stmmac_pltfr_remove(void *data)
+{
+	struct platform_device *pdev = data;
+
+	stmmac_pltfr_remove_no_dt(pdev);
+}
+
+/**
+ * devm_stmmac_pltfr_probe
+ * @pdev: pointer to the platform device
+ * @plat: driver data platform structure
+ * @res: stmmac resources
+ * Description: Devres variant of stmmac_pltfr_probe(). Allows users to skip
+ * calling stmmac_pltfr_remove() on driver detach.
+ */
+int devm_stmmac_pltfr_probe(struct platform_device *pdev,
+			    struct plat_stmmacenet_data *plat,
+			    struct stmmac_resources *res)
+{
+	int ret;
+
+	ret = stmmac_pltfr_probe(pdev, plat, res);
+	if (ret)
+		return ret;
+
+	return devm_add_action_or_reset(&pdev->dev, devm_stmmac_pltfr_remove,
+					pdev);
+}
+EXPORT_SYMBOL_GPL(devm_stmmac_pltfr_probe);
+
 /**
  * stmmac_pltfr_remove_no_dt
  * @pdev: pointer to the platform device
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
index 8c1e5b2e9dae..c5565b2a70ac 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
@@ -29,6 +29,9 @@ void stmmac_pltfr_exit(struct platform_device *pdev,
 int stmmac_pltfr_probe(struct platform_device *pdev,
 		       struct plat_stmmacenet_data *plat,
 		       struct stmmac_resources *res);
+int devm_stmmac_pltfr_probe(struct platform_device *pdev,
+			    struct plat_stmmacenet_data *plat,
+			    struct stmmac_resources *res);
 void stmmac_pltfr_remove_no_dt(struct platform_device *pdev);
 void stmmac_pltfr_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops stmmac_pltfr_pm_ops;
-- 
2.39.2


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