linux-kernel - [PATCH 4/9] remoteproc: qcom_q6v5_mss: Use devm_rproc

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Message-ID: <20240123184632.725054-4-afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:27 -0600
From: Andrew Davis <afd@...com>
To: Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier
	<mathieu.poirier@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer
	<s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Patrice Chotard
	<patrice.chotard@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <linux-remoteproc@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        Andrew Davis <afd@...com>
Subject: [PATCH 4/9] remoteproc: qcom_q6v5_mss: Use devm_rproc_alloc() helper

Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@...com>
---
 drivers/remoteproc/qcom_q6v5_mss.c | 28 ++++++++++++----------------
 1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 394b2c1cb5e21..1779fc890e102 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -1990,8 +1990,8 @@ static int q6v5_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
-			    mba_image, sizeof(*qproc));
+	rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
+				 mba_image, sizeof(*qproc));
 	if (!rproc) {
 		dev_err(&pdev->dev, "failed to allocate rproc\n");
 		return -ENOMEM;
@@ -2008,7 +2008,7 @@ static int q6v5_probe(struct platform_device *pdev)
 					    1, &qproc->hexagon_mdt_image);
 	if (ret < 0 && ret != -EINVAL) {
 		dev_err(&pdev->dev, "unable to read mpss firmware-name\n");
-		goto free_rproc;
+		return ret;
 	}
 
 	platform_set_drvdata(pdev, qproc);
@@ -2019,17 +2019,17 @@ static int q6v5_probe(struct platform_device *pdev)
 	qproc->has_spare_reg = desc->has_spare_reg;
 	ret = q6v5_init_mem(qproc, pdev);
 	if (ret)
-		goto free_rproc;
+		return ret;
 
 	ret = q6v5_alloc_memory_region(qproc);
 	if (ret)
-		goto free_rproc;
+		return ret;
 
 	ret = q6v5_init_clocks(&pdev->dev, qproc->proxy_clks,
 			       desc->proxy_clk_names);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to get proxy clocks.\n");
-		goto free_rproc;
+		return ret;
 	}
 	qproc->proxy_clk_count = ret;
 
@@ -2037,7 +2037,7 @@ static int q6v5_probe(struct platform_device *pdev)
 			       desc->reset_clk_names);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to get reset clocks.\n");
-		goto free_rproc;
+		return ret;
 	}
 	qproc->reset_clk_count = ret;
 
@@ -2045,7 +2045,7 @@ static int q6v5_probe(struct platform_device *pdev)
 			       desc->active_clk_names);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to get active clocks.\n");
-		goto free_rproc;
+		return ret;
 	}
 	qproc->active_clk_count = ret;
 
@@ -2053,7 +2053,7 @@ static int q6v5_probe(struct platform_device *pdev)
 				  desc->proxy_supply);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to get proxy regulators.\n");
-		goto free_rproc;
+		return ret;
 	}
 	qproc->proxy_reg_count = ret;
 
@@ -2061,7 +2061,7 @@ static int q6v5_probe(struct platform_device *pdev)
 				  desc->active_supply);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to get active regulators.\n");
-		goto free_rproc;
+		return ret;
 	}
 	qproc->active_reg_count = ret;
 
@@ -2074,12 +2074,12 @@ static int q6v5_probe(struct platform_device *pdev)
 					  desc->fallback_proxy_supply);
 		if (ret < 0) {
 			dev_err(&pdev->dev, "Failed to get fallback proxy regulators.\n");
-			goto free_rproc;
+			return ret;
 		}
 		qproc->fallback_proxy_reg_count = ret;
 	} else if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to init power domains\n");
-		goto free_rproc;
+		return ret;
 	} else {
 		qproc->proxy_pd_count = ret;
 	}
@@ -2127,8 +2127,6 @@ static int q6v5_probe(struct platform_device *pdev)
 	qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
 detach_proxy_pds:
 	q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
-free_rproc:
-	rproc_free(rproc);
 
 	return ret;
 }
@@ -2149,8 +2147,6 @@ static void q6v5_remove(struct platform_device *pdev)
 	qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
 
 	q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
-
-	rproc_free(rproc);
 }
 
 static const struct rproc_hexagon_res sc7180_mss = {
-- 
2.39.2