linux-kernel - [PATCH 1/9] remoteproc: imx_dsp_rproc: Use devm_rproc

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Message-ID: <20240123184632.725054-1-afd@ti.com>
Date: Tue, 23 Jan 2024 12:46:24 -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 1/9] remoteproc: imx_dsp_rproc: 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/imx_dsp_rproc.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index a1c62d15f16c6..56a799cb8b363 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -1104,8 +1104,8 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	rproc = rproc_alloc(dev, "imx-dsp-rproc", &imx_dsp_rproc_ops, fw_name,
-			    sizeof(*priv));
+	rproc = devm_rproc_alloc(dev, "imx-dsp-rproc", &imx_dsp_rproc_ops,
+				 fw_name, sizeof(*priv));
 	if (!rproc)
 		return -ENOMEM;
 
@@ -1125,14 +1125,14 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
 	ret = imx_dsp_rproc_detect_mode(priv);
 	if (ret) {
 		dev_err(dev, "failed on imx_dsp_rproc_detect_mode\n");
-		goto err_put_rproc;
+		return ret;
 	}
 
 	/* There are multiple power domains required by DSP on some platform */
 	ret = imx_dsp_attach_pm_domains(priv);
 	if (ret) {
 		dev_err(dev, "failed on imx_dsp_attach_pm_domains\n");
-		goto err_put_rproc;
+		return ret;
 	}
 	/* Get clocks */
 	ret = imx_dsp_rproc_clk_get(priv);
@@ -1155,8 +1155,6 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
 
 err_detach_domains:
 	imx_dsp_detach_pm_domains(priv);
-err_put_rproc:
-	rproc_free(rproc);
 
 	return ret;
 }
@@ -1169,7 +1167,6 @@ static void imx_dsp_rproc_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	rproc_del(rproc);
 	imx_dsp_detach_pm_domains(priv);
-	rproc_free(rproc);
 }
 
 /* pm runtime functions */
-- 
2.39.2