linux-kernel - [PATCH 1/3] remoteproc: k3-r5: Use devm_rproc

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Date: Thu, 30 May 2024 14:37:35 +0530
From: Beleswar Padhi <b-padhi@...com>
To: <andersson@...nel.org>, <mathieu.poirier@...aro.org>
CC: <hnagalla@...com>, <u-kumar1@...com>, <afd@...com>,
        <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] remoteproc: k3-r5: 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: Beleswar Padhi <b-padhi@...com>
---
 drivers/remoteproc/ti_k3_r5_remoteproc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
index 50e486bcfa10..26362a509ae3 100644
--- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
@@ -1258,8 +1258,8 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
 			goto out;
 		}
 
-		rproc = rproc_alloc(cdev, dev_name(cdev), &k3_r5_rproc_ops,
-				    fw_name, sizeof(*kproc));
+		rproc = devm_rproc_alloc(cdev, dev_name(cdev), &k3_r5_rproc_ops,
+					 fw_name, sizeof(*kproc));
 		if (!rproc) {
 			ret = -ENOMEM;
 			goto out;
@@ -1351,7 +1351,6 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
 err_add:
 	k3_r5_reserved_mem_exit(kproc);
 err_config:
-	rproc_free(rproc);
 	core->rproc = NULL;
 out:
 	/* undo core0 upon any failures on core1 in split-mode */
@@ -1398,7 +1397,6 @@ static void k3_r5_cluster_rproc_exit(void *data)
 
 		k3_r5_reserved_mem_exit(kproc);
 
-		rproc_free(rproc);
 		core->rproc = NULL;
 	}
 }
-- 
2.34.1