Re: [PATCH v4 1/3] remoteproc: k3-r5: Use devm_rproc_alloc() helper

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On 8/8/24 2:41 AM, Beleswar Padhi wrote:
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@xxxxxx>
---

LGTM

Reviewed-by: Andrew Davis <afd@xxxxxx>

  drivers/remoteproc/ti_k3_r5_remoteproc.c | 16 +++++-----------
  1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/remoteproc/ti_k3_r5_remoteproc.c b/drivers/remoteproc/ti_k3_r5_remoteproc.c
index 39a47540c590..57067308b3c0 100644
--- a/drivers/remoteproc/ti_k3_r5_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_r5_remoteproc.c
@@ -1259,8 +1259,8 @@ 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;
@@ -1280,7 +1280,7 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
ret = k3_r5_rproc_configure_mode(kproc);
  		if (ret < 0)
-			goto err_config;
+			goto out;
  		if (ret)
  			goto init_rmem;
@@ -1288,7 +1288,7 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
  		if (ret) {
  			dev_err(dev, "initial configure failed, ret = %d\n",
  				ret);
-			goto err_config;
+			goto out;
  		}
init_rmem:
@@ -1298,7 +1298,7 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
  		if (ret) {
  			dev_err(dev, "reserved memory init failed, ret = %d\n",
  				ret);
-			goto err_config;
+			goto out;
  		}
ret = rproc_add(rproc);
@@ -1351,9 +1351,6 @@ static int k3_r5_cluster_rproc_init(struct platform_device *pdev)
  	rproc_del(rproc);
  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 */
  	if (cluster->mode == CLUSTER_MODE_SPLIT && core == core1) {
@@ -1398,9 +1395,6 @@ static void k3_r5_cluster_rproc_exit(void *data)
  		rproc_del(rproc);
k3_r5_reserved_mem_exit(kproc);
-
-		rproc_free(rproc);
-		core->rproc = NULL;
  	}
  }




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