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[PATCH 6/6] remoteproc: imx_rproc: Clean up after ops introduction

Peng Fan posted 6 patches 1 day, 12 hours ago
[PATCH 6/6] remoteproc: imx_rproc: Clean up after ops introduction
Posted by Peng Fan 1 day, 12 hours ago 
With the switch-case in imx_rproc_{start,stop}{} removed, simplify
the code logic by removing 'goto'. The last switch-case in
imx_rproc_detect_mode() are no longer needed and can be removed.

This cleanup improves code readability and aligns with the new ops-based
design.

No functional changes.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/remoteproc/imx_rproc.c | 25 +++++++------------------
 1 file changed, 7 insertions(+), 18 deletions(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 5fa729f4286f6ac939357c32fef41d7d97e5f860..ed8395b097d07d02e5323550ff497819f9b95ad6 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -323,14 +323,11 @@ static int imx_rproc_start(struct rproc *rproc)
 	if (ret)
 		return ret;
 
-	if (dcfg->ops && dcfg->ops->start) {
+	if (dcfg->ops && dcfg->ops->start)
 		ret = dcfg->ops->start(rproc);
-		goto start_ret;
-	}
-
-	return -EOPNOTSUPP;
+	else
+		return -EOPNOTSUPP;
 
-start_ret:
 	if (ret)
 		dev_err(dev, "Failed to enable remote core!\n");
 
@@ -380,14 +377,11 @@ static int imx_rproc_stop(struct rproc *rproc)
 	struct device *dev = priv->dev;
 	int ret;
 
-	if (dcfg->ops && dcfg->ops->stop) {
+	if (dcfg->ops && dcfg->ops->stop)
 		ret = dcfg->ops->stop(rproc);
-		goto stop_ret;
-	}
-
-	return -EOPNOTSUPP;
+	else
+		return -EOPNOTSUPP;
 
-stop_ret:
 	if (ret)
 		dev_err(dev, "Failed to stop remote core\n");
 	else
@@ -1000,13 +994,8 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv)
 	if (dcfg->ops && dcfg->ops->detect_mode)
 		return dcfg->ops->detect_mode(priv->rproc);
 
-	switch (dcfg->method) {
-	case IMX_RPROC_NONE:
+	if (dcfg->method == IMX_RPROC_NONE)
 		priv->rproc->state = RPROC_DETACHED;
-		return 0;
-	default:
-		break;
-	}
 
 	return 0;
 }

-- 
2.37.1
Re: [PATCH 6/6] remoteproc: imx_rproc: Clean up after ops introduction
Posted by Mathieu Poirier 8 hours ago 
On Mon, Sep 08, 2025 at 09:07:39PM +0800, Peng Fan wrote:
> With the switch-case in imx_rproc_{start,stop}{} removed, simplify
> the code logic by removing 'goto'. The last switch-case in
> imx_rproc_detect_mode() are no longer needed and can be removed.
> 
> This cleanup improves code readability and aligns with the new ops-based
> design.
> 
> No functional changes.
> 
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  drivers/remoteproc/imx_rproc.c | 25 +++++++------------------
>  1 file changed, 7 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
> index 5fa729f4286f6ac939357c32fef41d7d97e5f860..ed8395b097d07d02e5323550ff497819f9b95ad6 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -323,14 +323,11 @@ static int imx_rproc_start(struct rproc *rproc)
>  	if (ret)
>  		return ret;
>  
> -	if (dcfg->ops && dcfg->ops->start) {
> +	if (dcfg->ops && dcfg->ops->start)
>  		ret = dcfg->ops->start(rproc);
> -		goto start_ret;
> -	}
> -
> -	return -EOPNOTSUPP;
> +	else
> +		return -EOPNOTSUPP;


Here I would simply refactor this to:

        if (!dcfg->ops || !dcfg->ops_start)
                return -EONOTSUPP;

Otherwise this patchset is going in the right direction.

Thanks,
Mathieu

>  
> -start_ret:
>  	if (ret)
>  		dev_err(dev, "Failed to enable remote core!\n");
>  
> @@ -380,14 +377,11 @@ static int imx_rproc_stop(struct rproc *rproc)
>  	struct device *dev = priv->dev;
>  	int ret;
>  
> -	if (dcfg->ops && dcfg->ops->stop) {
> +	if (dcfg->ops && dcfg->ops->stop)
>  		ret = dcfg->ops->stop(rproc);
> -		goto stop_ret;
> -	}
> -
> -	return -EOPNOTSUPP;
> +	else
> +		return -EOPNOTSUPP;
>  
> -stop_ret:
>  	if (ret)
>  		dev_err(dev, "Failed to stop remote core\n");
>  	else
> @@ -1000,13 +994,8 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv)
>  	if (dcfg->ops && dcfg->ops->detect_mode)
>  		return dcfg->ops->detect_mode(priv->rproc);
>  
> -	switch (dcfg->method) {
> -	case IMX_RPROC_NONE:
> +	if (dcfg->method == IMX_RPROC_NONE)
>  		priv->rproc->state = RPROC_DETACHED;
> -		return 0;
> -	default:
> -		break;
> -	}
>  
>  	return 0;
>  }
> 
> -- 
> 2.37.1
>
Re: [PATCH 6/6] remoteproc: imx_rproc: Clean up after ops introduction
Posted by Frank Li 1 day, 10 hours ago 
On Mon, Sep 08, 2025 at 09:07:39PM +0800, Peng Fan wrote:
> With the switch-case in imx_rproc_{start,stop}{} removed, simplify
> the code logic by removing 'goto'. The last switch-case in
> imx_rproc_detect_mode() are no longer needed and can be removed.
>
> This cleanup improves code readability and aligns with the new ops-based
> design.
>
> No functional changes.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  drivers/remoteproc/imx_rproc.c | 25 +++++++------------------
>  1 file changed, 7 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
> index 5fa729f4286f6ac939357c32fef41d7d97e5f860..ed8395b097d07d02e5323550ff497819f9b95ad6 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -323,14 +323,11 @@ static int imx_rproc_start(struct rproc *rproc)
>  	if (ret)
>  		return ret;
>
> -	if (dcfg->ops && dcfg->ops->start) {
> +	if (dcfg->ops && dcfg->ops->start)
>  		ret = dcfg->ops->start(rproc);
> -		goto start_ret;
> -	}
> -
> -	return -EOPNOTSUPP;
> +	else
> +		return -EOPNOTSUPP;
>
> -start_ret:
>  	if (ret)
>  		dev_err(dev, "Failed to enable remote core!\n");
>
> @@ -380,14 +377,11 @@ static int imx_rproc_stop(struct rproc *rproc)
>  	struct device *dev = priv->dev;
>  	int ret;
>
> -	if (dcfg->ops && dcfg->ops->stop) {
> +	if (dcfg->ops && dcfg->ops->stop)
>  		ret = dcfg->ops->stop(rproc);
> -		goto stop_ret;
> -	}
> -
> -	return -EOPNOTSUPP;
> +	else
> +		return -EOPNOTSUPP;
>
> -stop_ret:
>  	if (ret)
>  		dev_err(dev, "Failed to stop remote core\n");
>  	else
> @@ -1000,13 +994,8 @@ static int imx_rproc_detect_mode(struct imx_rproc *priv)
>  	if (dcfg->ops && dcfg->ops->detect_mode)
>  		return dcfg->ops->detect_mode(priv->rproc);
>
> -	switch (dcfg->method) {
> -	case IMX_RPROC_NONE:
> +	if (dcfg->method == IMX_RPROC_NONE)

Is it possible remove "method"? Can you check dcfg->ops->dectect_mode NULL
here?

Frank Li
>  		priv->rproc->state = RPROC_DETACHED;
> -		return 0;
> -	default:
> -		break;
> -	}
>
>  	return 0;
>  }
>
> --
> 2.37.1
>
Re: [PATCH 6/6] remoteproc: imx_rproc: Clean up after ops introduction
Posted by Peng Fan 21 hours ago 
On Mon, Sep 08, 2025 at 11:03:46AM -0400, Frank Li wrote:
>On Mon, Sep 08, 2025 at 09:07:39PM +0800, Peng Fan wrote:
[...]
>>  	if (dcfg->ops && dcfg->ops->detect_mode)
>>  		return dcfg->ops->detect_mode(priv->rproc);
>>
>> -	switch (dcfg->method) {
>> -	case IMX_RPROC_NONE:
>> +	if (dcfg->method == IMX_RPROC_NONE)
>
>Is it possible remove "method"? Can you check dcfg->ops->dectect_mode NULL
>here?

Yeah. we could do as below.
	if (dcfg->ops && dcfg->ops->detect_mode)
		return dcfg->ops->detect_mode(priv->rproc);
	else
		priv->rproc->state = RPROC_DETACHED;

Thanks,
Peng

>
>Frank Li
>>  		priv->rproc->state = RPROC_DETACHED;
>> -		return 0;
>> -	default:
>> -		break;
>> -	}
>>
>>  	return 0;
>>  }
>>
>> --
>> 2.37.1
>>

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