Re: [PATCH v2 resend 4/8] media: platform: ti: use for_each_endpoint_of_node()

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hello Morimoto-san,

Thank you for the patch.

On Tue, May 28, 2024 at 11:55:42PM +0000, Kuninori Morimoto wrote:
> We already have for_each_endpoint_of_node(), don't use
> of_graph_get_next_endpoint() directly. Replace it.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

> ---
>  drivers/media/platform/ti/am437x/am437x-vpfe.c   | 12 +++++-------
>  drivers/media/platform/ti/davinci/vpif_capture.c | 12 ++++++------
>  2 files changed, 11 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/media/platform/ti/am437x/am437x-vpfe.c b/drivers/media/platform/ti/am437x/am437x-vpfe.c
> index 77e12457d1495..009ff68a2b43c 100644
> --- a/drivers/media/platform/ti/am437x/am437x-vpfe.c
> +++ b/drivers/media/platform/ti/am437x/am437x-vpfe.c
> @@ -2287,7 +2287,7 @@ static const struct v4l2_async_notifier_operations vpfe_async_ops = {
>  static struct vpfe_config *
>  vpfe_get_pdata(struct vpfe_device *vpfe)
>  {
> -	struct device_node *endpoint = NULL;
> +	struct device_node *endpoint;
>  	struct device *dev = vpfe->pdev;
>  	struct vpfe_subdev_info *sdinfo;
>  	struct vpfe_config *pdata;
> @@ -2306,14 +2306,11 @@ vpfe_get_pdata(struct vpfe_device *vpfe)
>  	if (!pdata)
>  		return NULL;
>  
> -	for (i = 0; ; i++) {
> +	i = 0;
> +	for_each_endpoint_of_node(dev->of_node, endpoint) {
>  		struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
>  		struct device_node *rem;
>  
> -		endpoint = of_graph_get_next_endpoint(dev->of_node, endpoint);
> -		if (!endpoint)
> -			break;
> -
>  		sdinfo = &pdata->sub_devs[i];
>  		sdinfo->grp_id = 0;
>  
> @@ -2371,9 +2368,10 @@ vpfe_get_pdata(struct vpfe_device *vpfe)
>  		of_node_put(rem);
>  		if (IS_ERR(pdata->asd[i]))
>  			goto cleanup;
> +
> +		i++;
>  	}
>  
> -	of_node_put(endpoint);
>  	return pdata;
>  
>  cleanup:
> diff --git a/drivers/media/platform/ti/davinci/vpif_capture.c b/drivers/media/platform/ti/davinci/vpif_capture.c
> index c28794b6677b7..078ae11cd0787 100644
> --- a/drivers/media/platform/ti/davinci/vpif_capture.c
> +++ b/drivers/media/platform/ti/davinci/vpif_capture.c
> @@ -1517,16 +1517,12 @@ vpif_capture_get_pdata(struct platform_device *pdev,
>  	if (!pdata->subdev_info)
>  		return NULL;
>  
> -	for (i = 0; i < VPIF_CAPTURE_NUM_CHANNELS; i++) {
> +	i = 0;
> +	for_each_endpoint_of_node(pdev->dev.of_node, endpoint) {
>  		struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
>  		unsigned int flags;
>  		int err;
>  
> -		endpoint = of_graph_get_next_endpoint(pdev->dev.of_node,
> -						      endpoint);
> -		if (!endpoint)
> -			break;
> -
>  		rem = of_graph_get_remote_port_parent(endpoint);
>  		if (!rem) {
>  			dev_dbg(&pdev->dev, "Remote device at %pOF not found\n",
> @@ -1577,6 +1573,10 @@ vpif_capture_get_pdata(struct platform_device *pdev,
>  			goto err_cleanup;
>  
>  		of_node_put(rem);
> +
> +		i++;
> +		if (i >= VPIF_CAPTURE_NUM_CHANNELS)
> +			break;
>  	}
>  
>  done:

-- 
Regards,

Laurent Pinchart