Re: [PATCH v2 4/4] media: qcom: camss: use fwnode_graph_for_each_endpoint_scoped() to simplify code

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Frank.Li@oss.nxp.com
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Daniel Scally <djrscally@gmail.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Danilo Krummrich <dakr@kernel.org>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Dafna Hirschfeld <dafna@fastmail.com>,
	Heiko Stuebner <heiko@sntech.de>,
	Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
	Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>,
	Loic Poulain <loic.poulain@oss.qualcomm.com>,
	driver-core@lists.linux.dev, linux-acpi@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	linux-rockchip@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-arm-msm@vger.kernel.org, imx@lists.linux.dev,
	Guoniu Zhou <guoniu.zhou@nxp.com>, Frank Li <Frank.Li@nxp.com>,
	Guoniu Zhou <guoniu.zhou@oss.nxp.com>
Subject: Re: [PATCH v2 4/4] media: qcom: camss: use fwnode_graph_for_each_endpoint_scoped() to simplify code
Date: Wed, 24 Jun 2026 22:17:12 +0300	[thread overview]
Message-ID: <20260624191712.GF851255@killaraus.ideasonboard.com> (raw)
In-Reply-To: <20260624-fw_scoped-v2-4-0a8db472af4a@nxp.com>

On Wed, Jun 24, 2026 at 01:00:12PM -0400, Frank.Li@oss.nxp.com wrote:
> From: Frank Li <Frank.Li@nxp.com>
> 
> Use fwnode_graph_for_each_endpoint_scoped() to simplify code.
> 
> No functional changes.
> 
> Reviewed-by: Guoniu Zhou <guoniu.zhou@oss.nxp.com>
> Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>

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

> ---
> change in v2
> - fix typo simplify
> - collect andy, gouniou and loic's review tags
> ---
>  drivers/media/platform/qcom/camss/camss.c | 17 +++++------------
>  1 file changed, 5 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 2123f6388e3d7..23f3cc30a15a5 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -4793,30 +4793,23 @@ static int camss_parse_endpoint_node(struct device *dev,
>  static int camss_parse_ports(struct camss *camss)
>  {
>  	struct device *dev = camss->dev;
> -	struct fwnode_handle *fwnode = dev_fwnode(dev), *ep;
> +	struct fwnode_handle *fwnode = dev_fwnode(dev);
>  	int ret;
>  
> -	fwnode_graph_for_each_endpoint(fwnode, ep) {
> +	fwnode_graph_for_each_endpoint_scoped(fwnode, ep) {
>  		struct camss_async_subdev *csd;
>  
>  		csd = v4l2_async_nf_add_fwnode_remote(&camss->notifier, ep,
>  						      typeof(*csd));
> -		if (IS_ERR(csd)) {
> -			ret = PTR_ERR(csd);
> -			goto err_cleanup;
> -		}
> +		if (IS_ERR(csd))
> +			return PTR_ERR(csd);
>  
>  		ret = camss_parse_endpoint_node(dev, ep, csd);
>  		if (ret < 0)
> -			goto err_cleanup;
> +			return ret;
>  	}
>  
>  	return 0;
> -
> -err_cleanup:
> -	fwnode_handle_put(ep);
> -
> -	return ret;
>  }
>  
>  /*

-- 
Regards,

Laurent Pinchart