linux-kernel - Re: [PATCH] media: Convert to using %pOFn instead of device

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Date:   Tue, 28 Aug 2018 13:06:42 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
        Benoit Parrot <bparrot@...com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Hyun Kwon <hyun.kwon@...inx.com>,
        Michal Simek <michal.simek@...inx.com>,
        linux-media@...r.kernel.org
Subject: Re: [PATCH] media: Convert to using %pOFn instead of device_node.name

Hi Rob,

Thank you for the patch.

On Tuesday, 28 August 2018 04:52:29 EEST Rob Herring wrote:
> In preparation to remove the node name pointer from struct device_node,
> convert printf users to use the %pOFn format specifier.
> 
> Cc: Mauro Carvalho Chehab <mchehab@...nel.org>
> Cc: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
> Cc: Benoit Parrot <bparrot@...com>
> Cc: Philipp Zabel <p.zabel@...gutronix.de>
> Cc: Hyun Kwon <hyun.kwon@...inx.com>
> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Cc: Michal Simek <michal.simek@...inx.com>
> Cc: linux-media@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>

Which tree would you like to merge this through ?

> ---
>  drivers/media/i2c/tvp5150.c                   | 8 ++++----
>  drivers/media/platform/davinci/vpif_capture.c | 3 +--
>  drivers/media/platform/ti-vpe/cal.c           | 8 ++++----
>  drivers/media/platform/video-mux.c            | 2 +-
>  drivers/media/platform/xilinx/xilinx-dma.c    | 8 ++++----
>  5 files changed, 14 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c
> index 76e6bed5a1da..f337e523821b 100644
> --- a/drivers/media/i2c/tvp5150.c
> +++ b/drivers/media/i2c/tvp5150.c
> @@ -1403,8 +1403,8 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder,
> struct device_node *np) ret = of_property_read_u32(child, "input",
> &input_type);
>  		if (ret) {
>  			dev_err(decoder->sd.dev,
> -				 "missing type property in node %s\n",
> -				 child->name);
> +				 "missing type property in node %pOFn\n",
> +				 child);
>  			goto err_connector;
>  		}
> 
> @@ -1439,8 +1439,8 @@ static int tvp5150_parse_dt(struct tvp5150 *decoder,
> struct device_node *np) ret = of_property_read_string(child, "label",
> &name);
>  		if (ret < 0) {
>  			dev_err(decoder->sd.dev,
> -				 "missing label property in node %s\n",
> -				 child->name);
> +				 "missing label property in node %pOFn\n",
> +				 child);
>  			goto err_connector;
>  		}
> 
> diff --git a/drivers/media/platform/davinci/vpif_capture.c
> b/drivers/media/platform/davinci/vpif_capture.c index
> a96f53ce8088..35fc69591d54 100644
> --- a/drivers/media/platform/davinci/vpif_capture.c
> +++ b/drivers/media/platform/davinci/vpif_capture.c
> @@ -1583,8 +1583,7 @@ vpif_capture_get_pdata(struct platform_device *pdev)
>  			goto done;
>  		}
> 
> -		dev_dbg(&pdev->dev, "Remote device %s, %pOF found\n",
> -			rem->name, rem);
> +		dev_dbg(&pdev->dev, "Remote device %pOF found\n", rem);
>  		sdinfo->name = rem->full_name;
> 
>  		pdata->asd[i] = devm_kzalloc(&pdev->dev,
> diff --git a/drivers/media/platform/ti-vpe/cal.c
> b/drivers/media/platform/ti-vpe/cal.c index d1febe5baa6d..77d755020e78
> 100644
> --- a/drivers/media/platform/ti-vpe/cal.c
> +++ b/drivers/media/platform/ti-vpe/cal.c
> @@ -1712,8 +1712,8 @@ static int of_cal_create_instance(struct cal_ctx *ctx,
> int inst) v4l2_fwnode_endpoint_parse(of_fwnode_handle(remote_ep),
> endpoint);
> 
>  	if (endpoint->bus_type != V4L2_MBUS_CSI2) {
> -		ctx_err(ctx, "Port:%d sub-device %s is not a CSI2 device\n",
> -			inst, sensor_node->name);
> +		ctx_err(ctx, "Port:%d sub-device %pOFn is not a CSI2 device\n",
> +			inst, sensor_node);
>  		goto cleanup_exit;
>  	}
> 
> @@ -1732,8 +1732,8 @@ static int of_cal_create_instance(struct cal_ctx *ctx,
> int inst) endpoint->bus.mipi_csi2.data_lanes[lane]);
>  	ctx_dbg(3, ctx, "\t>\n");
> 
> -	ctx_dbg(1, ctx, "Port: %d found sub-device %s\n",
> -		inst, sensor_node->name);
> +	ctx_dbg(1, ctx, "Port: %d found sub-device %pOFn\n",
> +		inst, sensor_node);
> 
>  	ctx->asd_list[0] = asd;
>  	ctx->notifier.subdevs = ctx->asd_list;
> diff --git a/drivers/media/platform/video-mux.c
> b/drivers/media/platform/video-mux.c index c01e1592ad0a..61a9bf716a05
> 100644
> --- a/drivers/media/platform/video-mux.c
> +++ b/drivers/media/platform/video-mux.c
> @@ -333,7 +333,7 @@ static int video_mux_probe(struct platform_device *pdev)
> platform_set_drvdata(pdev, vmux);
> 
>  	v4l2_subdev_init(&vmux->subdev, &video_mux_subdev_ops);
> -	snprintf(vmux->subdev.name, sizeof(vmux->subdev.name), "%s", np->name);
> +	snprintf(vmux->subdev.name, sizeof(vmux->subdev.name), "%pOFn", np);
>  	vmux->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
>  	vmux->subdev.dev = dev;
> 
> diff --git a/drivers/media/platform/xilinx/xilinx-dma.c
> b/drivers/media/platform/xilinx/xilinx-dma.c index
> d041f94be832..3c8fcf951c63 100644
> --- a/drivers/media/platform/xilinx/xilinx-dma.c
> +++ b/drivers/media/platform/xilinx/xilinx-dma.c
> @@ -506,8 +506,8 @@ xvip_dma_querycap(struct file *file, void *fh, struct
> v4l2_capability *cap)
> 
>  	strlcpy(cap->driver, "xilinx-vipp", sizeof(cap->driver));
>  	strlcpy(cap->card, dma->video.name, sizeof(cap->card));
> -	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s:%u",
> -		 dma->xdev->dev->of_node->name, dma->port);
> +	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%pOFn:%u",
> +		 dma->xdev->dev->of_node, dma->port);
> 
>  	return 0;
>  }
> @@ -693,8 +693,8 @@ int xvip_dma_init(struct xvip_composite_device *xdev,
> struct xvip_dma *dma, dma->video.fops = &xvip_dma_fops;
>  	dma->video.v4l2_dev = &xdev->v4l2_dev;
>  	dma->video.queue = &dma->queue;
> -	snprintf(dma->video.name, sizeof(dma->video.name), "%s %s %u",
> -		 xdev->dev->of_node->name,
> +	snprintf(dma->video.name, sizeof(dma->video.name), "%pOFn %s %u",
> +		 xdev->dev->of_node,
>  		 type == V4L2_BUF_TYPE_VIDEO_CAPTURE ? "output" : "input",
>  		 port);
>  	dma->video.vfl_type = VFL_TYPE_GRABBER;


-- 
Regards,

Laurent Pinchart