Re: [PATCH v2 2/6] media: pxa_camera: Drop the v4l2-clk clock register

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Acked-by: Petr Cvek <petrcvekcz@xxxxxxxxx>

Dne 12. 01. 21 v 20:49 Ezequiel Garcia napsal(a):
> Now that mach-based PXA platforms are registering proper
> fixed-rate clocks through the CCF, the v4l2-clk clock
> is no longer required.
> 
> Drop this clock, so the driver no longer depends on the
> legacy v4l2-clk API.
> 
> Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> ---
>  drivers/media/platform/pxa_camera.c | 30 +----------------------------
>  1 file changed, 1 insertion(+), 29 deletions(-)
> 
> diff --git a/drivers/media/platform/pxa_camera.c b/drivers/media/platform/pxa_camera.c
> index b664ce7558a1..8cfa39108162 100644
> --- a/drivers/media/platform/pxa_camera.c
> +++ b/drivers/media/platform/pxa_camera.c
> @@ -31,7 +31,6 @@
>  #include <linux/dma/pxa-dma.h>
>  
>  #include <media/v4l2-async.h>
> -#include <media/v4l2-clk.h>
>  #include <media/v4l2-common.h>
>  #include <media/v4l2-ctrls.h>
>  #include <media/v4l2-device.h>
> @@ -677,7 +676,6 @@ struct pxa_camera_dev {
>  	unsigned long		ciclk;
>  	unsigned long		mclk;
>  	u32			mclk_divisor;
> -	struct v4l2_clk		*mclk_clk;
>  	u16			width_flags;	/* max 10 bits */
>  
>  	struct list_head	capture;
> @@ -2030,9 +2028,6 @@ static const struct v4l2_ioctl_ops pxa_camera_ioctl_ops = {
>  	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
>  };
>  
> -static const struct v4l2_clk_ops pxa_camera_mclk_ops = {
> -};
> -
>  static const struct video_device pxa_camera_videodev_template = {
>  	.name = "pxa-camera",
>  	.minor = -1,
> @@ -2140,11 +2135,6 @@ static void pxa_camera_sensor_unbind(struct v4l2_async_notifier *notifier,
>  
>  	pxa_camera_destroy_formats(pcdev);
>  
> -	if (pcdev->mclk_clk) {
> -		v4l2_clk_unregister(pcdev->mclk_clk);
> -		pcdev->mclk_clk = NULL;
> -	}
> -
>  	video_unregister_device(&pcdev->vdev);
>  	pcdev->sensor = NULL;
>  
> @@ -2278,7 +2268,6 @@ static int pxa_camera_probe(struct platform_device *pdev)
>  		.src_maxburst = 8,
>  		.direction = DMA_DEV_TO_MEM,
>  	};
> -	char clk_name[V4L2_CLK_NAME_SIZE];
>  	int irq;
>  	int err = 0, i;
>  
> @@ -2417,23 +2406,11 @@ static int pxa_camera_probe(struct platform_device *pdev)
>  	if (err)
>  		goto exit_notifier_cleanup;
>  
> -	v4l2_clk_name_i2c(clk_name, sizeof(clk_name),
> -			  pcdev->asd.match.i2c.adapter_id,
> -			  pcdev->asd.match.i2c.address);
> -
> -	pcdev->mclk_clk = v4l2_clk_register(&pxa_camera_mclk_ops, clk_name, NULL);
> -	if (IS_ERR(pcdev->mclk_clk)) {
> -		err = PTR_ERR(pcdev->mclk_clk);
> -		goto exit_notifier_cleanup;
> -	}
> -
>  	err = v4l2_async_notifier_register(&pcdev->v4l2_dev, &pcdev->notifier);
>  	if (err)
> -		goto exit_free_clk;
> +		goto exit_notifier_cleanup;
>  
>  	return 0;
> -exit_free_clk:
> -	v4l2_clk_unregister(pcdev->mclk_clk);
>  exit_notifier_cleanup:
>  	v4l2_async_notifier_cleanup(&pcdev->notifier);
>  exit_free_v4l2dev:
> @@ -2463,11 +2440,6 @@ static int pxa_camera_remove(struct platform_device *pdev)
>  	v4l2_async_notifier_unregister(&pcdev->notifier);
>  	v4l2_async_notifier_cleanup(&pcdev->notifier);
>  
> -	if (pcdev->mclk_clk) {
> -		v4l2_clk_unregister(pcdev->mclk_clk);
> -		pcdev->mclk_clk = NULL;
> -	}
> -
>  	v4l2_device_unregister(&pcdev->v4l2_dev);
>  
>  	dev_info(&pdev->dev, "PXA Camera driver unloaded\n");
> 



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