Re: [PATCH] media: imx: remove code for non-existing config IMX_GPT_ICAP

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Hi Lukas,

On Tue, Nov 22, 2022 at 02:23:30PM +0100, Lukas Bulwahn wrote:
> There never was a config IMX_GPT_ICAP in the repository. So remove the code
> conditional on this config and simplify the callers that just called empty
> functions.
> 
> Signed-off-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
> ---
>  drivers/staging/media/imx/imx-media-fim.c | 54 -----------------------
>  1 file changed, 54 deletions(-)
> 
> diff --git a/drivers/staging/media/imx/imx-media-fim.c b/drivers/staging/media/imx/imx-media-fim.c
> index 3a9182933508..19a48eb445fd 100644
> --- a/drivers/staging/media/imx/imx-media-fim.c
> +++ b/drivers/staging/media/imx/imx-media-fim.c
> @@ -187,54 +187,6 @@ static void frame_interval_monitor(struct imx_media_fim *fim,
>  		send_fim_event(fim, error_avg);
>  }
>  
> -#ifdef CONFIG_IMX_GPT_ICAP
> -/*
> - * Input Capture method of measuring frame intervals. Not subject
> - * to interrupt latency.
> - */
> -static void fim_input_capture_handler(int channel, void *dev_id,
> -				      ktime_t timestamp)
> -{
> -	struct imx_media_fim *fim = dev_id;
> -	unsigned long flags;
> -
> -	spin_lock_irqsave(&fim->lock, flags);
> -
> -	frame_interval_monitor(fim, timestamp);
> -
> -	if (!completion_done(&fim->icap_first_event))
> -		complete(&fim->icap_first_event);
> -
> -	spin_unlock_irqrestore(&fim->lock, flags);
> -}
> -
> -static int fim_request_input_capture(struct imx_media_fim *fim)
> -{
> -	init_completion(&fim->icap_first_event);
> -
> -	return mxc_request_input_capture(fim->icap_channel,
> -					 fim_input_capture_handler,
> -					 fim->icap_flags, fim);
> -}
> -
> -static void fim_free_input_capture(struct imx_media_fim *fim)
> -{
> -	mxc_free_input_capture(fim->icap_channel, fim);
> -}
> -
> -#else /* CONFIG_IMX_GPT_ICAP */
> -
> -static int fim_request_input_capture(struct imx_media_fim *fim)
> -{
> -	return 0;
> -}
> -
> -static void fim_free_input_capture(struct imx_media_fim *fim)
> -{
> -}
> -
> -#endif /* CONFIG_IMX_GPT_ICAP */
> -
>  /*
>   * In case we are monitoring the first frame interval after streamon
>   * (when fim->num_skip = 0), we need a valid fim->last_ts before we
> @@ -435,14 +387,8 @@ int imx_media_fim_set_stream(struct imx_media_fim *fim,
>  		spin_unlock_irqrestore(&fim->lock, flags);
>  
>  		if (icap_enabled(fim)) {
> -			ret = fim_request_input_capture(fim);
> -			if (ret)
> -				goto out;
>  			fim_acquire_first_ts(fim);
>  		}

As suggested by the checkpatch.pl:
WARNING: braces {} are not necessary for single statement blocks

> -	} else {
> -		if (icap_enabled(fim))
> -			fim_free_input_capture(fim);
>  	}
>  
>  	fim->stream_on = on;
> -- 
> 2.17.1
> 

Apart of this, patch looks good to me.
Thanks.

Regards,
Tommaso

-- 
Tommaso Merciai
Embedded Linux Engineer
tommaso.merciai@xxxxxxxxxxxxxxxxxxxx
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Amarula Solutions SRL
Via Le Canevare 30, 31100 Treviso, Veneto, IT
T. +39 042 243 5310
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