Re: [PATCH v2] media: imx: remove code for non-existing config IMX_GPT_ICAP

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Hi Lukas,

On Wed, Nov 23, 2022 at 08:52:16AM +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>
> ---
> v1: https://lore.kernel.org/all/20221122132330.30408-1-lukas.bulwahn@xxxxxxxxx/
> 
> v1 -> v2:
>   - addressed Tommaso's feedback: remove braces for single statement blocks
> 
>  drivers/staging/media/imx/imx-media-fim.c | 57 +----------------------
>  1 file changed, 1 insertion(+), 56 deletions(-)
> 
> diff --git a/drivers/staging/media/imx/imx-media-fim.c b/drivers/staging/media/imx/imx-media-fim.c
> index 3a9182933508..fb6590dcfc36 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
> @@ -434,15 +386,8 @@ int imx_media_fim_set_stream(struct imx_media_fim *fim,
>  		update_fim_nominal(fim, fi);
>  		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);
> -		}
> -	} else {
>  		if (icap_enabled(fim))
> -			fim_free_input_capture(fim);
> +			fim_acquire_first_ts(fim);
>  	}
>  
>  	fim->stream_on = on;
> -- 
> 2.17.1
> 

Looks good to me.
Reviewed-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>

Thanks & Regards,
Tommaso


-- 
Tommaso Merciai
Embedded Linux Engineer
tommaso.merciai@xxxxxxxxxxxxxxxxxxxx
__________________________________

Amarula Solutions SRL
Via Le Canevare 30, 31100 Treviso, Veneto, IT
T. +39 042 243 5310
info@xxxxxxxxxxxxxxxxxxxx
www.amarulasolutions.com



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