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Message-ID: <20221122160937.GB39395@tom-ThinkPad-T14s-Gen-2i>
Date: Tue, 22 Nov 2022 17:09:37 +0100
From: Tommaso Merciai <tommaso.merciai@...rulasolutions.com>
To: Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc: Steve Longerbeam <slongerbeam@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: imx: remove code for non-existing config
IMX_GPT_ICAP
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@...il.com>
> ---
> 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@...rulasolutions.com
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