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From: Helen Koike <helen.koike@collabora.com>
To: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>,
	linux-media@vger.kernel.org
Cc: laurent.pinchart@ideasonboard.com, ezequiel@collabora.com,
	hverkuil@xs4all.nl, kernel@collabora.com, dafna3@gmail.com,
	sakari.ailus@linux.intel.com, linux-rockchip@lists.infradead.org,
	mchehab@kernel.org, tfiga@chromium.org
Subject: Re: [PATCH 2/6] media: staging: rkisp1: params: in stop_streaming, use list_splice_init to move the buffers
Date: Wed, 14 Oct 2020 17:27:43 -0300	[thread overview]
Message-ID: <e32bfefb-7b0c-669c-32da-8b407216d936@collabora.com> (raw)
In-Reply-To: <20201002184222.7094-3-dafna.hirschfeld@collabora.com>



On 10/2/20 3:42 PM, Dafna Hirschfeld wrote:
> Currently the code uses 'list_cut_position' to move the
> buffers to a temporary list. Replace it with
> 'list_splice_init'. This is nicer since we don't need
> to access params.prev. Also, replace INIT_LIST_HEAD
> with the simpler LIST_HEAD.
> 
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>

Acked-by: Helen Koike <helen.koike@collabora.com>

Thanks
Helen

> ---
>  drivers/staging/media/rkisp1/rkisp1-params.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/media/rkisp1/rkisp1-params.c b/drivers/staging/media/rkisp1/rkisp1-params.c
> index 986d293201e6..cb9f3332a9a0 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-params.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-params.c
> @@ -1462,9 +1462,7 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq)
>  {
>  	struct rkisp1_params *params = vq->drv_priv;
>  	struct rkisp1_buffer *buf;
> -	struct list_head tmp_list;
> -
> -	INIT_LIST_HEAD(&tmp_list);
> +	LIST_HEAD(tmp_list);
>  
>  	/*
>  	 * we first move the buffers into a local list 'tmp_list'
> @@ -1473,7 +1471,7 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq)
>  	 */
>  	spin_lock_irq(&params->config_lock);
>  	params->is_streaming = false;
> -	list_cut_position(&tmp_list, &params->params, params->params.prev);
> +	list_splice_init(&params->params, &tmp_list);
>  	spin_unlock_irq(&params->config_lock);
>  
>  	list_for_each_entry(buf, &tmp_list, queue)
> 

WARNING: multiple messages have this Message-ID (diff)
From: Helen Koike <helen.koike@collabora.com>
To: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>,
	linux-media@vger.kernel.org
Cc: mchehab@kernel.org, dafna3@gmail.com, tfiga@chromium.org,
	hverkuil@xs4all.nl, linux-rockchip@lists.infradead.org,
	laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com,
	kernel@collabora.com, ezequiel@collabora.com
Subject: Re: [PATCH 2/6] media: staging: rkisp1: params: in stop_streaming, use list_splice_init to move the buffers
Date: Wed, 14 Oct 2020 17:27:43 -0300	[thread overview]
Message-ID: <e32bfefb-7b0c-669c-32da-8b407216d936@collabora.com> (raw)
In-Reply-To: <20201002184222.7094-3-dafna.hirschfeld@collabora.com>



On 10/2/20 3:42 PM, Dafna Hirschfeld wrote:
> Currently the code uses 'list_cut_position' to move the
> buffers to a temporary list. Replace it with
> 'list_splice_init'. This is nicer since we don't need
> to access params.prev. Also, replace INIT_LIST_HEAD
> with the simpler LIST_HEAD.
> 
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>

Acked-by: Helen Koike <helen.koike@collabora.com>

Thanks
Helen

> ---
>  drivers/staging/media/rkisp1/rkisp1-params.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/staging/media/rkisp1/rkisp1-params.c b/drivers/staging/media/rkisp1/rkisp1-params.c
> index 986d293201e6..cb9f3332a9a0 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-params.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-params.c
> @@ -1462,9 +1462,7 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq)
>  {
>  	struct rkisp1_params *params = vq->drv_priv;
>  	struct rkisp1_buffer *buf;
> -	struct list_head tmp_list;
> -
> -	INIT_LIST_HEAD(&tmp_list);
> +	LIST_HEAD(tmp_list);
>  
>  	/*
>  	 * we first move the buffers into a local list 'tmp_list'
> @@ -1473,7 +1471,7 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq)
>  	 */
>  	spin_lock_irq(&params->config_lock);
>  	params->is_streaming = false;
> -	list_cut_position(&tmp_list, &params->params, params->params.prev);
> +	list_splice_init(&params->params, &tmp_list);
>  	spin_unlock_irq(&params->config_lock);
>  
>  	list_for_each_entry(buf, &tmp_list, queue)
> 

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  reply	other threads:[~2020-10-14 20:27 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-02 18:42 [PATCH 0/6] media: staging: rkisp1: improvements Dafna Hirschfeld
2020-10-02 18:42 ` Dafna Hirschfeld
2020-10-02 18:42 ` [PATCH 1/6] media: staging: rkisp1: validate links before powering and streaming Dafna Hirschfeld
2020-10-02 18:42   ` Dafna Hirschfeld
2020-10-02 18:42 ` [PATCH 2/6] media: staging: rkisp1: params: in stop_streaming, use list_splice_init to move the buffers Dafna Hirschfeld
2020-10-02 18:42   ` Dafna Hirschfeld
2020-10-14 20:27   ` Helen Koike [this message]
2020-10-14 20:27     ` Helen Koike
2020-10-02 18:42 ` [PATCH 3/6] media: staging: rkisp1: initialize buffer lists only on probe Dafna Hirschfeld
2020-10-02 18:42   ` Dafna Hirschfeld
2020-10-14 20:27   ` Helen Koike
2020-10-14 20:27     ` Helen Koike
2020-10-02 18:42 ` [PATCH 4/6] media: staging: rkisp1: remove the 'is_streaming' field from stats and params Dafna Hirschfeld
2020-10-02 18:42   ` Dafna Hirschfeld
2020-10-14 20:27   ` Helen Koike
2020-10-14 20:27     ` Helen Koike
2020-10-02 18:42 ` [PATCH 5/6] media: staging: rkisp1: params: add '__must_hold' to rkisp1_params_apply_params_cfg Dafna Hirschfeld
2020-10-02 18:42   ` Dafna Hirschfeld
2020-10-14 20:27   ` Helen Koike
2020-10-14 20:27     ` Helen Koike
2020-10-02 18:42 ` [PATCH 6/6] media: staging: rkisp1: cap: add warning when link validation fails Dafna Hirschfeld
2020-10-02 18:42   ` Dafna Hirschfeld
2020-10-02 19:26   ` Laurent Pinchart
2020-10-02 19:26     ` Laurent Pinchart

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