linux-kernel - [PATCH v5 05/49] media: davinci: vpif_display: drop buf

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Message-Id: <1400247235-31434-7-git-send-email-prabhakar.csengg@gmail.com>
Date:	Fri, 16 May 2014 19:03:10 +0530
From:	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:	LMML <linux-media@...r.kernel.org>,
	Hans Verkuil <hans.verkuil@...co.com>
Cc:	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH v5 05/49] media: davinci: vpif_display: drop buf_cleanup() callback

From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>

this patch drops buf_cleanup() callback as this callback
is never called with buffer state active.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
---
 drivers/media/platform/davinci/vpif_display.c |   21 ---------------------
 1 file changed, 21 deletions(-)

diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index 1a17a45..9999b9c 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -167,26 +167,6 @@ static void vpif_buffer_queue(struct vb2_buffer *vb)
 	spin_unlock_irqrestore(&common->irqlock, flags);
 }
 
-/*
- * vpif_buf_cleanup: This function is called from the videobuf2 layer to
- * free memory allocated to the buffers
- */
-static void vpif_buf_cleanup(struct vb2_buffer *vb)
-{
-	struct vpif_disp_buffer *buf = container_of(vb,
-					struct vpif_disp_buffer, vb);
-	struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue);
-	struct common_obj *common;
-	unsigned long flags;
-
-	common = &ch->common[VPIF_VIDEO_INDEX];
-
-	spin_lock_irqsave(&common->irqlock, flags);
-	if (vb->state == VB2_BUF_STATE_ACTIVE)
-		list_del_init(&buf->list);
-	spin_unlock_irqrestore(&common->irqlock, flags);
-}
-
 static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} };
 
 static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
@@ -336,7 +316,6 @@ static struct vb2_ops video_qops = {
 	.buf_prepare		= vpif_buffer_prepare,
 	.start_streaming	= vpif_start_streaming,
 	.stop_streaming		= vpif_stop_streaming,
-	.buf_cleanup		= vpif_buf_cleanup,
 	.buf_queue		= vpif_buffer_queue,
 };
 
-- 
1.7.9.5

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