From 4d655ca4d0b8c2b9918952c8ede392da7fa1c2e5 Mon Sep 17 00:00:00 2001 From: Prabhakar Lad Date: Wed, 26 Nov 2014 19:42:31 -0300 Subject: [PATCH] [media] media: blackfin: use vb2_ops_wait_prepare/finish helper This patch drops driver specific wait_prepare() and wait_finish() callbacks from vb2_ops and instead uses the the helpers vb2_ops_wait_prepare/finish() provided by the vb2 core, the lock member of the queue needs to be initalized to a mutex so that vb2 helpers vb2_ops_wait_prepare/finish() can make use of it. Signed-off-by: Lad, Prabhakar Acked-by: Scott Jiang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/blackfin/bfin_capture.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c index 431c33d..3112844 100644 --- a/drivers/media/platform/blackfin/bfin_capture.c +++ b/drivers/media/platform/blackfin/bfin_capture.c @@ -349,18 +349,6 @@ static void bcap_buffer_cleanup(struct vb2_buffer *vb) spin_unlock_irqrestore(&bcap_dev->lock, flags); } -static void bcap_lock(struct vb2_queue *vq) -{ - struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); - mutex_lock(&bcap_dev->mutex); -} - -static void bcap_unlock(struct vb2_queue *vq) -{ - struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); - mutex_unlock(&bcap_dev->mutex); -} - static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count) { struct bcap_device *bcap_dev = vb2_get_drv_priv(vq); @@ -457,8 +445,8 @@ static struct vb2_ops bcap_video_qops = { .buf_prepare = bcap_buffer_prepare, .buf_cleanup = bcap_buffer_cleanup, .buf_queue = bcap_buffer_queue, - .wait_prepare = bcap_unlock, - .wait_finish = bcap_lock, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .start_streaming = bcap_start_streaming, .stop_streaming = bcap_stop_streaming, }; @@ -996,6 +984,7 @@ static int bcap_probe(struct platform_device *pdev) q->ops = &bcap_video_qops; q->mem_ops = &vb2_dma_contig_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &bcap_dev->mutex; ret = vb2_queue_init(q); if (ret) -- 2.7.4