From: Prabhakar Lad Date: Wed, 26 Nov 2014 22:42:24 +0000 (-0300) Subject: [media] media: s3c-camif: use vb2_ops_wait_prepare/finish helper X-Git-Tag: firefly_0821_release~176^2~795^2~1729 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2914e72681cdb3f310b0a0d570e9ac17b8c37d0c;p=firefly-linux-kernel-4.4.55.git [media] media: s3c-camif: 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 Cc: Sylwester Nawrocki Acked-by: Sylwester Nawrocki Signed-off-by: Kamil Debski Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index aa40c8269ab8..54479d60cc0d 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -536,24 +536,12 @@ static void buffer_queue(struct vb2_buffer *vb) spin_unlock_irqrestore(&camif->slock, flags); } -static void camif_lock(struct vb2_queue *vq) -{ - struct camif_vp *vp = vb2_get_drv_priv(vq); - mutex_lock(&vp->camif->lock); -} - -static void camif_unlock(struct vb2_queue *vq) -{ - struct camif_vp *vp = vb2_get_drv_priv(vq); - mutex_unlock(&vp->camif->lock); -} - static const struct vb2_ops s3c_camif_qops = { .queue_setup = queue_setup, .buf_prepare = buffer_prepare, .buf_queue = buffer_queue, - .wait_prepare = camif_unlock, - .wait_finish = camif_lock, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .start_streaming = start_streaming, .stop_streaming = stop_streaming, }; @@ -1161,6 +1149,7 @@ int s3c_camif_register_video_node(struct camif_dev *camif, int idx) q->buf_struct_size = sizeof(struct camif_buffer); q->drv_priv = vp; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &vp->camif->lock; ret = vb2_queue_init(q); if (ret)