From 0e2f511894ceca86d2cc006a363a1be0b17ca359 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 16 Dec 2015 08:34:37 -0200 Subject: [PATCH] [media] sur40: set q->dev instead of allocating a context Stop using alloc_ctx and just fill in the device pointer. Signed-off-by: Hans Verkuil Cc: Florian Echtler Signed-off-by: Mauro Carvalho Chehab --- drivers/input/touchscreen/sur40.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index 880c40b23f66..cc4bd3e53b58 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -151,7 +151,6 @@ struct sur40_state { struct mutex lock; struct vb2_queue queue; - struct vb2_alloc_ctx *alloc_ctx; struct list_head buf_list; spinlock_t qlock; int sequence; @@ -580,19 +579,13 @@ static int sur40_probe(struct usb_interface *interface, sur40->queue = sur40_queue; sur40->queue.drv_priv = sur40; sur40->queue.lock = &sur40->lock; + sur40->queue.dev = sur40->dev; /* initialize the queue */ error = vb2_queue_init(&sur40->queue); if (error) goto err_unreg_v4l2; - sur40->alloc_ctx = vb2_dma_sg_init_ctx(sur40->dev); - if (IS_ERR(sur40->alloc_ctx)) { - dev_err(sur40->dev, "Can't allocate buffer context"); - error = PTR_ERR(sur40->alloc_ctx); - goto err_unreg_v4l2; - } - sur40->vdev = sur40_video_device; sur40->vdev.v4l2_dev = &sur40->v4l2; sur40->vdev.lock = &sur40->lock; @@ -633,7 +626,6 @@ static void sur40_disconnect(struct usb_interface *interface) video_unregister_device(&sur40->vdev); v4l2_device_unregister(&sur40->v4l2); - vb2_dma_sg_cleanup_ctx(sur40->alloc_ctx); input_unregister_polled_device(sur40->input); input_free_polled_device(sur40->input); @@ -655,11 +647,8 @@ static int sur40_queue_setup(struct vb2_queue *q, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - struct sur40_state *sur40 = vb2_get_drv_priv(q); - if (q->num_buffers + *nbuffers < 3) *nbuffers = 3 - q->num_buffers; - alloc_ctxs[0] = sur40->alloc_ctx; if (*nplanes) return sizes[0] < sur40_video_format.sizeimage ? -EINVAL : 0; -- 2.20.1