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[media] sur40: set q->dev instead of allocating a context

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Stop using alloc_ctx and just fill in the device pointer.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Florian Echtler <floe@butterbrot.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2015-12-16 08:34:37 -02:00 committed by Mauro Carvalho Chehab
parent 8f10c2db77
commit 0e2f511894
1 changed files with 1 additions and 12 deletions
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13
drivers/input/touchscreen/sur40.c
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@ -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;