[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 <hans.verkuil@cisco.com>
Cc: Florian Echtler <floe@butterbrot.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index 880c40b..cc4bd3e 100644 (file)
--- 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;