virtio_config: remove virtio_config_val

	return test_bit(fbit, vdev->features);

}

/**

 * virtio_config_val - look for a feature and get a virtio config entry.

 * @vdev: the virtio device

 * @fbit: the feature bit

 * @offset: the type to search for.

 * @v: a pointer to the value to fill in.

 *

 * The return value is -ENOENT if the feature doesn't exist.  Otherwise

 * the config value is copied into whatever is pointed to by v. */

#define virtio_config_val(vdev, fbit, offset, v) \

	virtio_config_buf((vdev), (fbit), (offset), (v), sizeof(*v))

#define virtio_config_val_len(vdev, fbit, offset, v, len) \

	virtio_config_buf((vdev), (fbit), (offset), (v), (len))

static inline int virtio_config_buf(struct virtio_device *vdev,

				    unsigned int fbit,

				    unsigned int offset,

				    void *buf, unsigned len)

{

	if (!virtio_has_feature(vdev, fbit))

		return -ENOENT;

	vdev->config->get(vdev, offset, buf, len);

	return 0;

}

static inline

struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev,

					vq_callback_t *c, const char *n)