diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/kprobes/kprobe_example.c | 9 | ||||
| -rw-r--r-- | samples/v4l/v4l2-pci-skeleton.c | 17 |
2 files changed, 12 insertions, 14 deletions
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c index ed0ca0c07242..f3b61b4ee09c 100644 --- a/samples/kprobes/kprobe_example.c +++ b/samples/kprobes/kprobe_example.c @@ -46,6 +46,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs) " ex1 = 0x%lx\n", p->symbol_name, p->addr, regs->pc, regs->ex1); #endif +#ifdef CONFIG_ARM64 + pr_info("<%s> pre_handler: p->addr = 0x%p, pc = 0x%lx," + " pstate = 0x%lx\n", + p->symbol_name, p->addr, (long)regs->pc, (long)regs->pstate); +#endif /* A dump_stack() here will give a stack backtrace */ return 0; @@ -71,6 +76,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs, printk(KERN_INFO "<%s> post_handler: p->addr = 0x%p, ex1 = 0x%lx\n", p->symbol_name, p->addr, regs->ex1); #endif +#ifdef CONFIG_ARM64 + pr_info("<%s> post_handler: p->addr = 0x%p, pstate = 0x%lx\n", + p->symbol_name, p->addr, (long)regs->pstate); +#endif } /* diff --git a/samples/v4l/v4l2-pci-skeleton.c b/samples/v4l/v4l2-pci-skeleton.c index a55cf94ac907..93b76c3220fd 100644 --- a/samples/v4l/v4l2-pci-skeleton.c +++ b/samples/v4l/v4l2-pci-skeleton.c @@ -56,7 +56,6 @@ MODULE_LICENSE("GPL v2"); * @format: current pix format * @input: current video input (0 = SDTV, 1 = HDTV) * @queue: vb2 video capture queue - * @alloc_ctx: vb2 contiguous DMA context * @qlock: spinlock controlling access to buf_list and sequence * @buf_list: list of buffers queued for DMA * @sequence: frame sequence counter @@ -73,7 +72,6 @@ struct skeleton { unsigned input; struct vb2_queue queue; - struct vb2_alloc_ctx *alloc_ctx; spinlock_t qlock; struct list_head buf_list; @@ -165,7 +163,7 @@ static irqreturn_t skeleton_irq(int irq, void *dev_id) */ static int queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, - unsigned int sizes[], void *alloc_ctxs[]) + unsigned int sizes[], struct device *alloc_devs[]) { struct skeleton *skel = vb2_get_drv_priv(vq); @@ -182,7 +180,6 @@ static int queue_setup(struct vb2_queue *vq, if (vq->num_buffers + *nbuffers < 3) *nbuffers = 3 - vq->num_buffers; - alloc_ctxs[0] = skel->alloc_ctx; if (*nplanes) return sizes[0] < skel->format.sizeimage ? -EINVAL : 0; @@ -820,6 +817,7 @@ static int skeleton_probe(struct pci_dev *pdev, const struct pci_device_id *ent) q = &skel->queue; q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; q->io_modes = VB2_MMAP | VB2_DMABUF | VB2_READ; + q->dev = &pdev->dev; q->drv_priv = skel; q->buf_struct_size = sizeof(struct skel_buffer); q->ops = &skel_qops; @@ -850,12 +848,6 @@ static int skeleton_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) goto free_hdl; - skel->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); - if (IS_ERR(skel->alloc_ctx)) { - dev_err(&pdev->dev, "Can't allocate buffer context"); - ret = PTR_ERR(skel->alloc_ctx); - goto free_hdl; - } INIT_LIST_HEAD(&skel->buf_list); spin_lock_init(&skel->qlock); @@ -885,13 +877,11 @@ static int skeleton_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1); if (ret) - goto free_ctx; + goto free_hdl; dev_info(&pdev->dev, "V4L2 PCI Skeleton Driver loaded\n"); return 0; -free_ctx: - vb2_dma_contig_cleanup_ctx(skel->alloc_ctx); free_hdl: v4l2_ctrl_handler_free(&skel->ctrl_handler); v4l2_device_unregister(&skel->v4l2_dev); @@ -907,7 +897,6 @@ static void skeleton_remove(struct pci_dev *pdev) video_unregister_device(&skel->vdev); v4l2_ctrl_handler_free(&skel->ctrl_handler); - vb2_dma_contig_cleanup_ctx(skel->alloc_ctx); v4l2_device_unregister(&skel->v4l2_dev); pci_disable_device(skel->pdev); } |