tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.4 head: a321cfdc9afc13deeb29da992f74141226f914c8 commit: 2f4c504ed6acc59c1ffdf0d66ddc7a0df31fd835 [61/216] UPSTREAM: media: staging: rkisp1: add output device for parameters config: nios2-allyesconfig (attached as .config) compiler: nios2-linux-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-4.4 git checkout 2f4c504ed6acc59c1ffdf0d66ddc7a0df31fd835 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the chrome-os/chromeos-4.4 HEAD a321cfdc9afc13deeb29da992f74141226f914c8 builds fine. It only hurts bisectibility. All error/warnings (new ones prefixed by >>): In file included from include/linux/poll.h:5:0, from include/media/v4l2-dev.h:12, from include/media/v4l2-common.h:29, from drivers/staging/media/rkisp1/rkisp1-params.c:8: include/linux/scatterlist.h: In function 'sg_set_buf': arch/nios2/include/asm/page.h:90:33: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] # define pfn_valid(pfn) ((pfn) >= ARCH_PFN_OFFSET && \ ^ include/linux/compiler.h:182:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ include/linux/scatterlist.h:140:2: note: in expansion of macro 'BUG_ON' BUG_ON(!virt_addr_valid(buf)); ^~~~~~ arch/nios2/include/asm/page.h:94:33: note: in expansion of macro 'pfn_valid' # define virt_addr_valid(vaddr) pfn_valid(PFN_DOWN(virt_to_phys(vaddr))) ^~~~~~~~~ include/linux/scatterlist.h:140:10: note: in expansion of macro 'virt_addr_valid' BUG_ON(!virt_addr_valid(buf)); ^~~~~~~~~~~~~~~ In file included from drivers/staging/media/rkisp1/rkisp1-common.h:14:0, from drivers/staging/media/rkisp1/rkisp1-params.c:14: include/linux/clk.h: At top level: include/linux/clk.h:199:70: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration static inline int __must_check clk_bulk_prepare(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h:223:60: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration static inline void clk_bulk_unprepare(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h:528:17: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h:539:15: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h:546:54: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration static inline void clk_bulk_put(int num_clks, struct clk_bulk_data *clks) {} ^~~~~~~~~~~~~ include/linux/clk.h:555:69: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration static inline int __must_check clk_bulk_enable(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h:564:16: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration struct clk_bulk_data *clks) {} ^~~~~~~~~~~~~ include/linux/clk.h:624:13: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h: In function 'clk_bulk_prepare_enable': include/linux/clk.h:628:35: warning: passing argument 2 of 'clk_bulk_prepare' from incompatible pointer type [-Wincompatible-pointer-types] ret = clk_bulk_prepare(num_clks, clks); ^~~~ include/linux/clk.h:199:32: note: expected 'struct clk_bulk_data *' but argument is of type 'struct clk_bulk_data *' static inline int __must_check clk_bulk_prepare(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~~~~ include/linux/clk.h:631:34: warning: passing argument 2 of 'clk_bulk_enable' from incompatible pointer type [-Wincompatible-pointer-types] ret = clk_bulk_enable(num_clks, clks); ^~~~ include/linux/clk.h:555:32: note: expected 'struct clk_bulk_data *' but argument is of type 'struct clk_bulk_data *' static inline int __must_check clk_bulk_enable(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~~~ include/linux/clk.h:633:32: warning: passing argument 2 of 'clk_bulk_unprepare' from incompatible pointer type [-Wincompatible-pointer-types] clk_bulk_unprepare(num_clks, clks); ^~~~ include/linux/clk.h:223:20: note: expected 'struct clk_bulk_data *' but argument is of type 'struct clk_bulk_data *' static inline void clk_bulk_unprepare(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~~~~~~ include/linux/clk.h: At top level: include/linux/clk.h:639:19: warning: 'struct clk_bulk_data' declared inside parameter list will not be visible outside of this definition or declaration struct clk_bulk_data *clks) ^~~~~~~~~~~~~ include/linux/clk.h: In function 'clk_bulk_disable_unprepare': include/linux/clk.h:641:29: warning: passing argument 2 of 'clk_bulk_disable' from incompatible pointer type [-Wincompatible-pointer-types] clk_bulk_disable(num_clks, clks); ^~~~ include/linux/clk.h:563:20: note: expected 'struct clk_bulk_data *' but argument is of type 'struct clk_bulk_data *' static inline void clk_bulk_disable(int num_clks, ^~~~~~~~~~~~~~~~ include/linux/clk.h:642:31: warning: passing argument 2 of 'clk_bulk_unprepare' from incompatible pointer type [-Wincompatible-pointer-types] clk_bulk_unprepare(num_clks, clks); ^~~~ include/linux/clk.h:223:20: note: expected 'struct clk_bulk_data *' but argument is of type 'struct clk_bulk_data *' static inline void clk_bulk_unprepare(int num_clks, struct clk_bulk_data *clks) ^~~~~~~~~~~~~~~~~~ In file included from drivers/staging/media/rkisp1/rkisp1-params.c:14:0: drivers/staging/media/rkisp1/rkisp1-common.h: At top level: drivers/staging/media/rkisp1/rkisp1-common.h:253:23: error: array type has incomplete element type 'struct clk_bulk_data' struct clk_bulk_data clks[RKISP1_MAX_BUS_CLK]; ^~~~ .queue_setup = rkisp1_params_vb2_queue_setup, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-params.c:1528:17: note: (near initialization for 'rkisp1_params_vb2_ops.queue_setup') drivers/staging/media/rkisp1/rkisp1-params.c: In function 'rkisp1_params_register': ret = media_entity_pads_init(&vdev->entity, 1, &node->pad); ^~~~~~~~~~~~~~~~~~~~~~ media_entity_init cc1: some warnings being treated as errors vim +1605 drivers/staging/media/rkisp1/rkisp1-params.c 1526 1527 static struct vb2_ops rkisp1_params_vb2_ops = { 1529 .wait_prepare = vb2_ops_wait_prepare, 1530 .wait_finish = vb2_ops_wait_finish, 1531 .buf_queue = rkisp1_params_vb2_buf_queue, 1532 .buf_prepare = rkisp1_params_vb2_buf_prepare, 1533 .start_streaming = rkisp1_params_vb2_start_streaming, 1534 .stop_streaming = rkisp1_params_vb2_stop_streaming, 1535 1536 }; 1537 1538 static struct v4l2_file_operations rkisp1_params_fops = { 1539 .mmap = vb2_fop_mmap, 1540 .unlocked_ioctl = video_ioctl2, 1541 .poll = vb2_fop_poll, 1542 .open = v4l2_fh_open, 1543 .release = vb2_fop_release 1544 }; 1545 1546 static int rkisp1_params_init_vb2_queue(struct vb2_queue *q, 1547 struct rkisp1_params *params) 1548 { 1549 struct rkisp1_vdev_node *node; 1550 1551 node = container_of(q, struct rkisp1_vdev_node, buf_queue); 1552 1553 q->type = V4L2_BUF_TYPE_META_OUTPUT; 1554 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; 1555 q->drv_priv = params; 1556 q->ops = &rkisp1_params_vb2_ops; 1557 q->mem_ops = &vb2_vmalloc_memops; 1558 q->buf_struct_size = sizeof(struct rkisp1_buffer); 1559 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1560 q->lock = &node->vlock; 1561 1562 return vb2_queue_init(q); 1563 } 1564 1565 static void rkisp1_init_params(struct rkisp1_params *params) 1566 { 1567 params->vdev_fmt.fmt.meta.dataformat = 1568 V4L2_META_FMT_RK_ISP1_PARAMS; 1569 params->vdev_fmt.fmt.meta.buffersize = 1570 sizeof(struct rkisp1_params_cfg); 1571 } 1572 1573 int rkisp1_params_register(struct rkisp1_params *params, 1574 struct v4l2_device *v4l2_dev, 1575 struct rkisp1_device *rkisp1) 1576 { 1577 struct rkisp1_vdev_node *node = &params->vnode; 1578 struct video_device *vdev = &node->vdev; 1579 int ret; 1580 1581 params->rkisp1 = rkisp1; 1582 mutex_init(&node->vlock); 1583 spin_lock_init(&params->config_lock); 1584 1585 strscpy(vdev->name, RKISP1_PARAMS_DEV_NAME, sizeof(vdev->name)); 1586 1587 video_set_drvdata(vdev, params); 1588 vdev->ioctl_ops = &rkisp1_params_ioctl; 1589 vdev->fops = &rkisp1_params_fops; 1590 vdev->release = video_device_release_empty; 1591 /* 1592 * Provide a mutex to v4l2 core. It will be used 1593 * to protect all fops and v4l2 ioctls. 1594 */ 1595 vdev->lock = &node->vlock; 1596 vdev->v4l2_dev = v4l2_dev; 1597 vdev->queue = &node->buf_queue; 1598 vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_META_OUTPUT; 1599 vdev->vfl_dir = VFL_DIR_TX; 1600 rkisp1_params_init_vb2_queue(vdev->queue, params); 1601 rkisp1_init_params(params); 1602 video_set_drvdata(vdev, params); 1603 1604 node->pad.flags = MEDIA_PAD_FL_SOURCE; 1606 if (ret) 1607 goto err_release_queue; 1608 ret = video_register_device(vdev, VFL_TYPE_GRABBER, -1); 1609 if (ret) { 1610 dev_err(&vdev->dev, 1611 "failed to register %s, ret=%d\n", vdev->name, ret); 1612 goto err_cleanup_media_entity; 1613 } 1614 return 0; 1615 err_cleanup_media_entity: 1616 media_entity_cleanup(&vdev->entity); 1617 err_release_queue: 1618 vb2_queue_release(vdev->queue); 1619 return ret; 1620 } 1621 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org