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SubjectRe: [PATCH v2 04/11] media: rkisp1: add Rockchip MIPI Synopsys DPHY driver
Hi Jacob,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on next-20171124]
[cannot apply to rockchip/for-next v4.14]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jacob-Chen/Rockchip-ISP1-Driver/20171126-224713
base: git://linuxtv.org/media_tree.git master
config: blackfin-allmodconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=blackfin

All errors (new ones prefixed by >>):

>> drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c:634:66: error: expected identifier or '(' before '=' token
struct v4l2_async_notifier_operationsrockchip_mipidphy_async_ops = {
^
drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c: In function 'rockchip_mipidphy_media_init':
>> drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c:707:24: error: 'rockchip_mipidphy_async_ops' undeclared (first use in this function)
priv->notifier.ops = &rockchip_mipidphy_async_ops;
^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c:707:24: note: each undeclared identifier is reported only once for each function it appears in
At top level:
drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c:593:1: warning: 'rockchip_mipidphy_notifier_complete' defined but not used [-Wunused-function]
rockchip_mipidphy_notifier_complete(struct v4l2_async_notifier *notifier)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c:579:1: warning: 'rockchip_mipidphy_notifier_unbind' defined but not used [-Wunused-function]
rockchip_mipidphy_notifier_unbind(struct v4l2_async_notifier *notifier,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c:555:1: warning: 'rockchip_mipidphy_notifier_bound' defined but not used [-Wunused-function]
rockchip_mipidphy_notifier_bound(struct v4l2_async_notifier *notifier,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +634 drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c

632
633 static const
> 634 struct v4l2_async_notifier_operationsrockchip_mipidphy_async_ops = {
635 .bound = rockchip_mipidphy_notifier_bound,
636 .unbind = rockchip_mipidphy_notifier_unbind,
637 .complete = rockchip_mipidphy_notifier_complete,
638 };
639
640 static int rockchip_mipidphy_fwnode_parse(struct device *dev,
641 struct v4l2_fwnode_endpoint *vep,
642 struct v4l2_async_subdev *asd)
643 {
644 struct sensor_async_subdev *s_asd =
645 container_of(asd, struct sensor_async_subdev, asd);
646 struct v4l2_mbus_config *config = &s_asd->mbus;
647
648 if (vep->bus_type != V4L2_MBUS_CSI2) {
649 dev_err(dev, "Only CSI2 bus type is currently supported\n");
650 return -EINVAL;
651 }
652
653 if (vep->base.port != 0) {
654 dev_err(dev, "The PHY has only port 0\n");
655 return -EINVAL;
656 }
657
658 config->type = V4L2_MBUS_CSI2;
659 config->flags = vep->bus.mipi_csi2.flags;
660 s_asd->lanes = vep->bus.mipi_csi2.num_data_lanes;
661
662 switch (vep->bus.mipi_csi2.num_data_lanes) {
663 case 1:
664 config->flags |= V4L2_MBUS_CSI2_1_LANE;
665 break;
666 case 2:
667 config->flags |= V4L2_MBUS_CSI2_2_LANE;
668 break;
669 case 3:
670 config->flags |= V4L2_MBUS_CSI2_3_LANE;
671 break;
672 case 4:
673 config->flags |= V4L2_MBUS_CSI2_4_LANE;
674 break;
675 default:
676 return -EINVAL;
677 }
678
679 return 0;
680 }
681
682 static int rockchip_mipidphy_media_init(struct mipidphy_priv *priv)
683 {
684 int ret;
685
686 priv->pads[MIPI_DPHY_SY_PAD_SOURCE].flags =
687 MEDIA_PAD_FL_SOURCE | MEDIA_PAD_FL_MUST_CONNECT;
688 priv->pads[MIPI_DPHY_SY_PAD_SINK].flags =
689 MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_MUST_CONNECT;
690
691 ret = media_entity_pads_init(&priv->sd.entity,
692 MIPI_DPHY_SY_PADS_NUM, priv->pads);
693 if (ret < 0)
694 return ret;
695
696 ret = v4l2_async_notifier_parse_fwnode_endpoints_by_port(
697 priv->dev, &priv->notifier,
698 sizeof(struct sensor_async_subdev), 0,
699 rockchip_mipidphy_fwnode_parse);
700 if (ret < 0)
701 return ret;
702
703 if (!priv->notifier.num_subdevs)
704 return -ENODEV; /* no endpoint */
705
706 priv->sd.subdev_notifier = &priv->notifier;
> 707 priv->notifier.ops = &rockchip_mipidphy_async_ops;
708 ret = v4l2_async_subdev_notifier_register(&priv->sd, &priv->notifier);
709 if (ret) {
710 dev_err(priv->dev,
711 "failed to register async notifier : %d\n", ret);
712 v4l2_async_notifier_cleanup(&priv->notifier);
713 return ret;
714 }
715
716 return v4l2_async_register_subdev(&priv->sd);
717 }
718

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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