Hi Steve, I love your patch! Perhaps something to improve: url: https://github.com/0day-ci/linux/commits/Steve-Longerbeam/media-imx-Switch-to-subdev-notifiers/20180630-035625 base: git://linuxtv.org/media_tree.git master New smatch warnings: drivers/media/platform/xilinx/xilinx-vipp.c:97 xvip_graph_build_one() error: '%pOF' expects argument of type 'struct device_node*', argument 3 has type 'struct fwnode_handle*' drivers/media/platform/xilinx/xilinx-vipp.c:335 xvip_graph_notify_bound() error: '%pOF' expects argument of type 'struct device_node*', argument 3 has type 'struct fwnode_handle*' Old smatch warnings: drivers/media/platform/xilinx/xilinx-vipp.c:106 xvip_graph_build_one() error: '%pOF' expects argument of type 'struct device_node*', argument 4 has type 'struct fwnode_handle*' drivers/media/platform/xilinx/xilinx-vipp.c:133 xvip_graph_build_one() error: '%pOF' expects argument of type 'struct device_node*', argument 3 has type 'struct fwnode_handle*' drivers/media/platform/xilinx/xilinx-vipp.c:143 xvip_graph_build_one() error: '%pOF' expects argument of type 'struct device_node*', argument 4 has type 'struct fwnode_handle*' # https://github.com/0day-ci/linux/commit/86ede05d30b3cad4b07c2df915fc83b94d3327f1 git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 86ede05d30b3cad4b07c2df915fc83b94d3327f1 vim +97 drivers/media/platform/xilinx/xilinx-vipp.c df3305156 Laurent Pinchart 2013-05-15 70 df3305156 Laurent Pinchart 2013-05-15 71 static int xvip_graph_build_one(struct xvip_composite_device *xdev, df3305156 Laurent Pinchart 2013-05-15 72 struct xvip_graph_entity *entity) df3305156 Laurent Pinchart 2013-05-15 73 { df3305156 Laurent Pinchart 2013-05-15 74 u32 link_flags = MEDIA_LNK_FL_ENABLED; df3305156 Laurent Pinchart 2013-05-15 75 struct media_entity *local = entity->entity; df3305156 Laurent Pinchart 2013-05-15 76 struct media_entity *remote; df3305156 Laurent Pinchart 2013-05-15 77 struct media_pad *local_pad; df3305156 Laurent Pinchart 2013-05-15 78 struct media_pad *remote_pad; df3305156 Laurent Pinchart 2013-05-15 79 struct xvip_graph_entity *ent; 859969b38 Sakari Ailus 2016-08-26 80 struct v4l2_fwnode_link link; 86ede05d3 Steve Longerbeam 2018-06-29 81 struct fwnode_handle *ep = NULL; df3305156 Laurent Pinchart 2013-05-15 82 int ret = 0; df3305156 Laurent Pinchart 2013-05-15 83 df3305156 Laurent Pinchart 2013-05-15 84 dev_dbg(xdev->dev, "creating links for entity %s\n", local->name); df3305156 Laurent Pinchart 2013-05-15 85 df3305156 Laurent Pinchart 2013-05-15 86 while (1) { df3305156 Laurent Pinchart 2013-05-15 87 /* Get the next endpoint and parse its link. */ 86ede05d3 Steve Longerbeam 2018-06-29 88 ep = fwnode_graph_get_next_endpoint(entity->asd.match.fwnode, 86ede05d3 Steve Longerbeam 2018-06-29 89 ep); ef94711a0 Akinobu Mita 2017-10-12 90 if (ep == NULL) df3305156 Laurent Pinchart 2013-05-15 91 break; df3305156 Laurent Pinchart 2013-05-15 92 68d9c47b1 Rob Herring 2017-07-21 93 dev_dbg(xdev->dev, "processing endpoint %pOF\n", ep); df3305156 Laurent Pinchart 2013-05-15 94 86ede05d3 Steve Longerbeam 2018-06-29 95 ret = v4l2_fwnode_parse_link(ep, &link); df3305156 Laurent Pinchart 2013-05-15 96 if (ret < 0) { 68d9c47b1 Rob Herring 2017-07-21 @97 dev_err(xdev->dev, "failed to parse link for %pOF\n", 68d9c47b1 Rob Herring 2017-07-21 98 ep); df3305156 Laurent Pinchart 2013-05-15 99 continue; df3305156 Laurent Pinchart 2013-05-15 100 } df3305156 Laurent Pinchart 2013-05-15 101 df3305156 Laurent Pinchart 2013-05-15 102 /* Skip sink ports, they will be processed from the other end of df3305156 Laurent Pinchart 2013-05-15 103 * the link. df3305156 Laurent Pinchart 2013-05-15 104 */ df3305156 Laurent Pinchart 2013-05-15 105 if (link.local_port >= local->num_pads) { 68d9c47b1 Rob Herring 2017-07-21 106 dev_err(xdev->dev, "invalid port number %u for %pOF\n", 86ede05d3 Steve Longerbeam 2018-06-29 107 link.local_port, link.local_node); 859969b38 Sakari Ailus 2016-08-26 108 v4l2_fwnode_put_link(&link); df3305156 Laurent Pinchart 2013-05-15 109 ret = -EINVAL; df3305156 Laurent Pinchart 2013-05-15 110 break; df3305156 Laurent Pinchart 2013-05-15 111 } df3305156 Laurent Pinchart 2013-05-15 112 df3305156 Laurent Pinchart 2013-05-15 113 local_pad = &local->pads[link.local_port]; df3305156 Laurent Pinchart 2013-05-15 114 df3305156 Laurent Pinchart 2013-05-15 115 if (local_pad->flags & MEDIA_PAD_FL_SINK) { 68d9c47b1 Rob Herring 2017-07-21 116 dev_dbg(xdev->dev, "skipping sink port %pOF:%u\n", 86ede05d3 Steve Longerbeam 2018-06-29 117 link.local_node, link.local_port); 859969b38 Sakari Ailus 2016-08-26 118 v4l2_fwnode_put_link(&link); df3305156 Laurent Pinchart 2013-05-15 119 continue; df3305156 Laurent Pinchart 2013-05-15 120 } df3305156 Laurent Pinchart 2013-05-15 121 df3305156 Laurent Pinchart 2013-05-15 122 /* Skip DMA engines, they will be processed separately. */ 859969b38 Sakari Ailus 2016-08-26 123 if (link.remote_node == of_fwnode_handle(xdev->dev->of_node)) { 68d9c47b1 Rob Herring 2017-07-21 124 dev_dbg(xdev->dev, "skipping DMA port %pOF:%u\n", 86ede05d3 Steve Longerbeam 2018-06-29 125 link.local_node, link.local_port); 859969b38 Sakari Ailus 2016-08-26 126 v4l2_fwnode_put_link(&link); df3305156 Laurent Pinchart 2013-05-15 127 continue; df3305156 Laurent Pinchart 2013-05-15 128 } df3305156 Laurent Pinchart 2013-05-15 129 df3305156 Laurent Pinchart 2013-05-15 130 /* Find the remote entity. */ 86ede05d3 Steve Longerbeam 2018-06-29 131 ent = xvip_graph_find_entity(xdev, link.remote_node); df3305156 Laurent Pinchart 2013-05-15 132 if (ent == NULL) { 68d9c47b1 Rob Herring 2017-07-21 133 dev_err(xdev->dev, "no entity found for %pOF\n", 86ede05d3 Steve Longerbeam 2018-06-29 134 link.remote_node); 859969b38 Sakari Ailus 2016-08-26 135 v4l2_fwnode_put_link(&link); df3305156 Laurent Pinchart 2013-05-15 136 ret = -ENODEV; df3305156 Laurent Pinchart 2013-05-15 137 break; df3305156 Laurent Pinchart 2013-05-15 138 } df3305156 Laurent Pinchart 2013-05-15 139 df3305156 Laurent Pinchart 2013-05-15 140 remote = ent->entity; df3305156 Laurent Pinchart 2013-05-15 141 df3305156 Laurent Pinchart 2013-05-15 142 if (link.remote_port >= remote->num_pads) { 68d9c47b1 Rob Herring 2017-07-21 143 dev_err(xdev->dev, "invalid port number %u on %pOF\n", 86ede05d3 Steve Longerbeam 2018-06-29 144 link.remote_port, link.remote_node); 859969b38 Sakari Ailus 2016-08-26 145 v4l2_fwnode_put_link(&link); df3305156 Laurent Pinchart 2013-05-15 146 ret = -EINVAL; df3305156 Laurent Pinchart 2013-05-15 147 break; df3305156 Laurent Pinchart 2013-05-15 148 } df3305156 Laurent Pinchart 2013-05-15 149 df3305156 Laurent Pinchart 2013-05-15 150 remote_pad = &remote->pads[link.remote_port]; df3305156 Laurent Pinchart 2013-05-15 151 859969b38 Sakari Ailus 2016-08-26 152 v4l2_fwnode_put_link(&link); df3305156 Laurent Pinchart 2013-05-15 153 df3305156 Laurent Pinchart 2013-05-15 154 /* Create the media link. */ df3305156 Laurent Pinchart 2013-05-15 155 dev_dbg(xdev->dev, "creating %s:%u -> %s:%u link\n", df3305156 Laurent Pinchart 2013-05-15 156 local->name, local_pad->index, df3305156 Laurent Pinchart 2013-05-15 157 remote->name, remote_pad->index); df3305156 Laurent Pinchart 2013-05-15 158 8df00a158 Mauro Carvalho Chehab 2015-08-07 159 ret = media_create_pad_link(local, local_pad->index, df3305156 Laurent Pinchart 2013-05-15 160 remote, remote_pad->index, df3305156 Laurent Pinchart 2013-05-15 161 link_flags); df3305156 Laurent Pinchart 2013-05-15 162 if (ret < 0) { df3305156 Laurent Pinchart 2013-05-15 163 dev_err(xdev->dev, df3305156 Laurent Pinchart 2013-05-15 164 "failed to create %s:%u -> %s:%u link\n", df3305156 Laurent Pinchart 2013-05-15 165 local->name, local_pad->index, df3305156 Laurent Pinchart 2013-05-15 166 remote->name, remote_pad->index); df3305156 Laurent Pinchart 2013-05-15 167 break; df3305156 Laurent Pinchart 2013-05-15 168 } df3305156 Laurent Pinchart 2013-05-15 169 } df3305156 Laurent Pinchart 2013-05-15 170 86ede05d3 Steve Longerbeam 2018-06-29 171 fwnode_handle_put(ep); df3305156 Laurent Pinchart 2013-05-15 172 return ret; df3305156 Laurent Pinchart 2013-05-15 173 } df3305156 Laurent Pinchart 2013-05-15 174 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation