From: kernel test robot <lkp@intel.com>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>
Subject: [linux-next:master 3871/8213] drivers/gpu/drm/bridge/aux-bridge.c:63: undefined reference to `auxiliary_device_init'
Date: Mon, 18 Dec 2023 12:10:11 +0800 [thread overview]
Message-ID: <202312181205.Yx4PmXXe-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 17cb8a20bde66a520a2ca7aad1063e1ce7382240
commit: c5d296bad640b190c52ef7508114d70e971a4bba [3871/8213] usb: typec: nb7vpq904m: switch to DRM_AUX_BRIDGE
config: x86_64-randconfig-161-20231218 (https://download.01.org/0day-ci/archive/20231218/202312181205.Yx4PmXXe-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231218/202312181205.Yx4PmXXe-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312181205.Yx4PmXXe-lkp@intel.com/
Note: the linux-next/master HEAD 17cb8a20bde66a520a2ca7aad1063e1ce7382240 builds fine.
It may have been fixed somewhere.
All errors (new ones prefixed by >>):
ld: drivers/gpu/drm/bridge/aux-bridge.o: in function `drm_aux_bridge_register':
>> drivers/gpu/drm/bridge/aux-bridge.c:63: undefined reference to `auxiliary_device_init'
>> ld: drivers/gpu/drm/bridge/aux-bridge.c:70: undefined reference to `__auxiliary_device_add'
ld: drivers/gpu/drm/bridge/aux-bridge.o: in function `drm_aux_bridge_drv_init':
>> drivers/gpu/drm/bridge/aux-bridge.c:136: undefined reference to `__auxiliary_driver_register'
ld: drivers/gpu/drm/bridge/aux-bridge.o: in function `drm_aux_bridge_drv_exit':
>> drivers/gpu/drm/bridge/aux-bridge.c:136: undefined reference to `auxiliary_driver_unregister'
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for DRM_AUX_BRIDGE
Depends on [n]: HAS_IOMEM [=y] && DRM_BRIDGE [=y] && OF [=n]
Selected by [y]:
- TYPEC_MUX_NB7VPQ904M [=y] && USB_SUPPORT [=y] && TYPEC [=y] && I2C [=y] && (DRM [=y] || DRM [=y]=n) && DRM_BRIDGE [=y]
vim +63 drivers/gpu/drm/bridge/aux-bridge.c
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 31
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 32 /**
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 33 * drm_aux_bridge_register - Create a simple bridge device to link the chain
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 34 * @parent: device instance providing this bridge
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 35 *
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 36 * Creates a simple DRM bridge that doesn't implement any drm_bridge
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 37 * operations. Such bridges merely fill a place in the bridge chain linking
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 38 * surrounding DRM bridges.
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 39 *
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 40 * Return: zero on success, negative error code on failure
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 41 */
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 42 int drm_aux_bridge_register(struct device *parent)
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 43 {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 44 struct auxiliary_device *adev;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 45 int ret;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 46
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 47 adev = kzalloc(sizeof(*adev), GFP_KERNEL);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 48 if (!adev)
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 49 return -ENOMEM;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 50
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 51 ret = ida_alloc(&drm_aux_bridge_ida, GFP_KERNEL);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 52 if (ret < 0) {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 53 kfree(adev);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 54 return ret;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 55 }
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 56
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 57 adev->id = ret;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 58 adev->name = "aux_bridge";
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 59 adev->dev.parent = parent;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 60 adev->dev.of_node = parent->of_node;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 61 adev->dev.release = drm_aux_bridge_release;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 62
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 @63 ret = auxiliary_device_init(adev);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 64 if (ret) {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 65 ida_free(&drm_aux_bridge_ida, adev->id);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 66 kfree(adev);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 67 return ret;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 68 }
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 69
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 @70 ret = auxiliary_device_add(adev);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 71 if (ret) {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 72 auxiliary_device_uninit(adev);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 73 return ret;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 74 }
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 75
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 76 return devm_add_action_or_reset(parent, drm_aux_bridge_unregister_adev, adev);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 77 }
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 78 EXPORT_SYMBOL_GPL(drm_aux_bridge_register);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 79
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 80 struct drm_aux_bridge_data {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 81 struct drm_bridge bridge;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 82 struct drm_bridge *next_bridge;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 83 struct device *dev;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 84 };
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 85
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 86 static int drm_aux_bridge_attach(struct drm_bridge *bridge,
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 87 enum drm_bridge_attach_flags flags)
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 88 {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 89 struct drm_aux_bridge_data *data;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 90
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 91 if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 92 return -EINVAL;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 93
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 94 data = container_of(bridge, struct drm_aux_bridge_data, bridge);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 95
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 96 return drm_bridge_attach(bridge->encoder, data->next_bridge, bridge,
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 97 DRM_BRIDGE_ATTACH_NO_CONNECTOR);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 98 }
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 99
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 100 static const struct drm_bridge_funcs drm_aux_bridge_funcs = {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 101 .attach = drm_aux_bridge_attach,
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 102 };
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 103
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 104 static int drm_aux_bridge_probe(struct auxiliary_device *auxdev,
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 105 const struct auxiliary_device_id *id)
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 106 {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 107 struct drm_aux_bridge_data *data;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 108
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 109 data = devm_kzalloc(&auxdev->dev, sizeof(*data), GFP_KERNEL);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 110 if (!data)
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 111 return -ENOMEM;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 112
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 113 data->dev = &auxdev->dev;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 114 data->next_bridge = devm_drm_of_get_bridge(&auxdev->dev, auxdev->dev.of_node, 0, 0);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 115 if (IS_ERR(data->next_bridge))
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 116 return dev_err_probe(&auxdev->dev, PTR_ERR(data->next_bridge),
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 117 "failed to acquire drm_bridge\n");
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 118
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 119 data->bridge.funcs = &drm_aux_bridge_funcs;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 120 data->bridge.of_node = data->dev->of_node;
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 121
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 122 return devm_drm_bridge_add(data->dev, &data->bridge);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 123 }
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 124
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 125 static const struct auxiliary_device_id drm_aux_bridge_table[] = {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 126 { .name = KBUILD_MODNAME ".aux_bridge" },
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 127 {},
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 128 };
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 129 MODULE_DEVICE_TABLE(auxiliary, drm_aux_bridge_table);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 130
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 131 static struct auxiliary_driver drm_aux_bridge_drv = {
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 132 .name = "aux_bridge",
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 133 .id_table = drm_aux_bridge_table,
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 134 .probe = drm_aux_bridge_probe,
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 135 };
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 @136 module_auxiliary_driver(drm_aux_bridge_drv);
2a04739139b2b2 Dmitry Baryshkov 2023-12-03 137
:::::: The code at line 63 was first introduced by commit
:::::: 2a04739139b2b2761571e18937e2400e71eff664 drm/bridge: add transparent bridge helper
:::::: TO: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
:::::: CC: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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