Extern or forward variable declaration at include/dm/device.h, line 22 References: drivers/core/device.c, line 245 drivers/core/lists.c, line 53 drivers/core/lists.c, line 54 drivers/core/lists.c, line 54 drivers/core/lists.c, line 55 drivers/core/lists.c, line 55 drivers/core/lists.c, line 56 drivers/core/root.c, line 28 drivers/core/root.c, line 119 drivers/core/root.c, line 120 drivers/core/root.c, line 120 drivers/core/root.c, line 121 drivers/core/root.c, line 121 drivers/core/root.c, line 122 drivers/usb/eth/asix.c, line 882 drivers/usb/eth/asix.c, line 884 drivers/usb/eth/asix.c, line 886 drivers/usb/eth/asix.c, line 888 drivers/usb/eth/asix.c, line 890 drivers/usb/eth/asix.c, line 892 drivers/usb/eth/asix.c, line 894 drivers/usb/eth/asix.c, line 896 drivers/usb/eth/asix.c, line 898 drivers/usb/eth/asix.c, line 900 drivers/usb/eth/asix.c, line 903 drivers/usb/eth/asix.c, line 904 drivers/usb/eth/asix88179.c, line 908 drivers/usb/eth/asix88179.c, line 909 drivers/usb/eth/asix88179.c, line 910 drivers/usb/eth/asix88179.c, line 911 drivers/usb/eth/asix88179.c, line 912 drivers/usb/eth/asix88179.c, line 913 drivers/usb/eth/asix88179.c, line 914 drivers/usb/host/usb-uclass.c, line 529 include/dm/device.h, line 22 test/dm/core.c, line 59 test/dm/core.c, line 64 test/dm/core.c, line 69