Extern or forward variable declaration at include/linux/usb/ch9.h, line 47 References: drivers/gpu/drm/tiny/gm12u320.c, line 86 drivers/hid/wacom_sys.c, line 1033 drivers/hid/wacom_sys.c, line 1056 drivers/hid/wacom_sys.c, line 1061 drivers/hid/wacom_sys.c, line 1097 drivers/hid/wacom_sys.c, line 1106 drivers/hid/wacom_sys.c, line 1120 drivers/hid/wacom_sys.c, line 1150 drivers/hid/wacom_sys.c, line 1226 drivers/hid/wacom_sys.c, line 1270 drivers/hid/wacom_sys.c, line 1360 drivers/hid/wacom_sys.c, line 1421 drivers/hid/wacom_sys.c, line 1531 drivers/hid/wacom_sys.c, line 1553 drivers/hid/wacom_sys.c, line 1761 drivers/hid/wacom_sys.c, line 1818 drivers/hid/wacom_sys.c, line 1828 drivers/hid/wacom_sys.c, line 1855 drivers/hid/wacom_sys.c, line 1939 drivers/hid/wacom_sys.c, line 2561 drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c, line 665 drivers/media/rc/iguanair.c, line 22 drivers/media/rc/streamzap.c, line 65 drivers/media/rc/streamzap.c, line 229 drivers/media/usb/uvc/uvc_video.c, line 1141 drivers/media/usb/uvc/uvc_video.c, line 1625 drivers/media/usb/uvc/uvc_video.c, line 1646 drivers/net/usb/catc.c, line 768 drivers/net/wireless/marvell/mwifiex/sdio.c, line 505 drivers/net/wireless/marvell/mwifiex/sdio.c, line 530 drivers/net/wireless/marvell/mwifiex/sdio.c, line 605 drivers/net/wireless/marvell/mwifiex/sdio.c, line 850 drivers/net/wireless/marvell/mwifiex/sdio.c, line 907 drivers/net/wireless/mediatek/mt76/mac80211.c, line 531 drivers/net/wireless/mediatek/mt76/mt76.h, line 721 drivers/net/wireless/mediatek/mt76/mt76.h, line 722 drivers/net/wireless/mediatek/mt76/mt76.h, line 938 drivers/net/wireless/mediatek/mt76/mt7915/init.c, line 45 drivers/net/wireless/mediatek/mt76/mt7915/init.c, line 71 drivers/net/wireless/mediatek/mt76/mt7915/init.c, line 176 drivers/net/wireless/mediatek/mt76/mt7915/init.c, line 184 drivers/net/wireless/mediatek/mt76/mt7915/mmio.c, line 643 drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h, line 222 drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h, line 436 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 892 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 942 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 1575 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 1609 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 1803 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 1936 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 2071 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 3117 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 3332 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 3701 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 3885 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 4564 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 4834 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 4885 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 4957 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5030 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5557 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5728 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5769 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5825 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5915 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 5964 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 6082 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 6156 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 6365 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 6529 drivers/usb/core/driver.c, line 249 drivers/usb/core/driver.c, line 303 drivers/usb/core/driver.c, line 318 drivers/usb/core/driver.c, line 428 drivers/usb/core/driver.c, line 538 drivers/usb/core/driver.c, line 612 drivers/usb/core/driver.c, line 855 drivers/usb/core/driver.c, line 902 drivers/usb/core/driver.c, line 943 drivers/usb/core/driver.c, line 1561 drivers/usb/core/driver.c, line 1584 drivers/usb/core/driver.c, line 1597 drivers/usb/core/driver.c, line 1940 drivers/usb/core/driver.c, line 1969 drivers/usb/core/driver.c, line 1981 drivers/usb/dwc3/core.c, line 52 drivers/usb/dwc3/core.c, line 943 drivers/usb/dwc3/core.c, line 1256 drivers/usb/dwc3/core.c, line 1307 drivers/usb/dwc3/core.c, line 1372 drivers/usb/dwc3/core.c, line 1532 drivers/usb/dwc3/core.c, line 1633 drivers/usb/dwc3/core.c, line 1673 drivers/usb/dwc3/core.c, line 2072 drivers/usb/dwc3/core.c, line 2089 drivers/usb/dwc3/core.c, line 2115 drivers/usb/dwc3/core.c, line 2138 drivers/usb/dwc3/core.c, line 2152 drivers/usb/dwc3/core.c, line 2170 drivers/usb/dwc3/core.h, line 1132 drivers/usb/dwc3/core.h, line 1133 drivers/usb/gadget/function/f_mass_storage.c, line 2603 drivers/usb/gadget/function/f_mass_storage.c, line 2610 drivers/usb/gadget/function/f_mass_storage.c, line 2618 drivers/usb/gadget/function/f_mass_storage.c, line 2627 drivers/usb/gadget/function/f_mass_storage.c, line 2636 drivers/usb/gadget/function/f_mass_storage.c, line 2644 drivers/usb/gadget/function/f_mass_storage.c, line 2660 drivers/usb/gadget/function/f_mass_storage.c, line 2816 drivers/usb/gadget/udc/core.c, line 47 drivers/usb/gadget/udc/core.c, line 823 drivers/usb/gadget/udc/core.c, line 871 drivers/usb/gadget/udc/core.c, line 1228 drivers/usb/gadget/udc/core.c, line 1239 drivers/usb/gadget/udc/core.c, line 1251 drivers/usb/gadget/udc/core.c, line 1252 drivers/usb/gadget/udc/core.c, line 1351 drivers/usb/gadget/udc/core.c, line 1352 drivers/usb/gadget/udc/core.c, line 1402 drivers/usb/gadget/udc/core.c, line 1451 drivers/usb/gadget/udc/core.c, line 1471 drivers/usb/gadget/udc/core.c, line 1522 drivers/usb/gadget/udc/core.c, line 1597 drivers/usb/gadget/udc/core.c, line 1609 drivers/usb/gadget/udc/core.c, line 1641 drivers/usb/gadget/udc/core.c, line 1651 drivers/usb/gadget/udc/core.c, line 1664 drivers/usb/gadget/udc/core.c, line 1677 drivers/usb/gadget/udc/core.c, line 1720 drivers/usb/gadget/udc/tegra-xudc.c, line 445 drivers/usb/gadget/udc/tegra-xudc.c, line 467 drivers/usb/gadget/udc/tegra-xudc.c, line 468 drivers/usb/gadget/udc/tegra-xudc.c, line 3690 drivers/usb/gadget/udc/tegra-xudc.c, line 3966 drivers/usb/gadget/udc/tegra-xudc.c, line 3988 drivers/usb/gadget/udc/tegra-xudc.c, line 4009 drivers/usb/gadget/udc/tegra-xudc.c, line 4016 drivers/usb/host/ohci-platform.c, line 271 drivers/usb/host/ohci-platform.c, line 289 drivers/usb/host/xhci-mtk.c, line 134 drivers/usb/host/xhci-mtk.c, line 414 drivers/usb/host/xhci-mtk.c, line 481 drivers/usb/host/xhci-mtk.c, line 668 drivers/usb/host/xhci-mtk.c, line 691 drivers/usb/host/xhci-mtk.c, line 721 drivers/usb/host/xhci-mtk.c, line 751 drivers/usb/host/xhci-mtk.c, line 767 drivers/usb/host/xhci-tegra.c, line 221 drivers/usb/host/xhci-tegra.c, line 253 drivers/usb/host/xhci-tegra.c, line 254 drivers/usb/host/xhci-tegra.c, line 527 drivers/usb/host/xhci-tegra.c, line 889 drivers/usb/host/xhci-tegra.c, line 995 drivers/usb/host/xhci-tegra.c, line 1007 drivers/usb/host/xhci-tegra.c, line 1033 drivers/usb/host/xhci-tegra.c, line 1073 drivers/usb/host/xhci-tegra.c, line 1809 drivers/usb/host/xhci-tegra.c, line 1978 drivers/usb/host/xhci-tegra.c, line 2038 drivers/usb/host/xhci-tegra.c, line 2121 drivers/usb/host/xhci-tegra.c, line 2163 drivers/usb/host/xhci-tegra.c, line 2194 drivers/usb/host/xhci-tegra.c, line 2207 drivers/usb/host/xhci-tegra.c, line 2426 drivers/usb/host/xhci.c, line 228 drivers/usb/host/xhci.c, line 5289 drivers/usb/serial/mos7720.c, line 610 drivers/usb/serial/mos7720.c, line 695 drivers/usb/serial/option.c, line 2288 drivers/usb/typec/tcpm/tcpm.c, line 298 drivers/usb/typec/tcpm/tcpm.c, line 6310 include/linux/usb.h, line 257 include/linux/usb.h, line 258 include/linux/usb.h, line 425 include/linux/usb.h, line 426 include/linux/usb.h, line 645 include/linux/usb.h, line 744 include/linux/usb.h, line 1271 sound/usb/mixer_quirks.c, line 3033 sound/usb/mixer_quirks.c, line 3038 sound/usb/mixer_quirks.c, line 3041 sound/usb/mixer_quirks.c, line 3063 sound/usb/mixer_quirks.c, line 3065 sound/usb/mixer_quirks.c, line 3065 sound/usb/mixer_quirks.c, line 3076 sound/usb/mixer_quirks.c, line 3077 sound/usb/mixer_quirks.c, line 3097 sound/usb/mixer_quirks.c, line 3101 sound/usb/mixer_quirks.c, line 3105 sound/usb/mixer_quirks.c, line 3111 sound/usb/mixer_quirks.c, line 3115 sound/usb/mixer_quirks.c, line 3124 sound/usb/mixer_quirks.c, line 3135 sound/usb/mixer_quirks.c, line 3136 sound/usb/mixer_quirks.c, line 3137 sound/usb/pcm.c, line 1696