Extern or forward variable declaration at include/linux/usb.h, line 27 References: drivers/bluetooth/ath3k.c, line 527 drivers/bluetooth/bcm203x.c, line 252 drivers/bluetooth/bfusb.c, line 28 drivers/bluetooth/bfusb.c, line 708 drivers/bluetooth/btusb.c, line 36 drivers/bluetooth/btusb.c, line 5024 drivers/char/xillybus/xillyusb.c, line 2231 drivers/comedi/comedi_usb.c, line 103 drivers/comedi/comedi_usb.c, line 103 drivers/comedi/comedi_usb.c, line 111 drivers/comedi/comedi_usb.c, line 131 drivers/comedi/comedi_usb.c, line 131 drivers/comedi/comedi_usb.c, line 133 drivers/comedi/comedi_usb.h, line 24 drivers/comedi/comedi_usb.h, line 24 drivers/comedi/comedi_usb.h, line 26 drivers/comedi/comedi_usb.h, line 26 drivers/comedi/drivers/dt9812.c, line 861 drivers/comedi/drivers/ni_usb6501.c, line 592 drivers/comedi/drivers/usbdux.c, line 1718 drivers/comedi/drivers/usbduxfast.c, line 1028 drivers/comedi/drivers/usbduxsigma.c, line 1605 drivers/comedi/drivers/vmk80xx.c, line 870 drivers/gpu/drm/gud/gud_drv.c, line 648 drivers/gpu/drm/tiny/gm12u320.c, line 751 drivers/greybus/es2.c, line 1449 drivers/hid/usbhid/hid-core.c, line 1658 drivers/hid/usbhid/usbkbd.c, line 391 drivers/hid/usbhid/usbmouse.c, line 225 drivers/input/joystick/iforce/iforce-usb.c, line 288 drivers/input/joystick/xpad.c, line 1967 drivers/input/misc/ati_remote2.c, line 215 drivers/input/misc/cm109.c, line 878 drivers/input/misc/powermate.c, line 445 drivers/input/misc/yealink.c, line 983 drivers/input/mouse/appletouch.c, line 997 drivers/input/mouse/bcm5974.c, line 1018 drivers/input/tablet/acecad.c, line 250 drivers/input/tablet/aiptek.c, line 1901 drivers/input/tablet/pegasus_notetaker.c, line 453 drivers/input/touchscreen/usbtouchscreen.c, line 1843 drivers/isdn/hardware/mISDN/hfcsusb.c, line 2136 drivers/media/radio/si470x/radio-si470x-usb.c, line 843 drivers/media/rc/ati_remote.c, line 961 drivers/media/rc/igorplugusb.c, line 248 drivers/media/rc/iguanair.c, line 554 drivers/media/rc/imon.c, line 433 drivers/media/rc/imon_raw.c, line 197 drivers/media/rc/ir_toy.c, line 498 drivers/media/rc/mceusb.c, line 1887 drivers/media/rc/redrat3.c, line 1166 drivers/media/rc/streamzap.c, line 105 drivers/media/rc/ttusbir.c, line 420 drivers/media/rc/xbox_remote.c, line 297 drivers/media/usb/airspy/airspy.c, line 1080 drivers/media/usb/b2c2/flexcop-usb.c, line 616 drivers/media/usb/cpia2/cpia2_usb.c, line 62 drivers/media/usb/dvb-usb-v2/lmedm04.c, line 1240 drivers/media/usb/em28xx/em28xx-cards.c, line 4176 drivers/media/usb/go7007/go7007-usb.c, line 1345 drivers/media/usb/s2255/s2255drv.c, line 357 drivers/media/usb/s2255/s2255drv.c, line 2366 drivers/media/usb/siano/smsusb.c, line 717 drivers/media/usb/stk1160/stk1160-core.c, line 424 drivers/media/usb/stkwebcam/stk-webcam.c, line 1418 drivers/media/usb/tm6000/tm6000-cards.c, line 1386 drivers/media/usb/ttusb-dec/ttusb_dec.c, line 1775 drivers/media/usb/uvc/uvcvideo.h, line 728 drivers/mfd/dln2.c, line 851 drivers/misc/cardreader/rtsx_usb.c, line 770 drivers/mmc/host/vub300.c, line 2402 drivers/most/most_usb.c, line 1158 drivers/net/can/usb/ems_usb.c, line 1081 drivers/net/can/usb/esd_usb2.c, line 1150 drivers/net/can/usb/etas_es58x/es58x_core.c, line 2294 drivers/net/can/usb/gs_usb.c, line 1043 drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c, line 844 drivers/net/can/usb/mcba_usb.c, line 898 drivers/net/can/usb/peak_usb/pcan_usb_core.c, line 961 drivers/net/can/usb/ucan.c, line 1594 drivers/net/can/usb/usb_8dev.c, line 1017 drivers/net/ieee802154/atusb.c, line 1164 drivers/net/usb/aqc111.c, line 1477 drivers/net/usb/asix_devices.c, line 1423 drivers/net/usb/ax88179_178a.c, line 1906 drivers/net/usb/catc.c, line 961 drivers/net/usb/cdc-phonet.c, line 310 drivers/net/usb/cdc-phonet.c, line 418 drivers/net/usb/cdc_eem.c, line 352 drivers/net/usb/cdc_ether.c, line 121 drivers/net/usb/cdc_ether.c, line 363 drivers/net/usb/cdc_ether.c, line 1009 drivers/net/usb/cdc_mbim.c, line 32 drivers/net/usb/cdc_mbim.c, line 115 drivers/net/usb/cdc_mbim.c, line 142 drivers/net/usb/cdc_mbim.c, line 666 drivers/net/usb/cdc_ncm.c, line 67 drivers/net/usb/cdc_ncm.c, line 817 drivers/net/usb/cdc_ncm.c, line 991 drivers/net/usb/cdc_ncm.c, line 2021 drivers/net/usb/cdc_subset.c, line 341 drivers/net/usb/ch9200.c, line 412 drivers/net/usb/cx82310_eth.c, line 360 drivers/net/usb/dm9601.c, line 637 drivers/net/usb/gl620a.c, line 214 drivers/net/usb/hso.c, line 368 drivers/net/usb/hso.c, line 3220 drivers/net/usb/ipheth.c, line 536 drivers/net/usb/kalmia.c, line 344 drivers/net/usb/kaweth.c, line 156 drivers/net/usb/lan78xx.c, line 4131 drivers/net/usb/mcs7830.c, line 616 drivers/net/usb/pegasus.c, line 1280 drivers/net/usb/plusb.c, line 147 drivers/net/usb/qmi_wwan.c, line 50 drivers/net/usb/qmi_wwan.c, line 690 drivers/net/usb/qmi_wwan.c, line 753 drivers/net/usb/qmi_wwan.c, line 850 drivers/net/usb/qmi_wwan.c, line 1558 drivers/net/usb/r8152.c, line 9764 drivers/net/usb/rndis_host.c, line 632 drivers/net/usb/rtl8150.c, line 942 drivers/net/usb/sierra_net.c, line 955 drivers/net/usb/smsc75xx.c, line 2327 drivers/net/usb/smsc95xx.c, line 2068 drivers/net/usb/sr9700.c, line 541 drivers/net/usb/sr9800.c, line 859 drivers/net/usb/usbnet.c, line 1670 drivers/net/usb/zaurus.c, line 359 drivers/net/wireless/ath/ar5523/ar5523.c, line 1788 drivers/net/wireless/ath/ath10k/usb.c, line 1084 drivers/net/wireless/ath/ath6kl/usb.c, line 1220 drivers/net/wireless/ath/ath9k/hif_usb.c, line 1479 drivers/net/wireless/atmel/at76c50x-usb.c, line 2561 drivers/net/wireless/marvell/libertas/if_usb.c, line 981 drivers/net/wireless/marvell/libertas_tf/if_usb.c, line 906 drivers/net/wireless/marvell/mwifiex/usb.c, line 677 drivers/net/wireless/mediatek/mt76/mt7615/usb.c, line 212 drivers/net/wireless/mediatek/mt76/mt76x0/usb.c, line 340 drivers/net/wireless/ralink/rt2x00/rt2800usb.c, line 1261 drivers/net/wireless/ralink/rt2x00/rt73usb.c, line 2526 drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c, line 1675 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c, line 6927 drivers/net/wireless/realtek/rtlwifi/rtl8192cu/sw.c, line 376 drivers/net/wireless/rndis_wlan.c, line 3747 drivers/net/wireless/rsi/rsi_91x_usb.c, line 916 drivers/net/wireless/zydas/zd1201.c, line 1895 drivers/net/wireless/zydas/zd1211rw/zd_usb.c, line 1527 drivers/nfc/nfcmrvl/usb.c, line 441 drivers/nfc/pn533/usb.c, line 597 drivers/nfc/port100.c, line 1641 drivers/staging/rtl8188eu/os_dep/usb_intf.c, line 475 drivers/staging/rtl8192u/r8192U_core.c, line 113 drivers/staging/rtl8712/usb_intf.c, line 187 drivers/staging/vt6656/main_usb.c, line 1105 drivers/staging/wlan-ng/prism2usb.c, line 289 drivers/usb/atm/ueagle-atm.c, line 520 drivers/usb/atm/ueagle-atm.c, line 2716 drivers/usb/class/cdc-acm.c, line 47 drivers/usb/class/cdc-acm.c, line 1981 drivers/usb/class/cdc-wdm.c, line 117 drivers/usb/class/cdc-wdm.c, line 1190 drivers/usb/class/cdc-wdm.c, line 1350 drivers/usb/class/usbtmc.c, line 152 drivers/usb/class/usbtmc.c, line 2572 drivers/usb/core/devio.c, line 748 drivers/usb/core/devio.c, line 2219 drivers/usb/core/devio.c, line 2370 drivers/usb/core/driver.c, line 133 drivers/usb/core/driver.c, line 141 drivers/usb/core/driver.c, line 154 drivers/usb/core/driver.c, line 154 drivers/usb/core/driver.c, line 163 drivers/usb/core/driver.c, line 164 drivers/usb/core/driver.c, line 174 drivers/usb/core/driver.c, line 184 drivers/usb/core/driver.c, line 206 drivers/usb/core/driver.c, line 219 drivers/usb/core/driver.c, line 232 drivers/usb/core/driver.c, line 320 drivers/usb/core/driver.c, line 430 drivers/usb/core/driver.c, line 535 drivers/usb/core/driver.c, line 609 drivers/usb/core/driver.c, line 879 drivers/usb/core/driver.c, line 1042 drivers/usb/core/driver.c, line 1095 drivers/usb/core/driver.c, line 1114 drivers/usb/core/driver.c, line 1218 drivers/usb/core/driver.c, line 1298 drivers/usb/core/driver.c, line 1319 drivers/usb/core/driver.c, line 1909 drivers/usb/core/hub.c, line 5791 drivers/usb/core/hub.c, line 6083 drivers/usb/core/hub.c, line 6106 drivers/usb/core/usb.c, line 351 drivers/usb/host/xhci.c, line 4925 drivers/usb/image/mdc800.c, line 409 drivers/usb/image/mdc800.c, line 968 drivers/usb/image/microtek.c, line 156 drivers/usb/misc/adutux.c, line 103 drivers/usb/misc/adutux.c, line 788 drivers/usb/misc/ehset.c, line 122 drivers/usb/misc/ftdi-elan.c, line 192 drivers/usb/misc/ftdi-elan.c, line 2753 drivers/usb/misc/iowarrior.c, line 66 drivers/usb/misc/iowarrior.c, line 923 drivers/usb/misc/ldusb.c, line 184 drivers/usb/misc/ldusb.c, line 787 drivers/usb/misc/lvstest.c, line 466 drivers/usb/misc/usbsevseg.c, line 380 drivers/usb/misc/usbtest.c, line 3048 drivers/usb/misc/uss720.c, line 786 drivers/usb/serial/bus.c, line 115 drivers/usb/serial/bus.c, line 116 drivers/usb/serial/bus.c, line 117 drivers/usb/serial/bus.c, line 118 drivers/usb/serial/f81232.c, line 1063 drivers/usb/serial/usb-serial.c, line 126 drivers/usb/serial/usb-serial.c, line 126 drivers/usb/serial/usb-serial.c, line 147 drivers/usb/serial/usb-serial.c, line 147 drivers/usb/serial/usb-serial.c, line 740 drivers/usb/serial/usb-serial.c, line 744 drivers/usb/serial/usb-serial.c, line 1424 drivers/usb/serial/usb-serial.c, line 1475 drivers/usb/serial/usb-serial.c, line 1516 drivers/usb/serial/usb-serial.c, line 1547 drivers/usb/serial/usb-serial.c, line 1547 drivers/usb/storage/onetouch.c, line 293 drivers/usb/storage/realtek_cr.c, line 1053 drivers/usb/storage/uas.c, line 1246 drivers/usb/usb-skeleton.c, line 69 drivers/usb/usb-skeleton.c, line 632 drivers/video/fbdev/smscufx.c, line 1766 drivers/video/fbdev/udlfb.c, line 1802 drivers/w1/masters/ds2490.c, line 1096 include/linux/usb.h, line 27 include/linux/usb.h, line 838 include/linux/usb.h, line 859 include/linux/usb.h, line 867 include/linux/usb.h, line 1190 include/linux/usb.h, line 1218 include/linux/usb.h, line 1289 include/linux/usb.h, line 1296 sound/usb/bcd2000/bcd2000.c, line 65 sound/usb/bcd2000/bcd2000.c, line 447 sound/usb/card.c, line 113 sound/usb/card.c, line 1094 sound/usb/line6/pod.c, line 526 sound/usb/line6/podhd.c, line 141 sound/usb/line6/podhd.c, line 544 sound/usb/line6/toneport.c, line 567 sound/usb/misc/ua101.c, line 126 sound/usb/misc/ua101.c, line 1346 sound/usb/quirks.c, line 34 sound/usb/quirks.c, line 71 sound/usb/quirks.c, line 84 sound/usb/quirks.c, line 93 sound/usb/quirks.c, line 104 sound/usb/quirks.c, line 166 sound/usb/quirks.c, line 233 sound/usb/quirks.c, line 275 sound/usb/quirks.c, line 307 sound/usb/quirks.c, line 331 sound/usb/quirks.c, line 359 sound/usb/quirks.c, line 395 sound/usb/quirks.c, line 407 sound/usb/quirks.c, line 450 sound/usb/quirks.c, line 544 sound/usb/quirks.c, line 555 sound/usb/quirks.c, line 572 sound/usb/quirks.c, line 577 sound/usb/usx2y/usbusx2y.c, line 460