Function at include/linux/usb/ch9.h, line 488 References: drivers/bluetooth/btusb.c, line 902 drivers/mtd/nand/alauda.c, line 667 drivers/net/wireless/at76c50x-usb.c, line 2152 drivers/net/wireless/libertas/if_usb.c, line 264 drivers/net/wireless/libertas_tf/if_usb.c, line 143 drivers/net/wireless/rt2x00/rt2x00usb.c, line 458 drivers/staging/comedi/drivers/vmk80xx.c, line 1231 drivers/staging/otus/usbdrv.c, line 939 drivers/staging/rtl8192su/r8192U_core.c, line 7370 drivers/usb/class/cdc-acm.c, line 1088 drivers/usb/class/usblp.c, line 1250 drivers/usb/class/usbtmc.c, line 1061 drivers/usb/misc/ftdi-elan.c, line 2791 drivers/usb/misc/usblcd.c, line 340 drivers/usb/serial/aircable.c, line 318 drivers/usb/serial/io_edgeport.c, line 3166 drivers/usb/serial/qcserial.c, line 86 drivers/usb/serial/usb-serial.c, line 806 drivers/usb/usb-skeleton.c, line 573 include/linux/usb/ch9.h, line 488