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USB_FIND_INTERFACE(9) USB Core APIs USB_FIND_INTERFACE(9)

NAME

usb_find_interface - find usb_interface pointer for driver and device

SYNOPSIS

struct usb_interface * usb_find_interface(struct usb_driver * drv, int minor);

ARGUMENTS

drv
the driver whose current configuration is considered
minor
the minor number of the desired device

DESCRIPTION

This walks the bus device list and returns a pointer to the interface with the matching minor and driver. Note, this only works for devices that share the USB major number.

RETURN

A pointer to the interface with the matching major and minor.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16