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USB_INTERFACE_CLAIME(9) | Host-Side Data Types and Macro | USB_INTERFACE_CLAIME(9) |
NAME¶
usb_interface_claimed - returns true iff an interface is claimedSYNOPSIS¶
int
usb_interface_claimed(struct usb_interface * iface);
ARGUMENTS¶
ifacethe interface being checked
RETURN¶
true (nonzero) iff the interface is claimed, else false (zero).NOTE¶
Callers must own the driver model's usb bus readlock. So driver probe entries don't need extra locking, but other call contexts may need to explicitly claim that lock.COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |