Name
parport_claim -- claim access to a parallel port device
Synopsis
int parport_claim (struct pardevice * dev);
Arguments
- dev
pointer to structure representing a device on the port
Description
This function will not block and so can be used from interrupt
context. If parport_claim succeeds in claiming access to
the port it returns zero and the port is available to use. It
may fail (returning non-zero) if the port is in use by another
driver and that driver is not willing to relinquish control of
the port.