PCI_CFG_ACCESS_TRYLO(9)                Hardware Interfaces                PCI_CFG_ACCESS_TRYLO(9)



NAME
       pci_cfg_access_trylock - try to lock PCI config reads/writes

SYNOPSIS
       bool pci_cfg_access_trylock(struct pci_dev * dev);

ARGUMENTS
       dev
           pci device struct

DESCRIPTION
       Same as pci_cfg_access_lock, but will return 0 if access is already locked, 1 otherwise.
       This function can be used from atomic contexts.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   PCI_CFG_ACCESS_TRYLO(9)