Name

pci_cfg_access_trylock — try to lock PCI config reads/writes

Synopsis

bool pci_cfg_access_trylock (struct pci_dev * dev);
 

Arguments

struct pci_dev * 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.