pci_cfg_access_trylock (9) - Linux Manuals

pci_cfg_access_trylock: try to lock PCI config reads/writes

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.

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