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| 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¶
| January 2017 | Kernel Hackers Manual 4.8. |