1. NAME▲

pci_cfg_access_lock - Lock PCI config reads/writes

2. SYNOPSIS ▲

void pci_cfg_access_lock(struct pci_dev *  dev );

3. ARGUMENTS ▲

dev
    pci device struct

4. DESCRIPTION ▲

When access is locked, any userspace reads or writes to config space and concurrent lock requests will sleep until access is allowed via pci_cfg_access_unlocked again.

5. COPYRIGHT ▲