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