pci_bus_set_current_state 1028 drivers/gpu/vga/vga_switcheroo.c 	pci_bus_set_current_state(pdev->bus, PCI_D3cold);
pci_bus_set_current_state 1073 drivers/pci/pci.c 		pci_bus_set_current_state(dev->subordinate, PCI_D3cold);
pci_bus_set_current_state 1249 include/linux/pci.h void pci_bus_set_current_state(struct pci_bus *bus, pci_power_t state);