PCI_PWR_COMP_BUSY
if ((p->pwr_flags & PCI_PWR_COMP_BUSY) == 0) {
p->pwr_flags |= PCI_PWR_COMP_BUSY;
if (p->pwr_flags & PCI_PWR_COMP_BUSY) {
p->pwr_flags &= ~PCI_PWR_COMP_BUSY;