diff options
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/probe.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index a7bce75c673..34b8dae0d90 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -22,6 +22,18 @@ EXPORT_SYMBOL(pci_root_buses); LIST_HEAD(pci_devices); +/* + * Some device drivers need know if pci is initiated. + * Basically, we think pci is not initiated when there + * is no device in list of pci_devices. + */ +int no_pci_devices(void) +{ + return list_empty(&pci_devices); +} + +EXPORT_SYMBOL(no_pci_devices); + #ifdef HAVE_PCI_LEGACY /** * pci_create_legacy_files - create legacy I/O port and memory files |