diff options
Diffstat (limited to 'src/arch/i386/lib/pci_ops_auto.c')
| -rw-r--r-- | src/arch/i386/lib/pci_ops_auto.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/arch/i386/lib/pci_ops_auto.c b/src/arch/i386/lib/pci_ops_auto.c index b757e608fc..f453d47826 100644 --- a/src/arch/i386/lib/pci_ops_auto.c +++ b/src/arch/i386/lib/pci_ops_auto.c @@ -41,6 +41,8 @@ static int pci_sanity_check(const struct pci_bus_operations *o) return 0; } +struct pci_bus_operations *pci_bus_fallback_ops = NULL; + const struct pci_bus_operations *pci_check_direct(void) { unsigned int tmp; @@ -81,11 +83,18 @@ const struct pci_bus_operations *pci_check_direct(void) return NULL; } +const struct pci_bus_operations *pci_remember_direct(void) +{ + if (!pci_bus_fallback_ops) + pci_bus_fallback_ops = pci_check_direct(); + return pci_bus_fallback_ops; +} + /** Set the method to be used for PCI, type I or type II */ void pci_set_method(device_t dev) { printk_info("Finding PCI configuration type.\n"); - dev->ops->ops_pci_bus = pci_check_direct(); + dev->ops->ops_pci_bus = pci_remember_direct(); post_code(0x5f); } |