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Diffstat (limited to 'arch/x86/pci/init.c')
-rw-r--r--arch/x86/pci/init.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
new file mode 100644
index 000000000000..3de9f9ba2da6
--- /dev/null
+++ b/arch/x86/pci/init.c
@@ -0,0 +1,37 @@
+#include <linux/pci.h>
+#include <linux/init.h>
+#include "pci.h"
+
+/* arch_initcall has too random ordering, so call the initializers
+ in the right sequence from here. */
+static __init int pci_access_init(void)
+{
+ int type __maybe_unused = 0;
+
+#ifdef CONFIG_PCI_DIRECT
+ type = pci_direct_probe();
+#endif
+#ifdef CONFIG_PCI_MMCONFIG
+ pci_mmcfg_init(type);
+#endif
+ if (raw_pci_ops)
+ return 0;
+#ifdef CONFIG_PCI_BIOS
+ pci_pcbios_init();
+#endif
+ /*
+ * don't check for raw_pci_ops here because we want pcbios as last
+ * fallback, yet it's needed to run first to set pcibios_last_bus
+ * in case legacy PCI probing is used. otherwise detecting peer busses
+ * fails.
+ */
+#ifdef CONFIG_PCI_DIRECT
+ pci_direct_init(type);
+#endif
+ if (!raw_pci_ops)
+ printk(KERN_ERR
+ "PCI: Fatal: No config space access function found\n");
+
+ return 0;
+}
+arch_initcall(pci_access_init);