From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/x86/pci/init.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 arch/x86/pci/init.c

(limited to 'arch/x86/pci/init.c')

diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
new file mode 100644
index 000000000..adb62aaa7
--- /dev/null
+++ b/arch/x86/pci/init.c
@@ -0,0 +1,44 @@
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <asm/pci_x86.h>
+#include <asm/x86_init.h>
+
+/* arch_initcall has too random ordering, so call the initializers
+   in the right sequence from here. */
+static __init int pci_arch_init(void)
+{
+#ifdef CONFIG_PCI_DIRECT
+	int type = 0;
+
+	type = pci_direct_probe();
+#endif
+
+	if (!(pci_probe & PCI_PROBE_NOEARLY))
+		pci_mmcfg_early_init();
+
+	if (x86_init.pci.arch_init && !x86_init.pci.arch_init())
+		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 && !raw_pci_ext_ops)
+		printk(KERN_ERR
+		"PCI: Fatal: No config space access function found\n");
+
+	dmi_check_pciprobe();
+
+	dmi_check_skip_isa_align();
+
+	return 0;
+}
+arch_initcall(pci_arch_init);
-- 
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