x86: move initialization functions to pci-dma.c

initcalls that triggers the various possibiities for
dma subsys are moved to pci-dma.c.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 37a558a96153..6b77fd872a7a 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -1,4 +1,8 @@
 #include <linux/dma-mapping.h>
+#include <linux/dmar.h>
+
+#include <asm/gart.h>
+#include <asm/calgary.h>
 
 const struct dma_mapping_ops *dma_ops;
 EXPORT_SYMBOL(dma_ops);
@@ -22,4 +26,25 @@ int dma_set_mask(struct device *dev, u64 mask)
 }
 EXPORT_SYMBOL(dma_set_mask);
 
+static int __init pci_iommu_init(void)
+{
+#ifdef CONFIG_CALGARY_IOMMU
+        calgary_iommu_init();
+#endif
+
+        intel_iommu_init();
+
+#ifdef CONFIG_GART_IOMMU
+        gart_iommu_init();
+#endif
 
+        no_iommu_init();
+        return 0;
+}
+
+void pci_iommu_shutdown(void)
+{
+        gart_iommu_shutdown();
+}
+/* Must execute after PCI subsystem */
+fs_initcall(pci_iommu_init);