[IA64] remove duplicate include iommu.h
[linux-2.6.git] / arch / ia64 / kernel / pci-dma.c
index 10a75b5..2a92f63 100644 (file)
 #include <asm/machvec.h>
 #include <linux/dma-mapping.h>
 
-#include <asm/machvec.h>
 #include <asm/system.h>
 
 #ifdef CONFIG_DMAR
 
 #include <linux/kernel.h>
-#include <linux/string.h>
 
 #include <asm/page.h>
-#include <asm/iommu.h>
 
 dma_addr_t bad_dma_address __read_mostly;
 EXPORT_SYMBOL(bad_dma_address);
@@ -89,13 +86,6 @@ int iommu_dma_supported(struct device *dev, u64 mask)
 {
        struct dma_mapping_ops *ops = get_dma_ops(dev);
 
-#ifdef CONFIG_PCI
-       if (mask > 0xffffffff && forbid_dac > 0) {
-               dev_info(dev, "Disallowing DAC for device\n");
-               return 0;
-       }
-#endif
-
        if (ops->dma_supported_op)
                return ops->dma_supported_op(dev, mask);