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IA64: fix compile error on IA64_DIG_VTD

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This moves iommu_detected to arch/ia64/kernel/dma-mapping.c from
arch/ia64/kernel/pci-swiotlb.c to fix the following error on on
IA64_DIG_VTD:

 arch/ia64/kernel/built-in.o: In function `pci_iommu_init':
 pci-dma.c:(.init.text+0xa021): undefined reference to `iommu_detected'
 pci-dma.c:(.init.text+0xa030): undefined reference to `iommu_detected'
 drivers/built-in.o: In function `detect_intel_iommu':
 (.init.text+0x11c0): undefined reference to `iommu_detected'
 drivers/built-in.o: In function `detect_intel_iommu':
 (.init.text+0x11e1): undefined reference to `iommu_detected'

iommu_detected is used to handle IOMMUs so I guess that
arch/ia64/kernel/dma-mapping.c is ok (there might be a better place
for it though).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
FUJITA Tomonori 2009-01-27 23:43:59 +09:00 committed by Ingo Molnar
parent b041cf22dd
commit fb4467274d
2 changed files with 3 additions and 3 deletions
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3
arch/ia64/kernel/dma-mapping.c
View File

@ -1,5 +1,8 @@
#include <linux/dma-mapping.h>
/* Set this to 1 if there is a HW IOMMU in the system */
int iommu_detected __read_mostly;
struct dma_map_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);

3
arch/ia64/kernel/pci-swiotlb.c
View File

@ -13,9 +13,6 @@
int swiotlb __read_mostly;
EXPORT_SYMBOL(swiotlb);
/* Set this to 1 if there is a HW IOMMU in the system */
int iommu_detected __read_mostly;
struct dma_map_ops swiotlb_dma_ops = {
.alloc_coherent = swiotlb_alloc_coherent,
.free_coherent = swiotlb_free_coherent,