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iommu: Cleanup ifdefs in detect_intel_iommu()

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Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: yinghai@kernel.org
Cc: youquan.song@intel.com
Cc: joerg.roedel@amd.com
Cc: tony.luck@intel.com
Cc: dwmw2@infradead.org
Link: http://lkml.kernel.org/r/20110824001456.386003047@sbsiddha-desk.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Suresh Siddha 2011-08-23 17:05:22 -07:00 • committed by Ingo Molnar
parent 80990c5ba6
commit f5d1b97bcd
3 changed files with 12 additions and 10 deletions
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3
include/linux/dma_remapping.h
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@ -30,6 +30,7 @@ struct root_entry;
extern void free_dmar_iommu(struct intel_iommu *iommu);
extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
extern int dmar_disabled;
#else
static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
{
@ -42,8 +43,8 @@ static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu)
static inline void free_dmar_iommu(struct intel_iommu *iommu)
{
}
#define dmar_disabled (1)
#endif
extern int dmar_disabled;
#endif