Revert "x86: blacklist DMAR on Intel G31/G33 chipsets"

[linux-2.6-omap-h63xx.git] / arch / x86 / include / asm / iommu.h

diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index 961e746da977d470092b9ab912cf1d3f2531a4b7..0b500c5b6446e6690846fe9d13a0a5483bef2f20 100644 (file)
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -1,15 +1,17 @@
-#ifndef ASM_X86__IOMMU_H
-#define ASM_X86__IOMMU_H
+#ifndef _ASM_X86_IOMMU_H
+#define _ASM_X86_IOMMU_H
 
 extern void pci_iommu_shutdown(void);
 extern void no_iommu_init(void);
 extern struct dma_mapping_ops nommu_dma_ops;
 extern int force_iommu, no_iommu;
 extern int iommu_detected;
-extern int dmar_disabled;
 
 extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
 
+/* 10 seconds */
+#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
+
 #ifdef CONFIG_GART_IOMMU
 extern int gart_iommu_aperture;
 extern int gart_iommu_aperture_allowed;
@@ -43,4 +45,4 @@ static inline void gart_iommu_hole_init(void)
 }
 #endif
 
-#endif /* ASM_X86__IOMMU_H */
+#endif /* _ASM_X86_IOMMU_H */