diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 14:23:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 14:23:48 -0700 |
| commit | 157b6ceb13e4b4148ee03dd517dbe88748943125 (patch) | |
| tree | f0f0f50bef7ce0be2e86465881c518fbb5ddb0de /drivers/pci | |
| parent | 4a60cfa9457749f7987fd4f3c956dbba5a281129 (diff) | |
| parent | 6e9636693373d938aa3b13427be3d212f172ac06 (diff) | |
| download | linux-157b6ceb13e4b4148ee03dd517dbe88748943125.tar.bz2 | |
Merge branch 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, iommu: Update header comments with appropriate naming
ia64, iommu: Add a dummy iommu_table.h file in IA64.
x86, iommu: Fix IOMMU_INIT alignment rules
x86, doc: Adding comments about .iommu_table and its neighbors.
x86, iommu: Utilize the IOMMU_INIT macros functionality.
x86, VT-d: Make Intel VT-d IOMMU use IOMMU_INIT_* macros.
x86, GART/AMD-VI: Make AMD GART and IOMMU use IOMMU_INIT_* macros.
x86, calgary: Make Calgary IOMMU use IOMMU_INIT_* macros.
x86, xen-swiotlb: Make Xen-SWIOTLB use IOMMU_INIT_* macros.
x86, swiotlb: Make SWIOTLB use IOMMU_INIT_* macros.
x86, swiotlb: Simplify SWIOTLB pci_swiotlb_detect routine.
x86, iommu: Add proper dependency sort routine (and sanity check).
x86, iommu: Make all IOMMU's detection routines return a value.
x86, iommu: Add IOMMU_INIT macros, .iommu_table section, and iommu_table_entry structure
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/dmar.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 3de3a436a432..0157708d474d 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -36,6 +36,7 @@ #include <linux/tboot.h> #include <linux/dmi.h> #include <linux/slab.h> +#include <asm/iommu_table.h> #define PREFIX "DMAR: " @@ -687,7 +688,7 @@ failed: return 0; } -void __init detect_intel_iommu(void) +int __init detect_intel_iommu(void) { int ret; @@ -723,6 +724,8 @@ void __init detect_intel_iommu(void) } early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size); dmar_tbl = NULL; + + return ret ? 1 : -ENODEV; } @@ -1455,3 +1458,4 @@ int __init dmar_ir_support(void) return 0; return dmar->flags & 0x1; } +IOMMU_INIT_POST(detect_intel_iommu); |