x86, AMD IOMMU: build fix #3

fix typo causing:

arch/x86/kernel/built-in.o: In function `__unmap_single':
amd_iommu.c:(.text+0x17771): undefined reference to `iommu_area_free'
arch/x86/kernel/built-in.o: In function `__map_single':
amd_iommu.c:(.text+0x1797a): undefined reference to `iommu_area_alloc'
amd_iommu.c:(.text+0x179a2): undefined reference to `iommu_area_alloc'

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 62a2820297b1..8aae462f4e01 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -551,7 +551,7 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT
 
 config AMD_IOMMU
         bool "AMD IOMMU support"
-        select SWIOTL
+        select SWIOTLB
         depends on X86_64 && PCI && ACPI
         help
           Select this to get support for AMD IOMMU hardware in your system.