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| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-06-09 17:52:27 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-06-15 15:20:40 +0200 |
| commit | 0975904276552c8e201dad0ad31152ba8a21505a (patch) | |
| tree | c7db491abe7dcb001c46ad30341475755f5b07ca /arch/x86/include/asm/amd_iommu.h | |
| parent | 92db1e6af747faa129e236d68386af26a0efc12b (diff) | |
| download | linux-stable-0975904276552c8e201dad0ad31152ba8a21505a.tar.gz linux-stable-0975904276552c8e201dad0ad31152ba8a21505a.tar.bz2 linux-stable-0975904276552c8e201dad0ad31152ba8a21505a.zip | |
amd-iommu: disable IOMMU hardware on shutdown
When the IOMMU stays enabled the BIOS may not be able to finish the
machine shutdown properly. So disable the hardware on shutdown.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/include/asm/amd_iommu.h')
| -rw-r--r-- | arch/x86/include/asm/amd_iommu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h index 262e02820049..bdf96f119f06 100644 --- a/arch/x86/include/asm/amd_iommu.h +++ b/arch/x86/include/asm/amd_iommu.h @@ -29,9 +29,11 @@ extern void amd_iommu_detect(void); extern irqreturn_t amd_iommu_int_handler(int irq, void *data); extern void amd_iommu_flush_all_domains(void); extern void amd_iommu_flush_all_devices(void); +extern void amd_iommu_shutdown(void); #else static inline int amd_iommu_init(void) { return -ENODEV; } static inline void amd_iommu_detect(void) { } +static inline void amd_iommu_shutdown(void) { } #endif #endif /* _ASM_X86_AMD_IOMMU_H */ |