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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-09-06 16:48:40 +0200 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-10-21 14:37:18 +0200 |
| commit | 39d4ebb95925046863dc0ef2698dfcf2c1f1dcbe (patch) | |
| tree | ad9a31efe5d83217d49603dbe3894d80717c754b /include | |
| parent | 51acc0bcfc91987ed38195918e0b40ff05197585 (diff) | |
| download | linux-stable-39d4ebb95925046863dc0ef2698dfcf2c1f1dcbe.tar.gz linux-stable-39d4ebb95925046863dc0ef2698dfcf2c1f1dcbe.tar.bz2 linux-stable-39d4ebb95925046863dc0ef2698dfcf2c1f1dcbe.zip | |
iommu/core: Define iommu_ops and register_iommu only with CONFIG_IOMMU_API
This makes it impossible to compile an iommu driver into the
kernel without selecting CONFIG_IOMMU_API.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/iommu.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 9940319d6f9d..6470cd87b4ea 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -34,6 +34,8 @@ struct iommu_domain { #define IOMMU_CAP_CACHE_COHERENCY 0x1 #define IOMMU_CAP_INTR_REMAP 0x2 /* isolates device intrs */ +#ifdef CONFIG_IOMMU_API + struct iommu_ops { int (*domain_init)(struct iommu_domain *domain); void (*domain_destroy)(struct iommu_domain *domain); @@ -49,8 +51,6 @@ struct iommu_ops { unsigned long cap); }; -#ifdef CONFIG_IOMMU_API - extern void register_iommu(struct iommu_ops *ops); extern bool iommu_found(void); extern struct iommu_domain *iommu_domain_alloc(void); @@ -70,9 +70,7 @@ extern int iommu_domain_has_cap(struct iommu_domain *domain, #else /* CONFIG_IOMMU_API */ -static inline void register_iommu(struct iommu_ops *ops) -{ -} +struct iommu_ops {}; static inline bool iommu_found(void) { |