diff options
| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-05-02 17:27:06 (GMT) |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2007-05-02 17:27:06 (GMT) |
| commit | e65845045588806fa5c8df8a4f4253516515a5e3 (patch) | |
| tree | 7c94861cdb639c528c93aa091968a1b9f617dbaf | |
| parent | 19d1743315099665db4ce02c9942507a5ee1deea (diff) | |
| download | linux-fsl-qoriq-e65845045588806fa5c8df8a4f4253516515a5e3.tar.xz | |
[PATCH] x86-64: dma_ops as const
The dma_ops structure can be const since it never changes
after boot.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
| -rw-r--r-- | arch/x86_64/kernel/pci-calgary.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-gart.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-nommu.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-swiotlb.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/mm/init.c | 2 | ||||
| -rw-r--r-- | include/asm-x86_64/dma-mapping.h | 2 |
6 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c index 04480c3..5bd20b5 100644 --- a/arch/x86_64/kernel/pci-calgary.c +++ b/arch/x86_64/kernel/pci-calgary.c @@ -507,7 +507,7 @@ error: return ret; } -static struct dma_mapping_ops calgary_dma_ops = { +static const struct dma_mapping_ops calgary_dma_ops = { .alloc_coherent = calgary_alloc_coherent, .map_single = calgary_map_single, .unmap_single = calgary_unmap_single, diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c index 0bae862..0a762e1 100644 --- a/arch/x86_64/kernel/pci-gart.c +++ b/arch/x86_64/kernel/pci-gart.c @@ -556,7 +556,7 @@ static __init int init_k8_gatt(struct agp_kern_info *info) extern int agp_amd64_init(void); -static struct dma_mapping_ops gart_dma_ops = { +static const struct dma_mapping_ops gart_dma_ops = { .mapping_error = NULL, .map_single = gart_map_single, .map_simple = gart_map_simple, diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c index df09ab0..6dade0c 100644 --- a/arch/x86_64/kernel/pci-nommu.c +++ b/arch/x86_64/kernel/pci-nommu.c @@ -79,7 +79,7 @@ void nommu_unmap_sg(struct device *dev, struct scatterlist *sg, { } -struct dma_mapping_ops nommu_dma_ops = { +const struct dma_mapping_ops nommu_dma_ops = { .map_single = nommu_map_single, .unmap_single = nommu_unmap_single, .map_sg = nommu_map_sg, diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c index eb18be5..4b4569a 100644 --- a/arch/x86_64/kernel/pci-swiotlb.c +++ b/arch/x86_64/kernel/pci-swiotlb.c @@ -12,7 +12,7 @@ int swiotlb __read_mostly; EXPORT_SYMBOL(swiotlb); -struct dma_mapping_ops swiotlb_dma_ops = { +const struct dma_mapping_ops swiotlb_dma_ops = { .mapping_error = swiotlb_dma_mapping_error, .alloc_coherent = swiotlb_alloc_coherent, .free_coherent = swiotlb_free_coherent, diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index ec31534..5ca6173 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -46,7 +46,7 @@ #define Dprintk(x...) #endif -struct dma_mapping_ops* dma_ops; +const struct dma_mapping_ops* dma_ops; EXPORT_SYMBOL(dma_ops); static unsigned long dma_reserve __initdata; diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h index d2af227..6897e2a 100644 --- a/include/asm-x86_64/dma-mapping.h +++ b/include/asm-x86_64/dma-mapping.h @@ -52,7 +52,7 @@ struct dma_mapping_ops { }; extern dma_addr_t bad_dma_address; -extern struct dma_mapping_ops* dma_ops; +extern const struct dma_mapping_ops* dma_ops; extern int iommu_merge; static inline int dma_mapping_error(dma_addr_t dma_addr) |