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[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>
This commit is contained in:
Stephen Hemminger 2007-05-02 19:27:06 +02:00 committed by Andi Kleen
parent 19d1743315
commit e658450455
6 changed files with 6 additions and 6 deletions
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2
arch/x86_64/kernel/pci-calgary.c
View File

@ -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,

2
arch/x86_64/kernel/pci-gart.c
View File

@ -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,

2
arch/x86_64/kernel/pci-nommu.c
View File

@ -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,

2
arch/x86_64/kernel/pci-swiotlb.c
View File

@ -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,

2
arch/x86_64/mm/init.c
View File

@ -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;

2
include/asm-x86_64/dma-mapping.h
View File

@ -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)