Commit e6584504 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Andi Kleen
Browse files

[PATCH] x86-64: dma_ops as const 



The dma_ops structure can be const since it never changes
after boot.

Signed-off-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent 19d17433

arch/x86_64/kernel/pci-calgary.c

+1 −1
Original line number Diff line number Diff line
@@ -507,7 +507,7 @@ void* calgary_alloc_coherent(struct device *dev, size_t size, 
	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,

arch/x86_64/kernel/pci-gart.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

arch/x86_64/kernel/pci-nommu.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

arch/x86_64/kernel/pci-swiotlb.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

arch/x86_64/mm/init.c

+1 −1
Original line number Diff line number Diff line
@@ -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;