diff options
author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2009-01-05 23:36:16 +0900 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-01-06 14:06:51 +0100 |
commit | c190ab0b2a5fb5cc97576c5f04f4419b6cf8dc8e (patch) | |
tree | 8bc75bb8a30211dbbcc4a3a30a1be2b831392a96 /arch/ia64/include | |
parent | cdc28d59a31e3fd711982bd07600f3e5b449b9f7 (diff) |
add dma_get_ops to struct ia64_machine_vector
This adds dma_get_ops hook to struct ia64_machine_vector. We use
dma_get_ops() in arch/ia64/kernel/dma-mapping.c, which simply returns
the global dma_ops. This is for removing hwsw_dma_ops.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/ia64/include')
-rw-r--r-- | arch/ia64/include/asm/dma-mapping.h | 41 | ||||
-rw-r--r-- | arch/ia64/include/asm/machvec.h | 8 |
2 files changed, 32 insertions, 17 deletions
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h index 5298f4064e3..bac3159379f 100644 --- a/arch/ia64/include/asm/dma-mapping.h +++ b/arch/ia64/include/asm/dma-mapping.h @@ -68,13 +68,15 @@ extern void set_iommu_machvec(void); static inline void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *daddr, gfp_t gfp) { - return dma_ops->alloc_coherent(dev, size, daddr, gfp | GFP_DMA); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + return ops->alloc_coherent(dev, size, daddr, gfp | GFP_DMA); } static inline void dma_free_coherent(struct device *dev, size_t size, void *caddr, dma_addr_t daddr) { - dma_ops->free_coherent(dev, size, caddr, daddr); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->free_coherent(dev, size, caddr, daddr); } #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) @@ -85,7 +87,8 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev, enum dma_data_direction dir, struct dma_attrs *attrs) { - return dma_ops->map_single_attrs(dev, caddr, size, dir, attrs); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + return ops->map_single_attrs(dev, caddr, size, dir, attrs); } static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t daddr, @@ -93,7 +96,8 @@ static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t daddr, enum dma_data_direction dir, struct dma_attrs *attrs) { - dma_ops->unmap_single_attrs(dev, daddr, size, dir, attrs); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->unmap_single_attrs(dev, daddr, size, dir, attrs); } #define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, NULL) @@ -103,7 +107,8 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir, struct dma_attrs *attrs) { - return dma_ops->map_sg_attrs(dev, sgl, nents, dir, attrs); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + return ops->map_sg_attrs(dev, sgl, nents, dir, attrs); } static inline void dma_unmap_sg_attrs(struct device *dev, @@ -111,7 +116,8 @@ static inline void dma_unmap_sg_attrs(struct device *dev, enum dma_data_direction dir, struct dma_attrs *attrs) { - dma_ops->unmap_sg_attrs(dev, sgl, nents, dir, attrs); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->unmap_sg_attrs(dev, sgl, nents, dir, attrs); } #define dma_map_sg(d, s, n, r) dma_map_sg_attrs(d, s, n, r, NULL) @@ -121,14 +127,16 @@ static inline void dma_sync_single_for_cpu(struct device *dev, dma_addr_t daddr, size_t size, enum dma_data_direction dir) { - dma_ops->sync_single_for_cpu(dev, daddr, size, dir); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->sync_single_for_cpu(dev, daddr, size, dir); } static inline void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir) { - dma_ops->sync_sg_for_cpu(dev, sgl, nents, dir); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->sync_sg_for_cpu(dev, sgl, nents, dir); } static inline void dma_sync_single_for_device(struct device *dev, @@ -136,7 +144,8 @@ static inline void dma_sync_single_for_device(struct device *dev, size_t size, enum dma_data_direction dir) { - dma_ops->sync_single_for_device(dev, daddr, size, dir); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->sync_single_for_device(dev, daddr, size, dir); } static inline void dma_sync_sg_for_device(struct device *dev, @@ -144,12 +153,14 @@ static inline void dma_sync_sg_for_device(struct device *dev, int nents, enum dma_data_direction dir) { - dma_ops->sync_sg_for_device(dev, sgl, nents, dir); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + ops->sync_sg_for_device(dev, sgl, nents, dir); } static inline int dma_mapping_error(struct device *dev, dma_addr_t daddr) { - return dma_ops->mapping_error(dev, daddr); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + return ops->mapping_error(dev, daddr); } #define dma_map_page(dev, pg, off, size, dir) \ @@ -169,7 +180,8 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t daddr) static inline int dma_supported(struct device *dev, u64 mask) { - return dma_ops->dma_supported_op(dev, mask); + struct dma_mapping_ops *ops = platform_dma_get_ops(dev); + return ops->dma_supported_op(dev, mask); } static inline int @@ -196,9 +208,4 @@ dma_cache_sync (struct device *dev, void *vaddr, size_t size, #define dma_is_consistent(d, h) (1) /* all we do is coherent memory... */ -static inline struct dma_mapping_ops *get_dma_ops(struct device *dev) -{ - return dma_ops; -} - #endif /* _ASM_IA64_DMA_MAPPING_H */ diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h index 6be3010d746..95e1708fa4e 100644 --- a/arch/ia64/include/asm/machvec.h +++ b/arch/ia64/include/asm/machvec.h @@ -45,6 +45,7 @@ typedef void ia64_mv_kernel_launch_event_t(void); /* DMA-mapping interface: */ typedef void ia64_mv_dma_init (void); +typedef struct dma_mapping_ops *ia64_mv_dma_get_ops(struct device *); /* * WARNING: The legacy I/O space is _architected_. Platforms are @@ -130,6 +131,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *); # define platform_global_tlb_purge ia64_mv.global_tlb_purge # define platform_tlb_migrate_finish ia64_mv.tlb_migrate_finish # define platform_dma_init ia64_mv.dma_init +# define platform_dma_get_ops ia64_mv.dma_get_ops # define platform_irq_to_vector ia64_mv.irq_to_vector # define platform_local_vector_to_irq ia64_mv.local_vector_to_irq # define platform_pci_get_legacy_mem ia64_mv.pci_get_legacy_mem @@ -172,6 +174,7 @@ struct ia64_machine_vector { ia64_mv_global_tlb_purge_t *global_tlb_purge; ia64_mv_tlb_migrate_finish_t *tlb_migrate_finish; ia64_mv_dma_init *dma_init; + ia64_mv_dma_get_ops *dma_get_ops; ia64_mv_irq_to_vector *irq_to_vector; ia64_mv_local_vector_to_irq *local_vector_to_irq; ia64_mv_pci_get_legacy_mem_t *pci_get_legacy_mem; @@ -210,6 +213,7 @@ struct ia64_machine_vector { platform_global_tlb_purge, \ platform_tlb_migrate_finish, \ platform_dma_init, \ + platform_dma_get_ops, \ platform_irq_to_vector, \ platform_local_vector_to_irq, \ platform_pci_get_legacy_mem, \ @@ -246,6 +250,7 @@ extern void machvec_init_from_cmdline(const char *cmdline); # endif /* CONFIG_IA64_GENERIC */ extern void swiotlb_dma_init(void); +extern struct dma_mapping_ops *dma_get_ops(struct device *); /* * Define default versions so we can extend machvec for new platforms without having @@ -279,6 +284,9 @@ extern void swiotlb_dma_init(void); #ifndef platform_dma_init # define platform_dma_init swiotlb_dma_init #endif +#ifndef platform_dma_get_ops +# define platform_dma_get_ops dma_get_ops +#endif #ifndef platform_irq_to_vector # define platform_irq_to_vector __ia64_irq_to_vector #endif |