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dma-mapping: make the get_required_mask method available unconditionally

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This save some duplication for ia64, and makes the interface more
general.  In the long run we want each dma_map_ops instance to fill this
out, but this will take a little more prep work.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Christoph Hellwig
2018-09-06 19:27:24 -04:00
parent b733116fea
commit c6d4381220
9 changed files with 13 additions and 48 deletions
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7
arch/ia64/include/asm/machvec.h
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@@ -44,7 +44,6 @@ typedef void ia64_mv_kernel_launch_event_t(void);
/* DMA-mapping interface: */
typedef void ia64_mv_dma_init (void);
typedef u64 ia64_mv_dma_get_required_mask (struct device *);
typedef const struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
/*
@@ -127,7 +126,6 @@ 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_required_mask ia64_mv.dma_get_required_mask
# 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
@@ -171,7 +169,6 @@ 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_required_mask *dma_get_required_mask;
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;
@@ -211,7 +208,6 @@ struct ia64_machine_vector {
platform_global_tlb_purge, \
platform_tlb_migrate_finish, \
platform_dma_init, \
platform_dma_get_required_mask, \
platform_dma_get_ops, \
platform_irq_to_vector, \
platform_local_vector_to_irq, \
@@ -286,9 +282,6 @@ extern const struct dma_map_ops *dma_get_ops(struct device *);
#ifndef platform_dma_get_ops
# define platform_dma_get_ops dma_get_ops
#endif
#ifndef platform_dma_get_required_mask
# define platform_dma_get_required_mask ia64_dma_get_required_mask
#endif
#ifndef platform_irq_to_vector
# define platform_irq_to_vector __ia64_irq_to_vector
#endif