aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/dma-mapping.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/dma-mapping.h')
-rw-r--r--include/linux/dma-mapping.h19
1 files changed, 4 insertions, 15 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index f8ab1c0f589e..f9cc309507d9 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -133,10 +133,10 @@ struct dma_map_ops {
#ifdef ARCH_HAS_DMA_GET_REQUIRED_MASK
u64 (*get_required_mask)(struct device *dev);
#endif
- int is_phys;
};
extern const struct dma_map_ops dma_direct_ops;
+extern const struct dma_map_ops dma_noncoherent_ops;
extern const struct dma_map_ops dma_virt_ops;
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
@@ -502,7 +502,7 @@ dma_get_sgtable_attrs(struct device *dev, struct sg_table *sgt, void *cpu_addr,
#define dma_get_sgtable(d, t, v, h, s) dma_get_sgtable_attrs(d, t, v, h, s, 0)
#ifndef arch_dma_alloc_attrs
-#define arch_dma_alloc_attrs(dev, flag) (true)
+#define arch_dma_alloc_attrs(dev) (true)
#endif
static inline void *dma_alloc_attrs(struct device *dev, size_t size,
@@ -521,7 +521,7 @@ static inline void *dma_alloc_attrs(struct device *dev, size_t size,
/* let the implementation decide on the zone to allocate from: */
flag &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
- if (!arch_dma_alloc_attrs(&dev, &flag))
+ if (!arch_dma_alloc_attrs(&dev))
return NULL;
if (!ops->alloc)
return NULL;
@@ -572,14 +572,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
return 0;
}
-/*
- * This is a hack for the legacy x86 forbid_dac and iommu_sac_force. Please
- * don't use this in new code.
- */
-#ifndef arch_dma_supported
-#define arch_dma_supported(dev, mask) (1)
-#endif
-
static inline void dma_check_mask(struct device *dev, u64 mask)
{
if (sme_active() && (mask < (((u64)sme_get_me_mask() << 1) - 1)))
@@ -592,9 +584,6 @@ static inline int dma_supported(struct device *dev, u64 mask)
if (!ops)
return 0;
- if (!arch_dma_supported(dev, mask))
- return 0;
-
if (!ops->dma_supported)
return 1;
return ops->dma_supported(dev, mask);
@@ -839,7 +828,7 @@ static inline int dma_mmap_wc(struct device *dev,
#define dma_mmap_writecombine dma_mmap_wc
#endif
-#if defined(CONFIG_NEED_DMA_MAP_STATE) || defined(CONFIG_DMA_API_DEBUG)
+#ifdef CONFIG_NEED_DMA_MAP_STATE
#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME
#define DEFINE_DMA_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME
#define dma_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)