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IB/ipath: Remove ib_sg_dma_address() and ib_sg_dma_len() overloads

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The removal of these methods is compensated for by code changes to
.map_sg to insure that the vanilla sg_dma_address() and sg_dma_len()
will do the same thing as the equivalent former ib_sg_dma_address()
and ib_sg_dma_len() calls into the drivers.

The introduction of this patch required that the struct
ipath_dma_mapping_ops be converted to a C99 initializer.

Suggested-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Mike Marciniszyn 2014-03-28 15:04:43 -04:00 committed by Roland Dreier
parent 446bf432a9
commit 49c5c27e05
1 changed files with 15 additions and 28 deletions
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43
drivers/infiniband/hw/ipath/ipath_dma.c
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@ -115,6 +115,10 @@ static int ipath_map_sg(struct ib_device *dev, struct scatterlist *sgl,
ret = 0;
break;
}
sg->dma_address = addr + sg->offset;
#ifdef CONFIG_NEED_SG_DMA_LENGTH
sg->dma_length = sg->length;
#endif
}
return ret;
}
@ -126,21 +130,6 @@ static void ipath_unmap_sg(struct ib_device *dev,
BUG_ON(!valid_dma_direction(direction));
}
static u64 ipath_sg_dma_address(struct ib_device *dev, struct scatterlist *sg)
{
u64 addr = (u64) page_address(sg_page(sg));
if (addr)
addr += sg->offset;
return addr;
}
static unsigned int ipath_sg_dma_len(struct ib_device *dev,
struct scatterlist *sg)
{
return sg->length;
}
static void ipath_sync_single_for_cpu(struct ib_device *dev,
u64 addr,
size_t size,
@ -176,17 +165,15 @@ static void ipath_dma_free_coherent(struct ib_device *dev, size_t size,
}
struct ib_dma_mapping_ops ipath_dma_mapping_ops = {
ipath_mapping_error,
ipath_dma_map_single,
ipath_dma_unmap_single,
ipath_dma_map_page,
ipath_dma_unmap_page,
ipath_map_sg,
ipath_unmap_sg,
ipath_sg_dma_address,
ipath_sg_dma_len,
ipath_sync_single_for_cpu,
ipath_sync_single_for_device,
ipath_dma_alloc_coherent,
ipath_dma_free_coherent
.mapping_error = ipath_mapping_error,
.map_single = ipath_dma_map_single,
.unmap_single = ipath_dma_unmap_single,
.map_page = ipath_dma_map_page,
.unmap_page = ipath_dma_unmap_page,
.map_sg = ipath_map_sg,
.unmap_sg = ipath_unmap_sg,
.sync_single_for_cpu = ipath_sync_single_for_cpu,
.sync_single_for_device = ipath_sync_single_for_device,
.alloc_coherent = ipath_dma_alloc_coherent,
.free_coherent = ipath_dma_free_coherent
};