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arm: implement ->dma_supported instead of ->set_dma_mask 

Same behavior, less code duplication.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-05-22 11:53:36 +02:00
parent 69f07be622
commit 64273a61b2
1 changed files with 3 additions and 4 deletions
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7
arch/arm/common/dmabounce.c
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@ -445,12 +445,12 @@ static void dmabounce_sync_for_device(struct device *dev,
arm_dma_ops.sync_single_for_device(dev, handle, size, dir);
}
static int dmabounce_set_mask(struct device *dev, u64 dma_mask)
static int dmabounce_dma_supported(struct device *dev, u64 dma_mask)
{
if (dev->archdata.dmabounce)
return 0;
return arm_dma_ops.set_dma_mask(dev, dma_mask);
return arm_dma_ops.dma_supported(dev, dma_mask);
}
static int dmabounce_mapping_error(struct device *dev, dma_addr_t dma_addr)
@ -471,9 +471,8 @@ static const struct dma_map_ops dmabounce_ops = {
.unmap_sg = arm_dma_unmap_sg,
.sync_sg_for_cpu = arm_dma_sync_sg_for_cpu,
.sync_sg_for_device = arm_dma_sync_sg_for_device,
.set_dma_mask = dmabounce_set_mask,
.dma_supported = dmabounce_dma_supported,
.mapping_error = dmabounce_mapping_error,
.dma_supported = arm_dma_supported,
};
static int dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev,