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path: root/drivers/dma/ste_dma40.c
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Diffstat (limited to 'drivers/dma/ste_dma40.c')
-rw-r--r--drivers/dma/ste_dma40.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index c3052fbfd092..97e1d8b00e22 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2485,19 +2485,6 @@ static struct dma_async_tx_descriptor *d40_prep_memcpy(struct dma_chan *chan,
}
static struct dma_async_tx_descriptor *
-d40_prep_memcpy_sg(struct dma_chan *chan,
- struct scatterlist *dst_sg, unsigned int dst_nents,
- struct scatterlist *src_sg, unsigned int src_nents,
- unsigned long dma_flags)
-{
- if (dst_nents != src_nents)
- return NULL;
-
- return d40_prep_sg(chan, src_sg, dst_sg, src_nents,
- DMA_MEM_TO_MEM, dma_flags);
-}
-
-static struct dma_async_tx_descriptor *
d40_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
unsigned int sg_len, enum dma_transfer_direction direction,
unsigned long dma_flags, void *context)
@@ -2821,9 +2808,6 @@ static void d40_ops_init(struct d40_base *base, struct dma_device *dev)
dev->copy_align = DMAENGINE_ALIGN_4_BYTES;
}
- if (dma_has_cap(DMA_SG, dev->cap_mask))
- dev->device_prep_dma_sg = d40_prep_memcpy_sg;
-
if (dma_has_cap(DMA_CYCLIC, dev->cap_mask))
dev->device_prep_dma_cyclic = dma40_prep_dma_cyclic;
@@ -2865,7 +2849,6 @@ static int __init d40_dmaengine_init(struct d40_base *base,
dma_cap_zero(base->dma_memcpy.cap_mask);
dma_cap_set(DMA_MEMCPY, base->dma_memcpy.cap_mask);
- dma_cap_set(DMA_SG, base->dma_memcpy.cap_mask);
d40_ops_init(base, &base->dma_memcpy);
@@ -2883,7 +2866,6 @@ static int __init d40_dmaengine_init(struct d40_base *base,
dma_cap_zero(base->dma_both.cap_mask);
dma_cap_set(DMA_SLAVE, base->dma_both.cap_mask);
dma_cap_set(DMA_MEMCPY, base->dma_both.cap_mask);
- dma_cap_set(DMA_SG, base->dma_both.cap_mask);
dma_cap_set(DMA_CYCLIC, base->dma_slave.cap_mask);
d40_ops_init(base, &base->dma_both);