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path: root/drivers/dma/ppc4xx
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Diffstat (limited to 'drivers/dma/ppc4xx')
-rw-r--r--drivers/dma/ppc4xx/adma.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index e68c51d13cb1..370ff8265630 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -2323,47 +2323,6 @@ static struct dma_async_tx_descriptor *ppc440spe_adma_prep_dma_memcpy(
}
/**
- * ppc440spe_adma_prep_dma_memset - prepare CDB for a MEMSET operation
- */
-static struct dma_async_tx_descriptor *ppc440spe_adma_prep_dma_memset(
- struct dma_chan *chan, dma_addr_t dma_dest, int value,
- size_t len, unsigned long flags)
-{
- struct ppc440spe_adma_chan *ppc440spe_chan;
- struct ppc440spe_adma_desc_slot *sw_desc, *group_start;
- int slot_cnt, slots_per_op;
-
- ppc440spe_chan = to_ppc440spe_adma_chan(chan);
-
- if (unlikely(!len))
- return NULL;
-
- BUG_ON(len > PPC440SPE_ADMA_DMA_MAX_BYTE_COUNT);
-
- spin_lock_bh(&ppc440spe_chan->lock);
-
- dev_dbg(ppc440spe_chan->device->common.dev,
- "ppc440spe adma%d: %s cal: %u len: %u int_en %d\n",
- ppc440spe_chan->device->id, __func__, value, len,
- flags & DMA_PREP_INTERRUPT ? 1 : 0);
-
- slot_cnt = slots_per_op = 1;
- sw_desc = ppc440spe_adma_alloc_slots(ppc440spe_chan, slot_cnt,
- slots_per_op);
- if (sw_desc) {
- group_start = sw_desc->group_head;
- ppc440spe_desc_init_memset(group_start, value, flags);
- ppc440spe_adma_set_dest(group_start, dma_dest, 0);
- ppc440spe_desc_set_byte_count(group_start, ppc440spe_chan, len);
- sw_desc->unmap_len = len;
- sw_desc->async_tx.flags = flags;
- }
- spin_unlock_bh(&ppc440spe_chan->lock);
-
- return sw_desc ? &sw_desc->async_tx : NULL;
-}
-
-/**
* ppc440spe_adma_prep_dma_xor - prepare CDB for a XOR operation
*/
static struct dma_async_tx_descriptor *ppc440spe_adma_prep_dma_xor(
@@ -4125,7 +4084,6 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev)
case PPC440SPE_DMA1_ID:
dma_cap_set(DMA_MEMCPY, adev->common.cap_mask);
dma_cap_set(DMA_INTERRUPT, adev->common.cap_mask);
- dma_cap_set(DMA_MEMSET, adev->common.cap_mask);
dma_cap_set(DMA_PQ, adev->common.cap_mask);
dma_cap_set(DMA_PQ_VAL, adev->common.cap_mask);
dma_cap_set(DMA_XOR_VAL, adev->common.cap_mask);
@@ -4151,10 +4109,6 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev)
adev->common.device_prep_dma_memcpy =
ppc440spe_adma_prep_dma_memcpy;
}
- if (dma_has_cap(DMA_MEMSET, adev->common.cap_mask)) {
- adev->common.device_prep_dma_memset =
- ppc440spe_adma_prep_dma_memset;
- }
if (dma_has_cap(DMA_XOR, adev->common.cap_mask)) {
adev->common.max_xor = XOR_MAX_OPS;
adev->common.device_prep_dma_xor =
@@ -4217,7 +4171,6 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev)
dma_has_cap(DMA_XOR, adev->common.cap_mask) ? "xor " : "",
dma_has_cap(DMA_XOR_VAL, adev->common.cap_mask) ? "xor_val " : "",
dma_has_cap(DMA_MEMCPY, adev->common.cap_mask) ? "memcpy " : "",
- dma_has_cap(DMA_MEMSET, adev->common.cap_mask) ? "memset " : "",
dma_has_cap(DMA_INTERRUPT, adev->common.cap_mask) ? "intr " : "");
}