Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma

[cascardo/linux.git] / drivers / dma / ppc4xx / adma.c

diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index e68c51d..370ff82 100644 (file)
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -2322,47 +2322,6 @@ static struct dma_async_tx_descriptor *ppc440spe_adma_prep_dma_memcpy(
        return sw_desc ? &sw_desc->async_tx : NULL;
 }
 
-/**
- * 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
  */
@@ -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 " : "");
 }