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dmaengine: initialize tx_list in dma_async_tx_descriptor_init 

Centralize this common initialization (and one case where ipu_idmac is
duplicating ->chan initialization).

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-03-25 09:13:24 -07:00
parent 8d47bae004
commit ccccce229c
7 changed files with 1 additions and 7 deletions
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1
drivers/dma/dmaengine.c
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@ -920,6 +920,7 @@ void dma_async_tx_descriptor_init(struct dma_async_tx_descriptor *tx,
{
tx->chan = chan;
spin_lock_init(&tx->lock);
INIT_LIST_HEAD(&tx->tx_list);
}
EXPORT_SYMBOL(dma_async_tx_descriptor_init);

1
drivers/dma/dw_dmac.c
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@ -826,7 +826,6 @@ static int dwc_alloc_chan_resources(struct dma_chan *chan)
dma_async_tx_descriptor_init(&desc->txd, chan);
desc->txd.tx_submit = dwc_tx_submit;
desc->txd.flags = DMA_CTRL_ACK;
INIT_LIST_HEAD(&desc->txd.tx_list);
desc->txd.phys = dma_map_single(chan2parent(chan), &desc->lli,
sizeof(desc->lli), DMA_TO_DEVICE);
dwc_desc_put(dwc, desc);

1
drivers/dma/fsldma.c
View File

@ -354,7 +354,6 @@ static struct fsl_desc_sw *fsl_dma_alloc_descriptor(
dma_async_tx_descriptor_init(&desc_sw->async_tx,
&fsl_chan->common);
desc_sw->async_tx.tx_submit = fsl_dma_tx_submit;
INIT_LIST_HEAD(&desc_sw->async_tx.tx_list);
desc_sw->async_tx.phys = pdesc;
}

1
drivers/dma/ioat_dma.c
View File

@ -693,7 +693,6 @@ static struct ioat_desc_sw *ioat_dma_alloc_descriptor(
desc_sw->async_tx.tx_submit = ioat2_tx_submit;
break;
}
INIT_LIST_HEAD(&desc_sw->async_tx.tx_list);
desc_sw->hw = desc;
desc_sw->async_tx.phys = phys;

1
drivers/dma/iop-adma.c
View File

@ -498,7 +498,6 @@ static int iop_adma_alloc_chan_resources(struct dma_chan *chan)
slot->async_tx.tx_submit = iop_adma_tx_submit;
INIT_LIST_HEAD(&slot->chain_node);
INIT_LIST_HEAD(&slot->slot_node);
INIT_LIST_HEAD(&slot->async_tx.tx_list);
hw_desc = (char *) iop_chan->device->dma_desc_pool;
slot->async_tx.phys =
(dma_addr_t) &hw_desc[idx * IOP_ADMA_SLOT_SIZE];

2
drivers/dma/ipu/ipu_idmac.c
View File

@ -983,8 +983,6 @@ static int idmac_desc_alloc(struct idmac_channel *ichan, int n)
memset(txd, 0, sizeof(*txd));
dma_async_tx_descriptor_init(txd, &ichan->dma_chan);
txd->tx_submit = idmac_tx_submit;
txd->chan = &ichan->dma_chan;
INIT_LIST_HEAD(&txd->tx_list);
list_add(&desc->list, &ichan->free_list);

1
drivers/dma/mv_xor.c
View File

@ -632,7 +632,6 @@ static int mv_xor_alloc_chan_resources(struct dma_chan *chan)
slot->async_tx.tx_submit = mv_xor_tx_submit;
INIT_LIST_HEAD(&slot->chain_node);
INIT_LIST_HEAD(&slot->slot_node);
INIT_LIST_HEAD(&slot->async_tx.tx_list);
hw_desc = (char *) mv_chan->device->dma_desc_pool;
slot->async_tx.phys =
(dma_addr_t) &hw_desc[idx * MV_XOR_SLOT_SIZE];