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ata: ep93xx: use dmaengine_prep_slave_sg api instead of internal callback

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it is better to use generic api instead of calling an internal callback
like channel->device->device_prep_slave_sg().

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Barry Song 2014-05-25 17:19:05 +08:00 committed by Tejun Heo
parent 754a292fe6
commit 69493e0b0a
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/pata_ep93xx.c
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@ -708,8 +708,8 @@ static void ep93xx_pata_dma_start(struct ata_queued_cmd *qc)
struct dma_chan *channel = qc->dma_dir == DMA_TO_DEVICE
? drv_data->dma_tx_channel : drv_data->dma_rx_channel;
txd = channel->device->device_prep_slave_sg(channel, qc->sg,
qc->n_elem, qc->dma_dir, DMA_CTRL_ACK, NULL);
txd = dmaengine_prep_slave_sg(channel, qc->sg, qc->n_elem, qc->dma_dir,
DMA_CTRL_ACK);
if (!txd) {
dev_err(qc->ap->dev, "failed to prepare slave for sg dma\n");
return;