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Commit 69493e0b authored by Barry Song's avatar Barry Song Committed by Tejun Heo
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ata: ep93xx: use dmaengine_prep_slave_sg api instead of internal callback 



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

Signed-off-by: default avatarBarry Song <Baohua.Song@csr.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 754a292f

drivers/ata/pata_ep93xx.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -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

	struct dma_chan *channel = qc->dma_dir == DMA_TO_DEVICE

		? drv_data->dma_tx_channel : drv_data->dma_rx_channel;

		? drv_data->dma_tx_channel : drv_data->dma_rx_channel;





	txd = channel->device->device_prep_slave_sg(channel, qc->sg,

	txd = dmaengine_prep_slave_sg(channel, qc->sg, qc->n_elem, qc->dma_dir,

		 qc->n_elem, qc->dma_dir, DMA_CTRL_ACK, NULL);

		DMA_CTRL_ACK);

	if (!txd) {

	if (!txd) {

		dev_err(qc->ap->dev, "failed to prepare slave for sg dma\n");

		dev_err(qc->ap->dev, "failed to prepare slave for sg dma\n");

		return;

		return;