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dmaengine/dma_slave: introduce inline wrappers

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Add inline wrappers for device_prep_slave_sg() and device_prep_dma_cyclic()
interfaces to hide new parameter from current users of affected interfaces.
Convert current users to use new wrappers instead of direct calls.
Suggested by Russell King [https://lkml.org/lkml/2012/2/3/269].

Signed-off-by: Alexandre Bounine <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Alexandre Bounine 2012-03-08 16:11:18 -05:00 • committed by Vinod Koul
commit 16052827d9
28 changed files with 67 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/spi/spi-dw-mid.c
View file

@ -146,7 +146,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
dws->tx_sgl.dma_address = dws->tx_dma;
dws->tx_sgl.length = dws->len;
txdesc = txchan->device->device_prep_slave_sg(txchan,
txdesc = dmaengine_prep_slave_sg(txchan,
&dws->tx_sgl,
1,
DMA_MEM_TO_DEV,
@ -169,7 +169,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
dws->rx_sgl.dma_address = dws->rx_dma;
dws->rx_sgl.length = dws->len;
rxdesc = rxchan->device->device_prep_slave_sg(rxchan,
rxdesc = dmaengine_prep_slave_sg(rxchan,
&dws->rx_sgl,
1,
DMA_DEV_TO_MEM,

4
drivers/spi/spi-ep93xx.c
View file

@ -633,8 +633,8 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
if (!nents)
return ERR_PTR(-ENOMEM);
txd = chan->device->device_prep_slave_sg(chan, sgt->sgl, nents,
slave_dirn, DMA_CTRL_ACK);
txd = dmaengine_prep_slave_sg(chan, sgt->sgl, nents,
slave_dirn, DMA_CTRL_ACK);
if (!txd) {
dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir);
return ERR_PTR(-ENOMEM);

4
drivers/spi/spi-pl022.c
View file

@ -1040,7 +1040,7 @@ static int configure_dma(struct pl022 *pl022)
goto err_tx_sgmap;
/* Send both scatterlists */
rxdesc = rxchan->device->device_prep_slave_sg(rxchan,
rxdesc = dmaengine_prep_slave_sg(rxchan,
pl022->sgt_rx.sgl,
rx_sglen,
DMA_DEV_TO_MEM,
@ -1048,7 +1048,7 @@ static int configure_dma(struct pl022 *pl022)
if (!rxdesc)
goto err_rxdesc;
txdesc = txchan->device->device_prep_slave_sg(txchan,
txdesc = dmaengine_prep_slave_sg(txchan,
pl022->sgt_tx.sgl,
tx_sglen,
DMA_MEM_TO_DEV,

4
drivers/spi/spi-topcliff-pch.c
View file

@ -1078,7 +1078,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
sg_dma_address(sg) = dma->rx_buf_dma + sg->offset;
}
sg = dma->sg_rx_p;
desc_rx = dma->chan_rx->device->device_prep_slave_sg(dma->chan_rx, sg,
desc_rx = dmaengine_prep_slave_sg(dma->chan_rx, sg,
num, DMA_DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc_rx) {
@ -1123,7 +1123,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
sg_dma_address(sg) = dma->tx_buf_dma + sg->offset;
}
sg = dma->sg_tx_p;
desc_tx = dma->chan_tx->device->device_prep_slave_sg(dma->chan_tx,
desc_tx = dmaengine_prep_slave_sg(dma->chan_tx,
sg, num, DMA_MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc_tx) {