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Date: Fri, 14 Oct 2011 11:08:22 +0530
From: Vinod Koul <vinod.koul@...el.com>
To: dan.j.williams@...el.com
Cc: linux-kernel@...r.kernel.org, jaswinder.singh@...aro.org,
21cnbao@...il.com, rmk@....linux.org.uk,
Vinod Koul <vinod.koul@...ux.intel.com>,
Grant Likely <grant.likely@...retlab.ca>,
Alan Cox <alan@...ux.intel.com>
Subject: [PATCH 07/10] spi, serial: move to dma_transfer_direction
From: Vinod Koul <vinod.koul@...ux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@...ux.intel.com>
Cc: Grant Likely <grant.likely@...retlab.ca>
Cc: Alan Cox <alan@...ux.intel.com>
---
drivers/spi/spi-dw-mid.c | 8 ++++----
drivers/spi/spi-ep93xx.c | 5 ++++-
drivers/spi/spi-pl022.c | 8 ++++----
drivers/spi/spi-topcliff-pch.c | 4 ++--
drivers/tty/serial/amba-pl011.c | 8 ++++----
drivers/tty/serial/pch_uart.c | 4 ++--
drivers/tty/serial/sh-sci.c | 4 ++--
7 files changed, 22 insertions(+), 19 deletions(-)
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index 130e555..0e88d91 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -131,7 +131,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
rxchan = dws->rxchan;
/* 2. Prepare the TX dma transfer */
- txconf.direction = DMA_TO_DEVICE;
+ txconf.direction = MEM_TO_DEV;
txconf.dst_addr = dws->dma_addr;
txconf.dst_maxburst = LNW_DMA_MSIZE_16;
txconf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
@@ -147,13 +147,13 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
txdesc = txchan->device->device_prep_slave_sg(txchan,
&dws->tx_sgl,
1,
- DMA_TO_DEVICE,
+ MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_DEST_UNMAP);
txdesc->callback = dw_spi_dma_done;
txdesc->callback_param = dws;
/* 3. Prepare the RX dma transfer */
- rxconf.direction = DMA_FROM_DEVICE;
+ rxconf.direction = DEV_TO_MEM;
rxconf.src_addr = dws->dma_addr;
rxconf.src_maxburst = LNW_DMA_MSIZE_16;
rxconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
@@ -169,7 +169,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
rxdesc = rxchan->device->device_prep_slave_sg(rxchan,
&dws->rx_sgl,
1,
- DMA_FROM_DEVICE,
+ DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_DEST_UNMAP);
rxdesc->callback = dw_spi_dma_done;
rxdesc->callback_param = dws;
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index 1cf6454..8754a39 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -550,6 +550,7 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
struct dma_async_tx_descriptor *txd;
enum dma_slave_buswidth buswidth;
struct dma_slave_config conf;
+ enum dma_transfer_direction slave_dirn;
struct scatterlist *sg;
struct sg_table *sgt;
struct dma_chan *chan;
@@ -572,6 +573,7 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
conf.src_addr = espi->sspdr_phys;
conf.src_addr_width = buswidth;
+ slave_dirn = DEV_TO_MEM;
} else {
chan = espi->dma_tx;
buf = t->tx_buf;
@@ -579,6 +581,7 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
conf.dst_addr = espi->sspdr_phys;
conf.dst_addr_width = buswidth;
+ slave_dirn = MEM_TO_DEV;
}
ret = dmaengine_slave_config(chan, &conf);
@@ -630,7 +633,7 @@ ep93xx_spi_dma_prepare(struct ep93xx_spi *espi, enum dma_data_direction dir)
return ERR_PTR(-ENOMEM);
txd = chan->device->device_prep_slave_sg(chan, sgt->sgl, nents,
- dir, DMA_CTRL_ACK);
+ slave_dirn, DMA_CTRL_ACK);
if (!txd) {
dma_unmap_sg(chan->device->dev, sgt->sgl, sgt->nents, dir);
return ERR_PTR(-ENOMEM);
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index 730b4a3..33bcca6 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -910,11 +910,11 @@ static int configure_dma(struct pl022 *pl022)
{
struct dma_slave_config rx_conf = {
.src_addr = SSP_DR(pl022->phybase),
- .direction = DMA_FROM_DEVICE,
+ .direction = DEV_TO_MEM,
};
struct dma_slave_config tx_conf = {
.dst_addr = SSP_DR(pl022->phybase),
- .direction = DMA_TO_DEVICE,
+ .direction = MEM_TO_DEV,
};
unsigned int pages;
int ret;
@@ -1051,7 +1051,7 @@ static int configure_dma(struct pl022 *pl022)
rxdesc = rxchan->device->device_prep_slave_sg(rxchan,
pl022->sgt_rx.sgl,
rx_sglen,
- DMA_FROM_DEVICE,
+ DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!rxdesc)
goto err_rxdesc;
@@ -1059,7 +1059,7 @@ static int configure_dma(struct pl022 *pl022)
txdesc = txchan->device->device_prep_slave_sg(txchan,
pl022->sgt_tx.sgl,
tx_sglen,
- DMA_TO_DEVICE,
+ MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!txdesc)
goto err_txdesc;
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 1d23f38..11232a0 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1051,7 +1051,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
}
sg = dma->sg_rx_p;
desc_rx = dma->chan_rx->device->device_prep_slave_sg(dma->chan_rx, sg,
- num, DMA_FROM_DEVICE,
+ num, DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc_rx) {
dev_err(&data->master->dev, "%s:device_prep_slave_sg Failed\n",
@@ -1086,7 +1086,7 @@ static void pch_spi_handle_dma(struct pch_spi_data *data, int *bpw)
}
sg = dma->sg_tx_p;
desc_tx = dma->chan_tx->device->device_prep_slave_sg(dma->chan_tx,
- sg, num, DMA_TO_DEVICE,
+ sg, num, MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc_tx) {
dev_err(&data->master->dev, "%s:device_prep_slave_sg Failed\n",
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index f5f6831..d5305af 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -268,7 +268,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap)
struct dma_slave_config tx_conf = {
.dst_addr = uap->port.mapbase + UART01x_DR,
.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
- .direction = DMA_TO_DEVICE,
+ .direction = MEM_TO_DEV,
.dst_maxburst = uap->fifosize >> 1,
};
struct dma_chan *chan;
@@ -301,7 +301,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap)
struct dma_slave_config rx_conf = {
.src_addr = uap->port.mapbase + UART01x_DR,
.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
- .direction = DMA_FROM_DEVICE,
+ .direction = DEV_TO_MEM,
.src_maxburst = uap->fifosize >> 1,
};
@@ -480,7 +480,7 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap)
return -EBUSY;
}
- desc = dma_dev->device_prep_slave_sg(chan, &dmatx->sg, 1, DMA_TO_DEVICE,
+ desc = dma_dev->device_prep_slave_sg(chan, &dmatx->sg, 1, MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE);
@@ -676,7 +676,7 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap)
&uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a;
dma_dev = rxchan->device;
desc = rxchan->device->device_prep_slave_sg(rxchan, &sgbuf->sg, 1,
- DMA_FROM_DEVICE,
+ DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
/*
* If the DMA engine is busy and cannot prepare a
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index b46218d..162189e 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -747,7 +747,7 @@ static int dma_handle_rx(struct eg20t_port *priv)
sg_dma_address(sg) = priv->rx_buf_dma;
desc = priv->chan_rx->device->device_prep_slave_sg(priv->chan_rx,
- sg, 1, DMA_FROM_DEVICE,
+ sg, 1, DEV_TO_MEM,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc)
@@ -906,7 +906,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
}
desc = priv->chan_tx->device->device_prep_slave_sg(priv->chan_tx,
- priv->sg_tx_p, nent, DMA_TO_DEVICE,
+ priv->sg_tx_p, nent, MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
dev_err(priv->port.dev, "%s:device_prep_slave_sg Failed\n",
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index dbd32a1..e147e65 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1207,7 +1207,7 @@ static void sci_submit_rx(struct sci_port *s)
struct dma_async_tx_descriptor *desc;
desc = chan->device->device_prep_slave_sg(chan,
- sg, 1, DMA_FROM_DEVICE, DMA_PREP_INTERRUPT);
+ sg, 1, DEV_TO_MEM, DMA_PREP_INTERRUPT);
if (desc) {
s->desc_rx[i] = desc;
@@ -1322,7 +1322,7 @@ static void work_fn_tx(struct work_struct *work)
BUG_ON(!sg_dma_len(sg));
desc = chan->device->device_prep_slave_sg(chan,
- sg, s->sg_len_tx, DMA_TO_DEVICE,
+ sg, s->sg_len_tx, MEM_TO_DEV,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
/* switch to PIO */
--
1.7.0.4
--
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