summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/dma/mxs-dma.c4
-rw-r--r--drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c17
-rw-r--r--include/linux/dma/mxs-dma.h2
3 files changed, 15 insertions, 8 deletions
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 62ee9328aea1..c622bee7eb12 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -541,7 +541,7 @@ static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg(
ccw->bits = 0;
ccw->bits |= CCW_IRQ;
ccw->bits |= CCW_DEC_SEM;
- if (flags & DMA_CTRL_ACK)
+ if (flags & MXS_DMA_CTRL_WAIT4END)
ccw->bits |= CCW_WAIT4END;
ccw->bits |= CCW_HALT_ON_TERM;
ccw->bits |= CCW_TERM_FLUSH;
@@ -573,7 +573,7 @@ static struct dma_async_tx_descriptor *mxs_dma_prep_slave_sg(
ccw->bits &= ~CCW_CHAIN;
ccw->bits |= CCW_IRQ;
ccw->bits |= CCW_DEC_SEM;
- if (flags & DMA_CTRL_ACK)
+ if (flags & MXS_DMA_CTRL_WAIT4END)
ccw->bits |= CCW_WAIT4END;
}
}
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 45c7b91aae23..d088b3e77fef 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -926,7 +926,8 @@ static int gpmi_send_command(struct gpmi_nand_data *this)
sg_init_one(sgl, this->cmd_buffer, this->command_length);
dma_map_sg(this->dev, sgl, 1, DMA_TO_DEVICE);
desc = dmaengine_prep_slave_sg(channel,
- sgl, 1, DMA_MEM_TO_DEV, DMA_CTRL_ACK);
+ sgl, 1, DMA_MEM_TO_DEV,
+ MXS_DMA_CTRL_WAIT4END);
if (!desc)
return -EINVAL;
@@ -996,7 +997,8 @@ static int gpmi_send_data(struct gpmi_nand_data *this, const void *buf, int len)
/* [2] send DMA request */
prepare_data_dma(this, buf, len, DMA_TO_DEVICE);
desc = dmaengine_prep_slave_sg(channel, &this->data_sgl,
- 1, DMA_MEM_TO_DEV, DMA_CTRL_ACK);
+ 1, DMA_MEM_TO_DEV,
+ MXS_DMA_CTRL_WAIT4END);
if (!desc)
return -EINVAL;
@@ -1033,7 +1035,8 @@ static int gpmi_read_data(struct gpmi_nand_data *this, void *buf, int len)
/* [2] : send DMA request */
direct = prepare_data_dma(this, buf, len, DMA_FROM_DEVICE);
desc = dmaengine_prep_slave_sg(channel, &this->data_sgl,
- 1, DMA_DEV_TO_MEM, DMA_CTRL_ACK);
+ 1, DMA_DEV_TO_MEM,
+ MXS_DMA_CTRL_WAIT4END);
if (!desc)
return -EINVAL;
@@ -1083,7 +1086,8 @@ static int gpmi_send_page(struct gpmi_nand_data *this, dma_addr_t payload,
pio[5] = auxiliary;
desc = mxs_dmaengine_prep_pio(channel, pio, ARRAY_SIZE(pio),
- DMA_TRANS_NONE, DMA_CTRL_ACK);
+ DMA_TRANS_NONE,
+ MXS_DMA_CTRL_WAIT4END);
if (!desc)
return -EINVAL;
@@ -1140,7 +1144,8 @@ static int gpmi_read_page(struct gpmi_nand_data *this, dma_addr_t payload,
pio[4] = payload;
pio[5] = auxiliary;
desc = mxs_dmaengine_prep_pio(channel, pio, ARRAY_SIZE(pio),
- DMA_TRANS_NONE, DMA_CTRL_ACK);
+ DMA_TRANS_NONE,
+ MXS_DMA_CTRL_WAIT4END);
if (!desc)
return -EINVAL;
@@ -1157,7 +1162,7 @@ static int gpmi_read_page(struct gpmi_nand_data *this, dma_addr_t payload,
pio[1] = 0;
pio[2] = 0; /* clear GPMI_HW_GPMI_ECCCTRL, disable the BCH. */
desc = mxs_dmaengine_prep_pio(channel, pio, 3, DMA_TRANS_NONE,
- DMA_CTRL_ACK);
+ MXS_DMA_CTRL_WAIT4END);
if (!desc)
return -EINVAL;
diff --git a/include/linux/dma/mxs-dma.h b/include/linux/dma/mxs-dma.h
index 092b2a7b92ac..4a33f2c8a682 100644
--- a/include/linux/dma/mxs-dma.h
+++ b/include/linux/dma/mxs-dma.h
@@ -4,6 +4,8 @@
#include <linux/dmaengine.h>
+#define MXS_DMA_CTRL_WAIT4END BIT(31)
+
/*
* The mxs dmaengine can do PIO transfers. We pass a pointer to the PIO words
* in the second argument to dmaengine_prep_slave_sg when the direction is