diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mxs.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mxs.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 89224913f578..081a1169ecea 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -25,6 +25,7 @@ #include <linux/of_device.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> +#include <linux/dma/mxs-dma.h> #define DRIVER_NAME "mxs-i2c" @@ -200,7 +201,8 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, dma_map_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE); desc = dmaengine_prep_slave_sg(i2c->dmach, &i2c->sg_io[0], 1, DMA_MEM_TO_DEV, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + DMA_PREP_INTERRUPT | + MXS_DMA_CTRL_WAIT4END); if (!desc) { dev_err(i2c->dev, "Failed to get DMA data write descriptor.\n"); @@ -228,7 +230,8 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, dma_map_sg(i2c->dev, &i2c->sg_io[1], 1, DMA_FROM_DEVICE); desc = dmaengine_prep_slave_sg(i2c->dmach, &i2c->sg_io[1], 1, DMA_DEV_TO_MEM, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + DMA_PREP_INTERRUPT | + MXS_DMA_CTRL_WAIT4END); if (!desc) { dev_err(i2c->dev, "Failed to get DMA data write descriptor.\n"); @@ -260,7 +263,8 @@ static int mxs_i2c_dma_setup_xfer(struct i2c_adapter *adap, dma_map_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE); desc = dmaengine_prep_slave_sg(i2c->dmach, i2c->sg_io, 2, DMA_MEM_TO_DEV, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + DMA_PREP_INTERRUPT | + MXS_DMA_CTRL_WAIT4END); if (!desc) { dev_err(i2c->dev, "Failed to get DMA data write descriptor.\n"); |