aboutsummaryrefslogtreecommitdiff
path: root/drivers/spi/spi-s3c64xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi-s3c64xx.c')
-rw-r--r--drivers/spi/spi-s3c64xx.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 972a94c58be3..3c36cfaa1b93 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -262,14 +262,24 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma,
unsigned len, dma_addr_t buf)
{
struct s3c64xx_spi_driver_data *sdd;
- struct samsung_dma_prep_info info;
+ struct samsung_dma_prep info;
+ struct samsung_dma_config config;
- if (dma->direction == DMA_DEV_TO_MEM)
+ if (dma->direction == DMA_DEV_TO_MEM) {
sdd = container_of((void *)dma,
struct s3c64xx_spi_driver_data, rx_dma);
- else
+ config.direction = sdd->rx_dma.direction;
+ config.fifo = sdd->sfr_start + S3C64XX_SPI_RX_DATA;
+ config.width = sdd->cur_bpw / 8;
+ sdd->ops->config(sdd->rx_dma.ch, &config);
+ } else {
sdd = container_of((void *)dma,
struct s3c64xx_spi_driver_data, tx_dma);
+ config.direction = sdd->tx_dma.direction;
+ config.fifo = sdd->sfr_start + S3C64XX_SPI_TX_DATA;
+ config.width = sdd->cur_bpw / 8;
+ sdd->ops->config(sdd->tx_dma.ch, &config);
+ }
info.cap = DMA_SLAVE;
info.len = len;
@@ -284,20 +294,15 @@ static void prepare_dma(struct s3c64xx_spi_dma_data *dma,
static int acquire_dma(struct s3c64xx_spi_driver_data *sdd)
{
- struct samsung_dma_info info;
+ struct samsung_dma_req req;
sdd->ops = samsung_dma_get_ops();
- info.cap = DMA_SLAVE;
- info.client = &s3c64xx_spi_dma_client;
- info.width = sdd->cur_bpw / 8;
-
- info.direction = sdd->rx_dma.direction;
- info.fifo = sdd->sfr_start + S3C64XX_SPI_RX_DATA;
- sdd->rx_dma.ch = sdd->ops->request(sdd->rx_dma.dmach, &info);
- info.direction = sdd->tx_dma.direction;
- info.fifo = sdd->sfr_start + S3C64XX_SPI_TX_DATA;
- sdd->tx_dma.ch = sdd->ops->request(sdd->tx_dma.dmach, &info);
+ req.cap = DMA_SLAVE;
+ req.client = &s3c64xx_spi_dma_client;
+
+ sdd->rx_dma.ch = sdd->ops->request(sdd->rx_dma.dmach, &req);
+ sdd->tx_dma.ch = sdd->ops->request(sdd->tx_dma.dmach, &req);
return 1;
}