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Merge branch 'next/devel-dma-ops' into next/dt-samsung

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This commit is contained in:
Kukjin Kim 2012-07-13 07:15:08 +09:00
commit 4d3c463634
5 changed files with 105 additions and 81 deletions
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31
drivers/spi/spi-s3c64xx.c
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@ -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;
req.cap = DMA_SLAVE;
req.client = &s3c64xx_spi_dma_client;
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);
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;
}