diff options
| author | Kukjin Kim <kgene.kim@samsung.com> | 2012-07-13 07:15:08 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-07-13 07:15:08 +0900 |
| commit | 4d3c463634ba5d0c0f053013cd947721e5e42393 (patch) | |
| tree | c97607d7d6db0597dffd2dc96854e706b54a8088 /drivers/spi | |
| parent | bd0a521e88aa7a06ae7aabaed7ae196ed4ad867a (diff) | |
| parent | 3688be49e901551756f4c570a8eb3b98b1e2bbe5 (diff) | |
| download | linux-4d3c463634ba5d0c0f053013cd947721e5e42393.tar.gz linux-4d3c463634ba5d0c0f053013cd947721e5e42393.tar.bz2 linux-4d3c463634ba5d0c0f053013cd947721e5e42393.zip | |
Merge branch 'next/devel-dma-ops' into next/dt-samsung
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-s3c64xx.c | 33 |
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; } |