diff options
Diffstat (limited to 'drivers/spi/spi-pxa2xx-dma.c')
| -rw-r--r-- | drivers/spi/spi-pxa2xx-dma.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/drivers/spi/spi-pxa2xx-dma.c b/drivers/spi/spi-pxa2xx-dma.c index d77279c3acd8..08cb6e96ac94 100644 --- a/drivers/spi/spi-pxa2xx-dma.c +++ b/drivers/spi/spi-pxa2xx-dma.c @@ -68,8 +68,6 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data, enum dma_transfer_direction dir, struct spi_transfer *xfer) { - struct chip_data *chip = - spi_get_ctldata(drv_data->controller->cur_msg->spi); enum dma_slave_buswidth width; struct dma_slave_config cfg; struct dma_chan *chan; @@ -94,14 +92,14 @@ pxa2xx_spi_dma_prepare_one(struct driver_data *drv_data, if (dir == DMA_MEM_TO_DEV) { cfg.dst_addr = drv_data->ssp->phys_base + SSDR; cfg.dst_addr_width = width; - cfg.dst_maxburst = chip->dma_burst_size; + cfg.dst_maxburst = drv_data->controller_info->dma_burst_size; sgt = &xfer->tx_sg; chan = drv_data->controller->dma_tx; } else { cfg.src_addr = drv_data->ssp->phys_base + SSDR; cfg.src_addr_width = width; - cfg.src_maxburst = chip->dma_burst_size; + cfg.src_maxburst = drv_data->controller_info->dma_burst_size; sgt = &xfer->rx_sg; chan = drv_data->controller->dma_rx; @@ -225,19 +223,3 @@ void pxa2xx_spi_dma_release(struct driver_data *drv_data) controller->dma_tx = NULL; } } - -int pxa2xx_spi_set_dma_burst_and_threshold(struct chip_data *chip, - struct spi_device *spi, - u8 bits_per_word, u32 *burst_code, - u32 *threshold) -{ - struct driver_data *drv_data = spi_controller_get_devdata(spi->controller); - u32 dma_burst_size = drv_data->controller_info->dma_burst_size; - - /* We use the default the DMA burst size and FIFO thresholds for now */ - *burst_code = dma_burst_size; - *threshold = SSCR1_RxTresh(RX_THRESH_DFLT) - | SSCR1_TxTresh(TX_THRESH_DFLT); - - return 0; -} |