static void davinci_reinit_chan(struct mmc_davinci_host *host)
{
davinci_stop_dma(host->dma_tx_event);
davinci_clean_channel(host->dma_tx_event);
davinci_stop_dma(host->dma_rx_event);
davinci_clean_channel(host->dma_rx_event);
}
static void davinci_abort_dma(struct mmc_davinci_host *host)
{
int sync_dev = 0;
if (host->data_dir == DAVINCI_MMC_DATADIR_READ)
sync_dev = host->dma_tx_event;
else
sync_dev = host->dma_rx_event;
davinci_stop_dma(sync_dev);
davinci_clean_channel(sync_dev);
}
static void davinci_spi_dma_tx_callback(int lch, u16 ch_status, void *data)
{
struct spi_device *spi = (struct spi_device *)data;
struct davinci_spi *davinci_spi;
struct davinci_spi_dma *davinci_spi_dma;
davinci_spi = spi_master_get_devdata(spi->master);
davinci_spi_dma = &(davinci_spi->dma_channels[spi->chip_select]);
if (ch_status == DMA_COMPLETE)
davinci_stop_dma(davinci_spi_dma->dma_tx_channel);
else
davinci_clean_channel(davinci_spi_dma->dma_tx_channel);
complete(&davinci_spi_dma->dma_tx_completion);
/* We must disable the DMA TX request */
davinci_spi_set_dma_req(spi, 0);
}
