diff options
Diffstat (limited to 'drivers/spi/spi-dw-mid.c')
| -rw-r--r-- | drivers/spi/spi-dw-mid.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c index 3729cdd84e94..e614190daef6 100644 --- a/drivers/spi/spi-dw-mid.c +++ b/drivers/spi/spi-dw-mid.c @@ -270,11 +270,24 @@ static int mid_spi_dma_transfer(struct dw_spi *dws) return 0; } +static void mid_spi_dma_stop(struct dw_spi *dws) +{ + if (test_bit(TX_BUSY, &dws->dma_chan_busy)) { + dmaengine_terminate_all(dws->txchan); + clear_bit(TX_BUSY, &dws->dma_chan_busy); + } + if (test_bit(RX_BUSY, &dws->dma_chan_busy)) { + dmaengine_terminate_all(dws->rxchan); + clear_bit(RX_BUSY, &dws->dma_chan_busy); + } +} + static struct dw_spi_dma_ops mid_dma_ops = { .dma_init = mid_spi_dma_init, .dma_exit = mid_spi_dma_exit, .dma_setup = mid_spi_dma_setup, .dma_transfer = mid_spi_dma_transfer, + .dma_stop = mid_spi_dma_stop, }; #endif |