diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-dw-mid.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c index 177e1f5ec62b..f9757a370699 100644 --- a/drivers/spi/spi-dw-mid.c +++ b/drivers/spi/spi-dw-mid.c @@ -106,6 +106,8 @@ static void mid_spi_dma_exit(struct dw_spi *dws) dmaengine_terminate_sync(dws->rxchan); dma_release_channel(dws->rxchan); } + + dw_writel(dws, DW_SPI_DMACR, 0); } static irqreturn_t dma_transfer(struct dw_spi *dws) @@ -152,6 +154,8 @@ static void dw_spi_dma_tx_done(void *arg) clear_bit(TX_BUSY, &dws->dma_chan_busy); if (test_bit(RX_BUSY, &dws->dma_chan_busy)) return; + + dw_writel(dws, DW_SPI_DMACR, 0); spi_finalize_current_transfer(dws->master); } @@ -199,6 +203,8 @@ static void dw_spi_dma_rx_done(void *arg) clear_bit(RX_BUSY, &dws->dma_chan_busy); if (test_bit(TX_BUSY, &dws->dma_chan_busy)) return; + + dw_writel(dws, DW_SPI_DMACR, 0); spi_finalize_current_transfer(dws->master); } @@ -292,6 +298,8 @@ static void mid_spi_dma_stop(struct dw_spi *dws) dmaengine_terminate_sync(dws->rxchan); clear_bit(RX_BUSY, &dws->dma_chan_busy); } + + dw_writel(dws, DW_SPI_DMACR, 0); } static const struct dw_spi_dma_ops mfld_dma_ops = { |