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path: root/drivers/spi/omap2_mcspi.c
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Diffstat (limited to 'drivers/spi/omap2_mcspi.c')
-rw-r--r--drivers/spi/omap2_mcspi.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 951a160fc27..abb1ffbf3d2 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -397,7 +397,7 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
if (tx != NULL) {
wait_for_completion(&mcspi_dma->dma_tx_completion);
- dma_unmap_single(NULL, xfer->tx_dma, count, DMA_TO_DEVICE);
+ dma_unmap_single(&spi->dev, xfer->tx_dma, count, DMA_TO_DEVICE);
/* for TX_ONLY mode, be sure all words have shifted out */
if (rx == NULL) {
@@ -412,7 +412,7 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer)
if (rx != NULL) {
wait_for_completion(&mcspi_dma->dma_rx_completion);
- dma_unmap_single(NULL, xfer->rx_dma, count, DMA_FROM_DEVICE);
+ dma_unmap_single(&spi->dev, xfer->rx_dma, count, DMA_FROM_DEVICE);
omap2_mcspi_set_enable(spi, 0);
if (l & OMAP2_MCSPI_CHCONF_TURBO) {
@@ -1025,11 +1025,6 @@ static int omap2_mcspi_transfer(struct spi_device *spi, struct spi_message *m)
if (m->is_dma_mapped || len < DMA_MIN_BYTES)
continue;
- /* Do DMA mapping "early" for better error reporting and
- * dcache use. Note that if dma_unmap_single() ever starts
- * to do real work on ARM, we'd need to clean up mappings
- * for previous transfers on *ALL* exits of this loop...
- */
if (tx_buf != NULL) {
t->tx_dma = dma_map_single(&spi->dev, (void *) tx_buf,
len, DMA_TO_DEVICE);
@@ -1046,7 +1041,7 @@ static int omap2_mcspi_transfer(struct spi_device *spi, struct spi_message *m)
dev_dbg(&spi->dev, "dma %cX %d bytes error\n",
'R', len);
if (tx_buf != NULL)
- dma_unmap_single(NULL, t->tx_dma,
+ dma_unmap_single(&spi->dev, t->tx_dma,
len, DMA_TO_DEVICE);
return -EINVAL;
}