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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-12-13 15:53:31 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-12-13 15:53:31 +0000
commit474b9c86b0c65e9ca6a77d8b7bf132c4d5993b9c (patch)
tree9ce213f7a268d13f8871b84f1d22c2b9ff55afcf /drivers/spi/atmel_spi.c
parent49db7e7b995f5c61c5e24198f833ed01d99f5e7d (diff)
parentfdea0571ddca8e3f22448f66d72a034575abea28 (diff)
Merge branch 'topic/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into for-2.6.38
Diffstat (limited to 'drivers/spi/atmel_spi.c')
-rw-r--r--drivers/spi/atmel_spi.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 154529aacc03..a067046c9da2 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -352,8 +352,12 @@ atmel_spi_dma_map_xfer(struct atmel_spi *as, struct spi_transfer *xfer)
xfer->tx_dma = xfer->rx_dma = INVALID_DMA_ADDRESS;
if (xfer->tx_buf) {
+ /* tx_buf is a const void* where we need a void * for the dma
+ * mapping */
+ void *nonconst_tx = (void *)xfer->tx_buf;
+
xfer->tx_dma = dma_map_single(dev,
- (void *) xfer->tx_buf, xfer->len,
+ nonconst_tx, xfer->len,
DMA_TO_DEVICE);
if (dma_mapping_error(dev, xfer->tx_dma))
return -ENOMEM;