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authorPaul Mundt <lethal@linux-sh.org>2010-12-22 06:56:10 +0300
committerPaul Mundt <lethal@linux-sh.org>2010-12-22 06:56:10 +0300
commit7ccbefe07ea0a3570e44d1ec13a307552ee4dadd (patch)
treeba0299694a9f3940f289b6a29cadab853906e3d2 /drivers/spi/atmel_spi.c
parent623eb15647fc35c5a8cd38985d5958240eb072c1 (diff)
parent90a8a73c06cc32b609a880d48449d7083327e11a (diff)
downloadlinux-7ccbefe07ea0a3570e44d1ec13a307552ee4dadd.tar.xz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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;