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spi/s3c64xx: Fix compilation warning 

Fix compilation warning by typecasting the tx_buf pointer.

[I'm not thrilled with resorting to a cast; but I cannot see a better
way to go about this.  I don't want to drop the const from struct
spi_transfer ~~glikely]

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Jassi Brar 2010-09-03 10:36:26 +09:00 committed by Grant Likely
parent e3e55ff585
commit 251ee478f2
1 changed files with 3 additions and 2 deletions
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5
drivers/spi/spi_s3c64xx.c
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@ -508,8 +508,9 @@ static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd,
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
if (xfer->tx_buf != NULL) {
xfer->tx_dma = dma_map_single(dev, xfer->tx_buf,
xfer->len, DMA_TO_DEVICE);
xfer->tx_dma = dma_map_single(dev,
(void *)xfer->tx_buf, xfer->len,
DMA_TO_DEVICE);
if (dma_mapping_error(dev, xfer->tx_dma)) {
dev_err(dev, "dma_map_single Tx failed\n");
xfer->tx_dma = XFER_DMAADDR_INVALID;