spi: s3c64xx: fix casting warning

sdd->ops->request is unsigned int, not unsigned long.
Also, sdd->rx_dma.ch is a 'struct dma_chan *'.
Thus, (void *) is converted to (struct dma_chan *)(unsigned long),
in order to fix possible sparse warnings.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 702a5362aaac6169b386ac8ded41e5d5099ed192..c9d0b1273be9564cb76943f32958224d34b2ed02 100644 (file)
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -336,10 +336,10 @@ static int acquire_dma(struct s3c64xx_spi_driver_data *sdd)
        req.cap = DMA_SLAVE;
        req.client = &s3c64xx_spi_dma_client;
 
-       sdd->rx_dma.ch = (void *)sdd->ops->request(sdd->rx_dma.dmach,
-                                               &req, dev, "rx");
-       sdd->tx_dma.ch = (void *)sdd->ops->request(sdd->tx_dma.dmach,
-                                               &req, dev, "tx");
+       sdd->rx_dma.ch = (struct dma_chan *)(unsigned long)sdd->ops->request(
+                                       sdd->rx_dma.dmach, &req, dev, "rx");
+       sdd->tx_dma.ch = (struct dma_chan *)(unsigned long)sdd->ops->request(
+                                       sdd->tx_dma.dmach, &req, dev, "tx");
 
        return 1;
 }