staging: ccree: dma mask is type u64

The dma mask var was defined as dma_addr_t but should be
u64. This showed as a sparse warning when building for 32 bit.
Fix it by changing type to u64 and drop the cast.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/ccree/cc_driver.c b/drivers/staging/ccree/cc_driver.c
index b49bc25a2d55..6682d9d93931 100644
--- a/drivers/staging/ccree/cc_driver.c
+++ b/drivers/staging/ccree/cc_driver.c
@@ -156,7 +156,7 @@ static int init_cc_resources(struct platform_device *plat_dev)
         struct device *dev = &plat_dev->dev;
         struct device_node *np = dev->of_node;
         u32 signature_val;
-        dma_addr_t dma_mask;
+        u64 dma_mask;
         int rc = 0;
 
         new_drvdata = devm_kzalloc(dev, sizeof(*new_drvdata), GFP_KERNEL);
@@ -205,7 +205,7 @@ static int init_cc_resources(struct platform_device *plat_dev)
         if (!plat_dev->dev.dma_mask)
                 plat_dev->dev.dma_mask = &plat_dev->dev.coherent_dma_mask;
 
-        dma_mask = (dma_addr_t)(DMA_BIT_MASK(DMA_BIT_MASK_LEN));
+        dma_mask = DMA_BIT_MASK(DMA_BIT_MASK_LEN);
         while (dma_mask > 0x7fffffffUL) {
                 if (dma_supported(&plat_dev->dev, dma_mask)) {
                         rc = dma_set_coherent_mask(&plat_dev->dev, dma_mask);