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staging: ccree: dma mask is type u64

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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>
This commit is contained in:
Gilad Ben-Yossef 2018-01-09 10:24:33 +00:00 • committed by Greg Kroah-Hartman
commit f24d41169a
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/ccree/cc_driver.c
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@ -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);