[5/5] staging: ccree: dma mask is type u64

Message ID 1515493478-30454-6-git-send-email-gilad@benyossef.com
State Accepted
Commit f24d41169af2c71e461bda74af8fb36349621b59
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  • more cleanups
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Commit Message

Gilad Ben-Yossef Jan. 9, 2018, 10:24 a.m.
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>

---
 drivers/staging/ccree/cc_driver.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

-- 
2.7.4

Patch

diff --git a/drivers/staging/ccree/cc_driver.c b/drivers/staging/ccree/cc_driver.c
index b49bc25..6682d9d 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);