dmaengine: hidma: Constify returned by device_get_match_data() value

The value under the hood is constant in any case. It makes sense to show this explicitly.

Fixes 95fbfb7aa28d ("dmaengine: qcom_hidma: Add support for the new

revision")

Cc Sinan Kaya <[email protected]>

Cc Sakari Ailus <[email protected]>

Cc Vinod Koul <[email protected]>

Signed-off-by Andy Shevchenko <[email protected]>

---
 drivers/dma/qcom/hidma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

drivers/dma/qcom/hidma.c +2 -2

index 963cc5228d05..24e163cefb7c 100644
@@ -743,9 +743,9 @@ static int hidma_request_msi(struct hidma_dev
 *dmadev,
 
 static bool hidma_test_capability(struct device *dev, enum hidma_cap
 test_cap)
 {
-	enum hidma_cap cap;
+	const enum hidma_cap cap;
 
-	cap = (enum hidma_cap) device_get_match_data(dev);
+	cap = (const enum hidma_cap) device_get_match_data(dev);
 	return cap ? ((cap & test_cap) > 0) : 0;

}