crypto: inside-secure - do not parse the dma mask from dt

Remove the dma mask parsing from dt as this should not be encoded into
the engine device tree node. Keep the fallback value for now, which
should work for the boards already supported upstream.

Signed-off-by: Antoine Tenart <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: atenart

drivers/crypto/inside-secure/safexcel.c

@@ -773,7 +773,6 @@ static int safexcel_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct resource *res;
 	struct safexcel_crypto_priv *priv;
-	u64 dma_mask;
 	int i, ret;
 
 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -802,9 +801,7 @@ static int safexcel_probe(struct platform_device *pdev)
 			return -EPROBE_DEFER;
 	}
 
-	if (of_property_read_u64(dev->of_node, "dma-mask", &dma_mask))
-		dma_mask = DMA_BIT_MASK(64);
-	ret = dma_set_mask_and_coherent(dev, dma_mask);
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
 	if (ret)
 		goto err_clk;