[PATCHv4 dmaengine 1/2] dmaengine: mv_xor: use devm_platform_ioremap_resource

[Rosen Penev <rosenp@gmail.com>]

Simplifies probe slightly by removing explicit struct resource pointers
and platform_get_resource calls.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/dma/mv_xor.c | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 5e8386296046..3597ad8d1220 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1309,7 +1309,6 @@ static int mv_xor_probe(struct platform_device *pdev)
 	const struct mbus_dram_target_info *dram;
 	struct mv_xor_device *xordev;
 	struct mv_xor_platform_data *pdata = dev_get_platdata(&pdev->dev);
-	struct resource *res;
 	unsigned int max_engines, max_channels;
 	int i, ret;
 
@@ -1319,23 +1318,13 @@ static int mv_xor_probe(struct platform_device *pdev)
 	if (!xordev)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
+	xordev->xor_base = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(xordev->xor_base))
+		return PTR_ERR(xordev->xor_base);
 
-	xordev->xor_base = devm_ioremap(&pdev->dev, res->start,
-					resource_size(res));
-	if (!xordev->xor_base)
-		return -EBUSY;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!res)
-		return -ENODEV;
-
-	xordev->xor_high_base = devm_ioremap(&pdev->dev, res->start,
-					     resource_size(res));
-	if (!xordev->xor_high_base)
-		return -EBUSY;
+	xordev->xor_high_base = devm_platform_ioremap_resource(pdev, 1);
+	if (IS_ERR(xordev->xor_high_base))
+		return PTR_ERR(xordev->xor_high_base);
 
 	platform_set_drvdata(pdev, xordev);
 
-- 
2.51.2