dma: pl330: Convert to devm_ioremap_resource()

Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 31619c08a760..a17553f7c028 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -26,6 +26,7 @@
 #include <linux/scatterlist.h>
 #include <linux/of.h>
 #include <linux/of_dma.h>
+#include <linux/err.h>
 
 #include "dmaengine.h"
 #define PL330_MAX_CHAN          8
@@ -2903,9 +2904,9 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
         pi->mcbufsz = pdat ? pdat->mcbuf_sz : 0;
 
         res = &adev->res;
-        pi->base = devm_request_and_ioremap(&adev->dev, res);
-        if (!pi->base)
-                return -ENXIO;
+        pi->base = devm_ioremap_resource(&adev->dev, res);
+        if (IS_ERR(pi->base))
+                return PTR_ERR(pi->base);
 
         amba_set_drvdata(adev, pdmac);