dma: mv_xor: use resource_size()

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Dan Williams <dan.j.williams@intel.com> (supporter:ASYNCHRONOUS TRAN...)
Cc: Vinod Koul <vinod.koul@intel.com> (supporter:DMA GENERIC OFFLO...)
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 954e334e01bb..9a353c2216d0 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1305,7 +1305,7 @@ static int mv_xor_shared_probe(struct platform_device *pdev)
                 return -ENODEV;
 
         msp->xor_base = devm_ioremap(&pdev->dev, res->start,
-                                     res->end - res->start + 1);
+                                     resource_size(res));
         if (!msp->xor_base)
                 return -EBUSY;
 
@@ -1314,7 +1314,7 @@ static int mv_xor_shared_probe(struct platform_device *pdev)
                 return -ENODEV;
 
         msp->xor_high_base = devm_ioremap(&pdev->dev, res->start,
-                                          res->end - res->start + 1);
+                                          resource_size(res));
         if (!msp->xor_high_base)
                 return -EBUSY;