1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index c19417e02208..17f9ff9067a2 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4013,7 +4013,7 @@ static int mv_platform_probe(struct platform_device *pdev)
 
         host->iomap = NULL;
         hpriv->base = devm_ioremap(&pdev->dev, res->start,
-                                   res->end - res->start + 1);
+                                   resource_size(res));
         hpriv->base -= SATAHC0_REG_BASE;
 
         /*