We can just use res directly.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/net/ethernet/atheros/ag71xx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index 9586b6894f7e..9c85450ce859 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1841,9 +1841,9 @@ static int ag71xx_probe(struct platform_device *pdev)
 		return PTR_ERR(ag->mac_reset);
 	}
 
-	ag->mac_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
-	if (!ag->mac_base)
-		return -ENOMEM;
+	ag->mac_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(ag->mac_base))
+		return PTR_ERR(ag->mac_base);
 
 	/* ensure that HW is in manual polling mode before interrupts are
 	 * activated. Otherwise ag71xx_interrupt might call napi_schedule
-- 
2.46.2