From: Ding Xiang <dingxiang@cmss.chinamobile.com>
Date: Mon, 29 Jul 2019 09:01:22 +0000 (+0800)
Subject: net: ag71xx: use resource_size for the ioremap size
X-Git-Tag: v5.4-rc1~131^2~340
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c51ab067c5312695331129806cb9a42791903305;p=platform%2Fkernel%2Flinux-rpi.git

net: ag71xx: use resource_size for the ioremap size

use resource_size to calcuate ioremap size and make
the code simpler.

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index 8b69d0d..77542bd 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1686,7 +1686,7 @@ static int ag71xx_probe(struct platform_device *pdev)
 	}
 
 	ag->mac_base = devm_ioremap_nocache(&pdev->dev, res->start,
-					    res->end - res->start + 1);
+					    resource_size(res));
 	if (!ag->mac_base) {
 		err = -ENOMEM;
 		goto err_free;