netdev - [PATCH] net: ag71xx: use resource

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Message-Id: <1564390882-28002-1-git-send-email-dingxiang@cmss.chinamobile.com>
Date:   Mon, 29 Jul 2019 17:01:22 +0800
From:   Ding Xiang <dingxiang@...s.chinamobile.com>
To:     jcliburn@...il.com, chris.snook@...il.com, davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...s.chinamobile.com>
---
 drivers/net/ethernet/atheros/ag71xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
-- 
1.9.1