linux-kernel - [PATCH] mailbox: xgene-slimpro: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210907074216.2655-1-caihuoqing@baidu.com>
Date:   Tue, 7 Sep 2021 15:42:15 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Jassi Brar <jassisinghbrar@...il.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] mailbox: xgene-slimpro: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/mailbox/mailbox-xgene-slimpro.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c b/drivers/mailbox/mailbox-xgene-slimpro.c
index 5b3a2dcd5955..946ea773ec33 100644
--- a/drivers/mailbox/mailbox-xgene-slimpro.c
+++ b/drivers/mailbox/mailbox-xgene-slimpro.c
@@ -170,7 +170,6 @@ static const struct mbox_chan_ops slimpro_mbox_ops = {
 static int slimpro_mbox_probe(struct platform_device *pdev)
 {
 	struct slimpro_mbox *ctx;
-	struct resource *regs;
 	void __iomem *mb_base;
 	int rc;
 	int i;
@@ -181,8 +180,7 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, ctx);
 
-	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mb_base = devm_ioremap_resource(&pdev->dev, regs);
+	mb_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mb_base))
 		return PTR_ERR(mb_base);
 
-- 
2.25.1