linux-kernel - [PATCH] mailbox: hi6220: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210907074111.2196-1-caihuoqing@baidu.com>
Date:   Tue, 7 Sep 2021 15:41:10 +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: hi6220: 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/hi6220-mailbox.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mailbox/hi6220-mailbox.c b/drivers/mailbox/hi6220-mailbox.c
index 560cd09538b1..fca61f5312d9 100644
--- a/drivers/mailbox/hi6220-mailbox.c
+++ b/drivers/mailbox/hi6220-mailbox.c
@@ -264,7 +264,6 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
 	struct device_node *node = pdev->dev.of_node;
 	struct device *dev = &pdev->dev;
 	struct hi6220_mbox *mbox;
-	struct resource *res;
 	int i, err;
 
 	mbox = devm_kzalloc(dev, sizeof(*mbox), GFP_KERNEL);
@@ -287,15 +286,13 @@ static int hi6220_mbox_probe(struct platform_device *pdev)
 	if (mbox->irq < 0)
 		return mbox->irq;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mbox->ipc = devm_ioremap_resource(dev, res);
+	mbox->ipc = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mbox->ipc)) {
 		dev_err(dev, "ioremap ipc failed\n");
 		return PTR_ERR(mbox->ipc);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	mbox->base = devm_ioremap_resource(dev, res);
+	mbox->base = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(mbox->base)) {
 		dev_err(dev, "ioremap buffer failed\n");
 		return PTR_ERR(mbox->base);
-- 
2.25.1