linux-kernel - [PATCH] mailbox: bcm2835: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210907074056.2094-1-caihuoqing@baidu.com>
Date:   Tue, 7 Sep 2021 15:40:56 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Jassi Brar <jassisinghbrar@...il.com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        <bcm-kernel-feedback-list@...adcom.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-rpi-kernel@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH] mailbox: bcm2835: 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/bcm2835-mailbox.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mailbox/bcm2835-mailbox.c b/drivers/mailbox/bcm2835-mailbox.c
index 86b7ce3549c5..fbfd0202047c 100644
--- a/drivers/mailbox/bcm2835-mailbox.c
+++ b/drivers/mailbox/bcm2835-mailbox.c
@@ -137,7 +137,6 @@ static int bcm2835_mbox_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	int ret = 0;
-	struct resource *iomem;
 	struct bcm2835_mbox *mbox;
 
 	mbox = devm_kzalloc(dev, sizeof(*mbox), GFP_KERNEL);
@@ -153,8 +152,7 @@ static int bcm2835_mbox_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mbox->regs = devm_ioremap_resource(&pdev->dev, iomem);
+	mbox->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mbox->regs)) {
 		ret = PTR_ERR(mbox->regs);
 		return ret;
-- 
2.25.1