linux-kernel - [PATCH] mailbox: stm32-ipcc: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210907074154.2502-1-caihuoqing@baidu.com>
Date:   Tue, 7 Sep 2021 15:41:53 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Jassi Brar <jassisinghbrar@...il.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH] mailbox: stm32-ipcc: 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/stm32-ipcc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c
index b84e0587937c..15d538fe2113 100644
--- a/drivers/mailbox/stm32-ipcc.c
+++ b/drivers/mailbox/stm32-ipcc.c
@@ -205,7 +205,6 @@ static int stm32_ipcc_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
 	struct stm32_ipcc *ipcc;
-	struct resource *res;
 	unsigned long i;
 	int ret;
 	u32 ip_ver;
@@ -235,8 +234,7 @@ static int stm32_ipcc_probe(struct platform_device *pdev)
 	}
 
 	/* regs */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ipcc->reg_base = devm_ioremap_resource(dev, res);
+	ipcc->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ipcc->reg_base))
 		return PTR_ERR(ipcc->reg_base);
 
-- 
2.25.1