linux-kernel - [PATCH] irqchip/stm32: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210908105715.1780-1-caihuoqing@baidu.com>
Date:   Wed, 8 Sep 2021 18:57:15 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        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] irqchip/stm32: 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/irqchip/irq-stm32-exti.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 33c76710f845..b7cb2da71888 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -850,7 +850,6 @@ static int stm32_exti_probe(struct platform_device *pdev)
 	struct irq_domain *parent_domain, *domain;
 	struct stm32_exti_host_data *host_data;
 	const struct stm32_exti_drv_data *drv_data;
-	struct resource *res;
 
 	host_data = devm_kzalloc(dev, sizeof(*host_data), GFP_KERNEL);
 	if (!host_data)
@@ -888,8 +887,7 @@ static int stm32_exti_probe(struct platform_device *pdev)
 	if (!host_data->chips_data)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host_data->base = devm_ioremap_resource(dev, res);
+	host_data->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(host_data->base))
 		return PTR_ERR(host_data->base);
 
-- 
2.25.1