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@baidu.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210908105715.1780-1-caihuoqing@baidu.com

diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 33c7671..b7cb2da 100644 (file)
--- 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);