irqchip/irq-ts4800: 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/20210908105708.1729-1-caihuoqing@baidu.com

diff --git a/drivers/irqchip/irq-ts4800.c b/drivers/irqchip/irq-ts4800.c
index 34337a6..f032db2 100644 (file)
--- a/drivers/irqchip/irq-ts4800.c
+++ b/drivers/irqchip/irq-ts4800.c
@@ -93,15 +93,13 @@ static int ts4800_ic_probe(struct platform_device *pdev)
        struct device_node *node = pdev->dev.of_node;
        struct ts4800_irq_data *data;
        struct irq_chip *irq_chip;
-       struct resource *res;
        int parent_irq;
 
        data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       data->base = devm_ioremap_resource(&pdev->dev, res);
+       data->base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(data->base))
                return PTR_ERR(data->base);