Use devm_platform_ioremap_resource() to simplify code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
        struct device *dev = &pdev->dev;
        struct sti_pwm_compat_data *cdata;
        struct sti_pwm_chip *pc;
-       struct resource *res;
        unsigned int i;
        int irq, ret;
 
        if (!cdata)
                return -ENOMEM;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-       pc->mmio = devm_ioremap_resource(dev, res);
+       pc->mmio = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(pc->mmio))
                return PTR_ERR(pc->mmio);