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>
 static int kona_pwmc_probe(struct platform_device *pdev)
 {
        struct kona_pwmc *kp;
-       struct resource *res;
        unsigned int chan;
        unsigned int value = 0;
        int ret = 0;
        kp->chip.of_xlate = of_pwm_xlate_with_flags;
        kp->chip.of_pwm_n_cells = 3;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       kp->base = devm_ioremap_resource(&pdev->dev, res);
+       kp->base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(kp->base))
                return PTR_ERR(kp->base);