Calling platform_get_irq_optional() doesn't make sense if you then bail out
on any error it returns.  Switch to calling platform_get_irq() instead and
remove dev_err() call as platform_get_irq() already curses loudly on error.
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
        charger->dev = dev;
        platform_set_drvdata(pdev, charger);
 
-       irq = platform_get_irq_optional(to_platform_device(dev->parent), 0);
-       if (irq < 0) {
-               dev_err(dev, "get irq fail: %d\n", irq);
+       irq = platform_get_irq(to_platform_device(dev->parent), 0);
+       if (irq < 0)
                return irq;
-       }
 
        for (i = 0; i < MP2629_MAX_FIELD; i++) {
                charger->regmap_fields[i] = devm_regmap_field_alloc(dev,