Instead of having to define the match table to NULL if CONFIG_OF isn't
set, use the of_match_ptr() macro which will do this for us.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
 {
        return NULL;
 }
-#define of_gpio_leds_match NULL
 #endif /* CONFIG_OF_GPIO */
 
 
        .driver         = {
                .name   = "leds-gpio",
                .owner  = THIS_MODULE,
-               .of_match_table = of_gpio_leds_match,
+               .of_match_table = of_match_ptr(of_gpio_leds_match),
        },
 };