On Sat, Dec 8, 2018 at 12:38 AM kbuild test robot <lkp@xxxxxxxxx> wrote: > >> ERROR: "irq_chip_retrigger_hierarchy" [drivers/gpio/gpio-lpc18xx.ko] undefined! Hm is this patch requireing something that is not upstream yet or need to select something in Kconfig or so? Yours, Linus Walleij