Hi Linus, On 12/09/2018 12:50 AM, Linus Walleij wrote: > 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? > I've sent a fix-up today: https://www.spinics.net/lists/linux-gpio/msg34996.html The build problem is reproduced, if the driver is selected as a kernel module. Please let me know, if you'd prefer to get a clean v2 of the original change instead. -- Best wishes, Vladimir