On Fri, Mar 22, 2019 at 10:05:15PM +1100, Ian W MORRISON wrote: Thanks for the patch, my comments below. > Patch ca876c7483b6 "gpiolib-acpi: make sure we trigger edge events at > least once on boot" causes the MINIX family of mini PCs to fail to boot > resulting in a "black screen". > This patch excludes MINIX devices from executing this trigger in order > to successfully boot. Hmm... Feels like this is symptomatic healing. Hans, do you have anything in mind about this case? > #include <linux/interrupt.h> > #include <linux/mutex.h> > #include <linux/pinctrl/pinctrl.h> > +#include <linux/dmi.h> This should be in order. > /* Run deferred acpi_gpiochip_request_irqs() */ > +/* but exclude devices known to fail */ /* * This should be done in the similar style * as for multi-line comments. Like this one. */ > + dmi_id = dmi_first_match(skip_deferred_request_irqs_table); > + Redundant blank line. > + if (! dmi_id) { No space here, however, better to write positive conditional. -- With Best Regards, Andy Shevchenko