On Monday, July 07, 2014 04:54:23 PM Daniel Vetter wrote: > On Wed, Jun 25, 2014 at 01:01:36AM +0200, Rafael J. Wysocki wrote: > > On Tuesday, June 24, 2014 02:43:02 PM Jani Nikula wrote: > > > On Thu, 19 Jun 2014, Randy Dunlap <rdunlap at infradead.org> wrote: > > > > On 06/18/14 23:16, Stephen Rothwell wrote: > > > >> Hi all, > > > >> > > > >> The powerpc allyesconfig is again broken more than usual. > > > >> > > > >> Changes since 20140618: > > > >> > > > > > > > > on i386: > > > > > > > > CONFIG_ACPI is not enabled. > > > > > > > > CC drivers/gpu/drm/i915/i915_drv.o > > > > ../drivers/gpu/drm/i915/i915_drv.c: In function 'i915_drm_freeze': > > > > ../drivers/gpu/drm/i915/i915_drv.c:547:2: error: implicit declaration > > > > of function 'acpi_target_system_state' > > > > [-Werror=implicit-function-declaration] > > > > ../drivers/gpu/drm/i915/i915_drv.c:547:36: error: 'ACPI_STATE_S3' > > > > undeclared (first use in this function) > > > > ../drivers/gpu/drm/i915/i915_drv.c:547:36: note: each undeclared > > > > identifier is reported only once for each function it appears in > > > > CC net/dccp/qpolicy.o > > > > cc1: some warnings being treated as errors > > > > make[5]: *** [drivers/gpu/drm/i915/i915_drv.o] Error 1 > > > > > > Thanks for the report, we'll fix it. > > > > > > Can anyone explain why include/linux/acpi_bus.h has #ifdef > > > CONFIG_ACPI_SLEEP and conditional build for a dummy inline version of > > > acpi_target_system_state(), *but* that does not get included or used if > > > CONFIG_ACPI=n? Additionally, the combination of CONFIG_ACPI=y and > > > CONFIG_ACPI_SLEEP=n does not seem to work at all. > > > > These two things look like bugs to me. Most likely not tested thoruoughly > > enough. > > > > > So we'll really have to sprinkle #ifdef CONFIG_ACPI all over, instead of > > > neatly using the dummy versions that someone has gone through the > > > trouble of adding? > > > > No, we don't have to. > > Back from my vacation and I didn't see a conclusion to this issue here. > Rafael, have you fixed this in your acpi tree or do I need to do something > in drm-intel?
I was on vacation too. :-) Please have a look if i915 includes acpi/acpi_bus.h directly anywhere. If so, it should include linux/acpi.h instead. I'll fix up the rest in the ACPI tree. Rafael
