On Thu, 8 Dec 2011, Jeremy Fitzhardinge wrote: > > Commit 4f5ca836bef3 (HID: hid-input: add support for HID devices > > reporting Battery Strength) went into linux-next on Dec 1st since then a > > ppc6xx_defconfig has been failing with: > > > > --- > > drivers/built-in.o: In function `hidinput_cleanup_battery': > > /scratch/tony/working/drivers/hid/hid-input.c:351: undefined reference to > > `power_supply_unregister' > > drivers/built-in.o: In function `hidinput_setup_battery': > > /scratch/tony/working/drivers/hid/hid-input.c:338: undefined reference to > > `power_supply_register' > > make[1]: *** [.tmp_vmlinux1] Error 1 > > --- > > > > http://kisskb.ellerman.id.au/kisskb/buildresult/5012563/ > > vs > > http://kisskb.ellerman.id.au/kisskb/buildresult/5017366/ > > > > The defconfig in question doens't mention either option > > (CONFIG_POWER_SUPPLY or CONFIG_HID_BATTERY_STRENGTH) and kbuild is > > genertaing > > CONFIG_HID_BATTERY_STRENGTH=y > > CONFIG_POWER_SUPPLY=m > > which clearly isn't going to work. > > > > The following change to HID_BATTERY_STRENGTH Kconfig "works" but seems a > > little gross. > > > > diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig > > index 5ed64f6..d2a94e6 100644 > > --- a/drivers/hid/Kconfig > > +++ b/drivers/hid/Kconfig > > @@ -33,7 +33,7 @@ config HID > > > > config HID_BATTERY_STRENGTH > > bool > > - depends on POWER_SUPPLY > > + depends on POWER_SUPPLY=y > > default y > > > > config HIDRAW > > > > Any chance we can get a fix into linux-next? > > Hm. How about making it "depends on HID && POWER_SUPPLY"? I think that > would needlessly disable it if HID is also modular, but I'm not sure how > to fix that. "depends on HID && POWER_SUPPLY && HID == POWER_SUPPLY"?
How about making it 'default POWER_SUPPLY' instead? I somehow feel that we'd rather avoid too much 'default y's. Thanks, -- Jiri Kosina SUSE Labs _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev