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? Yours Tony
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