From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Jiri Kosina <jkosina@suse.cz>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
LinuxPPC-dev <linuxppc-dev@lists.ozlabs.org>,
Linux Kernel ML <linux-kernel@vger.kernel.org>
Subject: Re: linux-next bad Kconfig for drivers/hid
Date: Thu, 08 Dec 2011 21:33:20 -0800 [thread overview]
Message-ID: <4EE19DA0.5010705@goop.org> (raw)
In-Reply-To: <20111209012746.GC20353@thor.bakeyournoodle.com>
On 12/08/2011 05:27 PM, Tony Breeds 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"?
J
next prev parent reply other threads:[~2011-12-09 5:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-09 1:27 linux-next bad Kconfig for drivers/hid Tony Breeds
2011-12-09 5:33 ` Jeremy Fitzhardinge [this message]
2011-12-09 19:00 ` Randy Dunlap
2011-12-11 23:21 ` Jiri Kosina
2011-12-12 0:31 ` Tony Breeds
2011-12-15 10:08 ` Jiri Kosina
2011-12-15 11:44 ` Tony Breeds
2011-12-15 17:43 ` Randy Dunlap
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