linux-kernel - Re: linux-next bad Kconfig for drivers/hid

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Date:	Mon, 12 Dec 2011 11:31:40 +1100
From:	Tony Breeds <tony@...eyournoodle.com>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	LinuxPPC-dev <linuxppc-dev@...ts.ozlabs.org>,
	Linux Kernel ML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next bad Kconfig for drivers/hid

On Mon, Dec 12, 2011 at 12:21:16AM +0100, Jiri Kosina wrote:
> On Thu, 8 Dec 2011, Jeremy Fitzhardinge wrote:
> > 
> > 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"?

That would work, but I think technically I think you could end up with
HID=m and POWER_SUPPLY=m which would still allow HID_BATTERY_STRENGTH=y
which is the same problem.

I don't know what kind of .config contortions you'd need to do to get
there.
 
> How about making it 'default POWER_SUPPLY' instead?

By itself that wont help as POWER_SUPPLY=m statisfies.

So it looks like we have Jeremy's:
	HID && POWER_SUPPLY && HID == POWER_SUPPLY
or my:
	POWER_SUPPLY=y

Yours Tony

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