linux-kernel - Re: [PATCH] Thermal: introduce INT3406 thermal driver

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Message-ID: <CAMuHMdWHn+BcpPjr7x+Y1aRwUgBP54mH=4XpjB1VOd7T76-kjw@mail.gmail.com>
Date:	Mon, 8 Dec 2014 11:55:49 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	Aaron Lu <aaron.lu@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	Jim Davis <jim.epost@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: [PATCH] Thermal: introduce INT3406 thermal driver

On Mon, Dec 8, 2014 at 4:35 AM, Zhang Rui <rui.zhang@...el.com> wrote:
> On Tue, 2014-12-02 at 14:18 +0800, Aaron Lu wrote:
>> On 11/30/2014 08:22 PM, Zhang Rui wrote:
>> > On Fri, 2014-11-07 at 15:11 -0400, Eduardo Valentin wrote:
>> >> Hi,
>> >>
>> >> On Tue, Oct 28, 2014 at 02:11:59PM +0800, Aaron Lu wrote:
>> >>> Jim found that the current kernel may trigger a build error with some
>> >>> config: drivers/built-in.o: In function `int3406_thermal_probe':
>> >>> int3406_thermal.c:(.text+0x1d10b8): undefined reference to
>> >>> `acpi_video_get_levels'. The problem happens when CONFIG_THERMAL=y and
>> >>> CONFIG_ACPI_VIDEO=m. Solve the problem by separating a kernel config for
>> >>> int3406 thermal driver and add dependency on ACPI video for it.
>> >>>
>> >>> Reported-by: Jim Davis <jim.epost@...il.com>
>> >>> Signed-off-by: Aaron Lu <aaron.lu@...el.com>
>> >>
>> > Aaron, this is an incremental patch on top of the INT3406 driver patch.
>> > As, both patches have not been shipped in Linus' tree, please merge
>> > these two patches altogether and resend.
>>
>> OK, here it is:
>>
>> From 02d7abdcfe138e6cdee7572b10addce4f56d89eb Mon Sep 17 00:00:00 2001
>> From: Aaron Lu <aaron.lu@...el.com>
>> Date: Wed, 3 Sep 2014 15:15:02 +0800
>> Subject: [PATCH] Thermal: introduce INT3406 thermal driver
>>
>> INT3406 ACPI device object resembles an ACPI video output device, but its
>> _BCM is said to be deprecated and should not be used. So we will make
>> use of the raw interface to do the actual cooling. Due to this, the
>> backlight core has some modifications. Also, to re-use some of the ACPI
>> video module's code, one function has been exported.
>>
>> Signed-off-by: Aaron Lu <aaron.lu@...el.com>
>> Signed-off-by: Zhang Rui <rui.zhang@...el.com>
>
> applied.

Unfortunately drivers/thermal/int340x_thermal/Kconfig was missing
from the patch, hence "make oldconfig" now fails miserably with

drivers/thermal/Kconfig:265: can't open file
"drivers/thermal/int340x_thermal/Kconfig"

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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