On 01/04/17 19:09, Ilia Mirkin wrote:
> On Wed, Jan 4, 2017 at 9:52 PM, Randy Dunlap <rdunlap at infradead.org> wrote:
>> On 01/04/17 06:25, Ilia Mirkin wrote:
>>> On Wed, Jan 4, 2017 at 3:45 AM, Daniel Vetter <daniel at ffwll.ch> wrote:
>>>> On Sun, Jan 01, 2017 at 04:20:53PM -0800, Randy Dunlap wrote:
>>>>> From: Randy Dunlap <rdunlap at infradead.org>
>>>>>
>>>>> Fix build errors in nouveau driver when CONFIG_LEDS_CLASS=m and
>>>>> CONFIG_DRM_NOUVEAU=y.
>>>>> If LEDS_CLASS is enabled, DRM_NOUVEAU is restricted to the same
>>>>> kconfig value as LEDS_CLASS.
>>>>>
>>>>> drivers/built-in.o: In function `nouveau_do_suspend':
>>>>> nouveau_drm.c:(.text+0x2030b1): undefined reference to 
>>>>> `nouveau_led_suspend'
>>>>> drivers/built-in.o: In function `nouveau_do_resume':
>>>>> nouveau_drm.c:(.text+0x2034ca): undefined reference to 
>>>>> `nouveau_led_resume'
>>>>> drivers/built-in.o: In function `nouveau_drm_unload':
>>>>> nouveau_drm.c:(.text+0x203a15): undefined reference to `nouveau_led_fini'
>>>>> drivers/built-in.o: In function `nouveau_drm_load':
>>>>> nouveau_drm.c:(.text+0x204423): undefined reference to `nouveau_led_init'
>>>>>
>>>>> BTW, this line in Kbuild:
>>>>> nouveau-$(CONFIG_LEDS_CLASS) += nouveau_led.o
>>>>> does nothing when CONFIG_LEDS_CLASS=m and CONFIG_DRM_NOUVEAU=y.
>>>>>
>>>>> Signed-off-by: Randy Dunlap <rdunlap at infradead.org>
>>>>> Reported-by: kbuild test robot <fengguang.wu at intel.com>
>>>>> Cc: Martin Peres <martin.peres at free.fr>
>>>>> Cc: Ben Skeggs <bskeggs at redhat.com>
>>>>
>>>> Thrown into drm-misc, thanks.
>>>> -Daniel
>>>
>>> Wasn't there already a different solution from Martin for this, using
>>> IS_REACHABLE, instead of adding a dependency in Kconfig?
>>
>> nouveau_led.h contains a few lines that are bounded by
>> #if IS_ENABLED(CONFIG_LEDS_CLASS)
>>
>> but that's not sufficient.
>>
>> Is there another patch?
> 
> https://lists.freedesktop.org/archives/nouveau/2016-December/026744.html
> 
> Not sure why it's not upstream yet. I guess Ben missed it?

Ok, if you all are OK with a slightly crippled driver.


-- 
~Randy

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