linux-kernel - Re: [patch] dvb: build failure fix

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Date:	Wed, 30 Apr 2008 15:31:42 -0400
From:	mkrufky@...uxtv.org
To:	bunk@...nel.org
Cc:	mchehab@...radead.org, mingo@...e.hu, linux-kernel@...r.kernel.org
Subject: Re: [patch] dvb: build failure fix

Adrian Bunk wrote:
> On Wed, Apr 30, 2008 at 04:17:12PM -0300, Mauro Carvalho Chehab wrote:
>   
>> On Mon, 28 Apr 2008 17:29:49 -0400
>> mkrufky@...uxtv.org wrote:
>>
>>     
>>> Mauro Carvalho Chehab wrote:
>>>       
>>>> On Tue, 29 Apr 2008 00:01:22 +0300
>>>> Adrian Bunk <bunk@...nel.org> wrote:
>>>>         
>> ...
>>     
>>>>> Mauro, where were we regarding this issue?
>>>>>
>>>>> What about:
>>>>>
>>>>> config TUNER_TDA8290
>>>>>         tristate "TDA 8290/8295 + 8275(a)/18271 tuner combo"
>>>>>         depends on I2C
>>>>> 	depends on DVB_CORE || DVB_CORE=n
>>>>>         select DVB_TDA827X if DVB_CORE
>>>>>         select DVB_TDA18271 if DVB_CORE
>>>>>         default m if VIDEO_TUNER_CUSTOMIZE
>>>>>         help
>>>>>           Say Y here to include support for Philips TDA8290+8275(a)
>>>>>           
>>> tuner.
>>>       
>>>>> Or is there some twist I'm missing?
>>>>>     
>>>>>           
>>>> This will fix compilation, but some drivers will be broken, since
tda8275
>>>>         
>>> is
>>>       
>>>> needed even for some analog-only drivers.
>>>>
>>>> It would be better to do a "select DVB_CORE", although this is also
ugly.
>>>>
>>>> I'm pinging Mkrufky. He is the one that touched a lot on those drivers.
>>>>         
>>> Maybe
>>>       
>>>> he can come up with a better solution.
>>>>         
>>> The fix for this issue will come "for free" after the tuner location 
>>> reorganization to the media/common/ folder.
>>>       
>> Yes, but I think we should try do do something for 2.6.25 and 2.6.24.
>>     
>
> Toralf and Ingo only discovered it during randconfig testing.
>
> Are there actually reports from users running into this problem?
>
>   
>> Maybe, we
>> may just do:
>> obj-y += /dvb
>> ...
>>     
>
> Do DVB_TDA827X/DVB_TDA18271 need anything from DVB_CORE?
>
> If yes you'd only transform one build error into another.

DVB_TDA827X and DVB_TDA18271 do not need anything from DVB_CORE -- their 
only dependency is I2C_CORE.

I think Mauro renamed those Kconfig symbols to MEDIA_TUNER_TDAfoo now, btw.

-Mike
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