Re: Bug report - em28xx

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Il 29/01/2013 16:30, Olivier Subilia ha scritto:
> Thanks for help.
> 
> I must confess there are so many entries in menuconfig I can't find
> where enabling em28xx is hidden (20 minutes searching in vain :-( .
> Could you please help me ?
> 

You can use 'make xconfig' and the Find command (ctrl-F) ;-)

Regards,
Gianluca

> Le 29/01/2013 15:59, Hans Verkuil a �crit :
>> On Tue January 29 2013 15:18:12 Olivier Subilia wrote:
>>> Hi,
>>>
>>> First of all, I've no experience with this mailing list. I'm not sure
>>> I'm sending my report to the right place. If not, please don't hesitate
>>> to tell it to me (possibly with the right place address).
>>>
>>> I'm desperately trying to compile v4l drivers for a PCTV quatrostick
>>> nano. Following this page
>>>
>>> http://www.linuxtv.org/wiki/index.php/PCTVSystems_QuatroStick-nano_520e
>>>
>>> it uses the em28xx driver.
>>>
>>> my configuration: `uname -r` = 3.2.0-35-generic-pae
>>>
>>> So I tried to compile it with
>>>
>>> $ git clone git://linuxtv.org/media_build.git
>>> $ cd media_built
>>> $ ./build >log.log (file attached)
>>>
>>> STDERR:
>>>
>>> Cloning into 'media_build'...
>>> remote: Counting objects: 1813, done.
>>> remote: Compressing objects: 100% (591/591), done.
>>> remote: Total 1813 (delta 1223), reused 1751 (delta 1183)
>>> Receiving objects: 100% (1813/1813), 423.66 KiB, done.
>>> Resolving deltas: 100% (1223/1223), done.
>>> multimedia@serveur:~$ cd media_build/
>>> multimedia@serveur:~/media_build$ ./build >log.log
>>>   From git://linuxtv.org/media_build
>>>    * branch            master     -> FETCH_HEAD
>>> --2013-01-29 14:52:49--
>>> http://linuxtv.org/downloads/drivers/linux-media-LATEST.tar.bz2.md5
>>> Resolving linuxtv.org (linuxtv.org)... 130.149.80.248
>>> Connecting to linuxtv.org (linuxtv.org)|130.149.80.248|:80... connected.
>>> HTTP request sent, awaiting response... 200 OK
>>> Length: 93 [application/x-bzip2]
>>> Saving to: `linux-media.tar.bz2.md5.tmp'
>>>
>>> 100%[=========================================================================================================================================>]
>>>
>>> 93          --.-K/s   in 0s
>>>
>>> 2013-01-29 14:52:49 (7.72 MB/s) - `linux-media.tar.bz2.md5.tmp' saved
>>> [93/93]
>>>
>>> cat: linux-media.tar.bz2.md5: No such file or directory
>>> --2013-01-29 14:52:49--
>>> http://linuxtv.org/downloads/drivers/linux-media-LATEST.tar.bz2
>>> Resolving linuxtv.org (linuxtv.org)... 130.149.80.248
>>> Connecting to linuxtv.org (linuxtv.org)|130.149.80.248|:80... connected.
>>> HTTP request sent, awaiting response... 200 OK
>>> Length: 4502249 (4.3M) [application/x-bzip2]
>>> Saving to: `linux-media.tar.bz2'
>>>
>>> 100%[=========================================================================================================================================>]
>>>
>>> 4'502'249   5.47M/s   in 0.8s
>>>
>>> 2013-01-29 14:52:50 (5.47 MB/s) - `linux-media.tar.bz2' saved
>>> [4502249/4502249]
>>>
>>> --2013-01-29 14:52:51--
>>> http://www.linuxtv.org/downloads/firmware//dvb-firmwares.tar.bz2
>>> Resolving www.linuxtv.org (www.linuxtv.org)... 130.149.80.248
>>> Connecting to www.linuxtv.org (www.linuxtv.org)|130.149.80.248|:80...
>>> connected.
>>> HTTP request sent, awaiting response... 200 OK
>>> Length: 649441 (634K) [application/x-bzip2]
>>> Saving to: `dvb-firmwares.tar.bz2'
>>>
>>> 100%[=========================================================================================================================================>]
>>>
>>> 649'441     1.41M/s   in 0.4s
>>>
>>> 2013-01-29 14:52:51 (1.41 MB/s) - `dvb-firmwares.tar.bz2' saved
>>> [649441/649441]
>>>
>>>
>>> ln: accessing `../../linux/firmware/dabusb//*': No such file or
>>> directory
>>> /home/multimedia/media_build/v4l/anysee.c: In function
>>> 'anysee_frontend_attach':
>>> /home/multimedia/media_build/v4l/anysee.c:893:2: warning: 'ret' may be
>>> used uninitialized in this function [-Wuninitialized]
>>> /home/multimedia/media_build/v4l/m920x.c: In function 'm920x_probe':
>>> /home/multimedia/media_build/v4l/m920x.c:91:6: warning: 'ret' may be
>>> used uninitialized in this function [-Wuninitialized]
>>> /home/multimedia/media_build/v4l/m920x.c:70:6: note: 'ret' was
>>> declared here
>>> /home/multimedia/media_build/v4l/mxl111sf.c:58:0: warning: "err"
>>> redefined [enabled by default]
>>> include/linux/usb.h:1655:0: note: this is the location of the previous
>>> definition
>>> /home/multimedia/media_build/v4l/ngene-cards.c:813:2: warning:
>>> initialization discards 'const' qualifier from pointer target type
>>> [enabled by default]
>>> /home/multimedia/media_build/v4l/mxl111sf-tuner.c:34:0: warning: "err"
>>> redefined [enabled by default]
>>> include/linux/usb.h:1655:0: note: this is the location of the previous
>>> definition
>>> /home/multimedia/media_build/v4l/mxl111sf-tuner.c:34:0: warning: "err"
>>> redefined [enabled by default]
>>> include/linux/usb.h:1655:0: note: this is the location of the previous
>>> definition
>>> WARNING: "snd_tea575x_set_freq"
>>> [/home/multimedia/media_build/v4l/radio-shark.ko] undefined!
>>> WARNING: modpost: Found 1 section mismatch(es).
>>> To see full details build your kernel with:
>>> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
>>>
>>>
>>> No other compilation error. 524 modules founds. But if I check em28xx
>>> family modules:
>>>
>>> $ ls v4l/em28xx*.ko
>>> ls: cannot access v4l/em28xx*.ko: No such file or directory
>>>
>>> In other words: no module is compiled with this.
>>> All (most ?) other modules are compiled in v4l/*.ko
>>>
>>> What am I doing wrong ?
>> Nothing :-)
>>
>> I can reproduce this myself. It works fine for all kernels except 3.2
>> and 3.3.
>> One workaround is to run 'make menuconfig' in the media_build
>> directory, turn
>> on the em28xx modules, and run 'make' to build everything.
>>
>> Why it isn't automatically selected when compiling for those kernels is a
>> mystery to me.
>>
>> Regards,
>>
>>     Hans
>>
>>> With kernel 2.6.32-45-generic, I have no problem to build everything
>>> with the same commands, included em28xx*.ko.
>>>
>>> By the way, is it possible to rebuild just one specific module instead
>>> of always rebuilding the whole tree ?
>>>
>>> Many thanks in advance for any hint
>>>
>>> Olivier Subilia
>>>
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