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 ?
Le 29/01/2013 15:59, Hans Verkuil a écrit :
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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