Got the modinfo/vermagic right by cross compiling on my lappy.
Looks like from reading through this:
http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=23478

that this module and its tuner will not be working in 3.4 kernel versions. Seems it was kernel 3.7 where it things were fully up & going for this device.
Is there any way to back port this from a later kernel? I have not seen a working kernel for sun4i armv7 later than 3.4.79 so I guess this means the answer is no.
It works fine on a raspi on kernel 3.10.25+ but a different architecture.
The only other option is to wait for 3.15 to land for Allwinner chips - unknown eta.

Thanks

On 18/05/14 00:13, Robert Brown wrote:

After my recent partial success with this :

https://github.com/tmair/DVB-Realtek-RTL2832U-2.2.2-10tuner-mod_kernel-3.0.0/tree/master/RTL2832-2.2.2_kernel-3.0.0
which I am about to d/l and try. Beats me why all of my previous searches for "rtl2832 and kernel 3.4" have not taken me to this possibly vital link.

Rob

Ok this compile works without errors. Yay (have you any idea how long I have been at this?) and creates a
dvb-usb-rtl2832u.ko
but not a
rtl2832u.ko
despite there being a bunch of files like rtl2832u.c and rtl2832u.o
and dmesg complains of no frontend:
dvb-usb: found a 'RTL2832U DVB-T USB DEVICE' in warm state.
[ 2040.777066] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[ 2040.793621] DVB: registering new adapter (RTL2832U DVB-T USB DEVICE)
[ 2040.833115] RTL2832U usb_init_bulk_setting : USB2.0 HIGH SPEED (480Mb/s)
[ 2041.153012] RTL2832U check_tuner_type : ERROR Unknown tuner on board...

[ 2041.166512] dvb-usb: no frontend was attached by 'RTL2832U DVB-T USB DEVICE'

[ 2041.190209] input: IR-receiver inside an USB DVB receiver as /devices/platform/sw-ehci.1/usb2/2-1/input/input3
[ 2041.226625] dvb-usb: schedule remote query interval to 287 msecs.
[ 2041.251663] dvb-usb: RTL2832U DVB-T USB DEVICE successfully initialized and connected.
[ 2041.267826] usbcore: registered new interface driver dvb_usb_rtl2832u
[ 2548.427451] rtl2832: disagrees about version of symbol module_layout

so I will attach -v in the Makefile and run it again.
Getting there!
So the make is running:
CC [M] /home/debian/DVB-Realtek-RTL2832U-2.2.2-10tuner-mod_kernel-3.0.0/RTL2832-2.2.2_kernel-3.0.0/rtl2832u.o

without errors and similar so should produce a rtl2832u.ko IMHO.

I found that the vermagic of the module produced was incorrect - it should be
vermagic: 3.4.67-sun4i+ preempt mod_unload modversions ARMv7 p2v8

instead get:
vermagic: 3.4.67-sun4i preempt mod_unload modversions ARMv7 p2v8

In trying to track this down I have not found the source of sun4i versus sun4i+. Is it being determined by scripts/setlocalversion by any chance since .config and Makefile look correct.

I have attached the .config Makefile and setlocalversion files.
Thanks
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