Hi there
I need to install/compile a driver for my wifi usb stick.
Bus 001 Device 004: ID 148f:761a Ralink Technology, Corp.
I used this driver on my gentoo-raspberry without any issues, so I tried it
on mate too:
What I did so far:
sudo apt install git build-essential
sudo apt-get install raspberrypi-kernel-headers
rpi-update
#uname -r
4.14.29-v7+
If I go then in the driver source directory and do a
make
I get this error:
~/build/mt7610u$ make
make ARCH=armv7l CROSS_COMPILE= -C /lib/modules/4.14.29-v7+/build M=/home/astro/build/mt7610u modules
make[1]: Entering directory â/lib/modules/4.14.29-v7+/buildâ
make[1]: *** No rule to make target âmodulesâ. Stop.
make[1]: Leaving directory â/lib/modules/4.14.29-v7+/buildâ
Makefile:370: recipe for target âmodulesâ failed
make: *** [modules] Error 2
I guess I miss something kernel related, maybe the whole kernel source?
Any ideas anyone?
You shouldnât of run rpi-update. The installed kernel and header package will be out of sync.
Ok, so I started from scratch again, new clean ubuntu mate sdcard.
sudo apt install git
mkdir build
cd build
git clone https://github.com/ulli-kroll/mt7610u.git
cd mt7610u
make
results in error:
make ARCH=armv7l CROSS_COMPILE= -C /lib/modules/4.4.38-v7+/build M=/home/astro/build/mt7610u modules
make[1]: *** /lib/modules/4.4.38-v7+/build: No such file or directory. Stop.
Makefile:370: recipe for target 'modules' failed
make: *** [modules] Error 2
how to proceed?
You need to install the header package that matches the kernel you have installed. So if you want the latest released kernel package and header package:
sudo apt install raspberrypi-kernel raspberrypi-kernel-headers
If you want a header package to match a previous kernel, then youâll have to look here: http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/
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thnaks rdxravirajsinh but your suggestion has nothing to to with Ubuntu-Mate on an Raspberry PI. I guess your approach assumes that the wifi driver is already in the kernel source, but my wifi device driver has not found its way into the kernel yet (nor possibly will ever ), its only maintained by a few guys on github.
Forthermore If I read corretly I guess your approach would mix non-Rasperry Pi kernel with the Raspberry Pi kernel on my system.
Please correct me if I am wrong.
@stillwinter
thanks, âuname -râ tells me I am running 4.4.38-v7+ .
Now I am confused by your âif you want the latest released kernelââŚ
Is the kernel I run currently the âlatestâ? So I can do a
sudo apt install raspberrypi-kernel raspberrypi-kernel-headers
to get the matching headers?
And if I had to go to
http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/
how can I find the right headers? The files are all named by date, not by version?
Ok I probably found that version.
apt-cache show raspberrypi-kernel
gives me
raspberrypi-kernel_1.20161215-1~xenial1.0_armhf.deb
sudo apt install raspberrypi-kernel-headers
it then installed
raspberrypi-kernel-headers armhf 1.20161215-1~xenial1.0
solved!
After it installed the headers I only had to change the drivers Makefile line:
$(MAKE) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C $(KSRC) M=$(PWD) modules
to
$(MAKE) ARCH=arm -C $(KSRC) M=$(PWD) modules
compiling succeded,
sudo modprobe cfg80211
sudo insmod mt7610u.ko
device is now listed as:
iwconfig
wlan0 Ralink STA
marking as solved. Any futher driver related issues will got to the corresponding github issues page.
Thanks for your help! 
Great stuff pauledd
If you run
sudo apt update
sudo apt install raspberrypi-kernel raspberrypi-kernel-headers
youâll have the latest kernel and youâll probably need to recompile. Look into dkms to automate the re-compilation.
