When I try to compile the kernel for the Samsung SM-G360T / SM-G360T1, I get identical issues for two different source repositories of the kernel.

Kernels I am using:
https://github.com/MSM8916-Samsung/android_kernel_samsung_coreprimeltexx (Should be stock)
https://github.com/ShinySide/SM-G360T1_kernel (Heavily Edited)

The first issue, referenced here, was solved with the replacement of one line of code.

in btusb.c:

static int reset = 1;  


static bool reset = true;     

I am including this just for reference in case it has something to do with the end result, or someone else comes along a similar issue. There is not a lot of documentation for this specific phone model's kernel, whereas it is a very popular model. Here is listed another solution fort this issue that i did not try to use.

That part is solved. For the actual problem:

drivers/built-in.o: In function `btusb_probe':
undefined reference to `get_rome_version'
undefined reference to `rome_download'
/android_kernel_samsung_coreprimeltexx/Makefile:807: recipe for target 
'vmlinux' failed
make[1]: *** [vmlinux] Error 1
Makefile:130: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2

I'm sure that this will be flagged as a repeat question, but It looks like rome_download and get_rome_version are defined (or at least referenced, forgive me, i'm bad) in include/net/bluetooth/bluetooth.h and drivers/bluetooth/ath3k.c.

If i comment out a few line edit a statement i can get the code to compile without the version variable which is called by the btusb_probe function. Obviously this is breaking some sort of functionality, but it seems to work.

Thanks for the help in advance. I was a little more long-winded than normal because this specific model of the device has uniquely limited information/development compared to the other versions of the device.

1 Answer 1


Been a while ago, but for all who need it: also enable CONFIG_BT_ATH3K in kernel. "Atheros firmware download driver" in -> Networking support (NET [=y]) -> Bluetooth subsystem support (BT [=y]) -> Bluetooth device drivers

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