Really? I don't see that here. Which drivers? If you do
objdump -s -j .modinfo driver.o
do you not see something like
Contents of section .modinfo:
0000 6b65726e 656c5f76 65727369 6f6e3d32 kernel_version=2 <<<<<<
0010 2e312e35 31000000 7573696e 675f6368 .1.51...using_ch
0020 65636b73 756d733d 31000000 00000000 ecksums=1.......
r~