Comment out rtsx.c
on line 266
before:
.proc_info = proc_info,
after:
// .proc_info = proc_info,
build with this KCFLAGS
$ make KCFLAGS="-D__devinit= -D__devexit= -D__devexit_p= -Wno-error=date-time -Wno-error=implicit-function-declaration"
$ sudo make install
$ sudo depmod