Change spidev bufsiz module parameter


Does anybody know how I could go about changing the bufsiz module paramter of the spidev module? None of the conventional solutions seem to be working. modprobe doesn’t work as the module is compiled directly into the kernel. directly writing to /sys/module/spidev/parameters/bufsiz doesn’t work either. Is there something I can do to /boot/hw_intfc.conf? I’ve tried intfc:dtparam=bufsize=8192, but I might have the syntax wrong or something.

Any ideas? I know I can do this by recompiling the kernel, but I’d prefer not to.