Some issues with compiling this on linux kernel 4.4 mainline

[fenrig]

I'm compiling your remote proc linux kernel driver using the yocto project for beagleboneblack, this uses linux kernel 4.4 mainline and your code and my kernel source arent fully matching because Im getting a few errors:

Issue 1:
I can't seem to find ".handle_custom_rsc" in rproc_ops which doesn't exist in the mainline kernel code, so my compiler doesnt compile this code. What kernel source did you use for developing this code?

Issue 2:
seq_puts and seq_printf are void functions and you use them for adding the return value (which is void!) to add to a ret int. The compiler on yocto marks these as errors, so I'm kind of wondering how your compiler didnt warn you for these

[shubhi1407]

1. I used kernel 3.14. Building for 4.x would fail as the mainline has some files missing or changed.
2. seq_printf returns void. My compiler may have thrown warnings but I didn't encounter errors.

I suggest you try for 3.14. Fixing it for 4.4 would require considerable effort i patching the kernel code.

[fenrig]

mainline 3.14 or did you use the one from beaglebone?

[RobertCNelson]

Oh, if this is based on ti's 3.14.x remote_proc, @fenrig you should use the "4.1" branch here: https://github.com/beagleboard/linux/tree/4.1

as that remote_proc driver isn't mainline yet..

Regards,

[fenrig]

yeah I was making a recipe for this kernel, thx for the info ;)

[klekkala]

Hey!! @fenrig !! Did you try out this driver for 4.4 mainstream?