Re: [beagleboard] Shutting Down PRUs via RemoteProc Framework from user-space?

2016-12-21 Thread William Hermans
I typically search the web with a keyword like "Documentation/remoteproc", and if documentation exists I'll usually find it right away. > https://www.kernel.org/doc/Documentation/remoteproc.txt. Then I'll check free-electrons site if I think the documentation may be different between kernels.

Re: [beagleboard] Shutting Down PRUs via RemoteProc Framework from user-space?

2016-12-21 Thread Greg
That's a good idea...I did that earlier this year when I understood the workings of the kernel much less. I don't think I made any progress figuring out how user-space access gets exported to virtual file system at /sys. Will do some grepping on the kernel sources and drill into the

Re: [beagleboard] Shutting Down PRUs via RemoteProc Framework from user-space?

2016-12-21 Thread William Hermans
Greg, have you read the remoteproc kernel documentation ? I did like a year ago, and I do want to say there is a method to halt remoteproc. But I'm not sure, and even if I did read that. There is no telling if it's actually been implemented yet into our kernel / kernel modules . . . On Wed, Dec

[beagleboard] Shutting Down PRUs via RemoteProc Framework from user-space?

2016-12-21 Thread Greg
Hello, a quick question on operating PRUs via the RemoteProc framework on Beaglebone: Is there a command via RemoteProc which will stop execution of firmwares running on the PRU(s)? There are bind and unbind capability in sys: echo "4a334000.pru0" > /sys/bus/platform/drivers/pru-rproc/bind