Re: [RFC PATCH] soc: qcom: rmtfs_mem: Control remoteproc from rmtfs_mem

From: Brian Norris
Date: Wed Oct 17 2018 - 19:50:03 EST

Hi Bjorn,

Sorry for getting back to this late.

On Tue, Oct 02, 2018 at 12:34:45PM -0700, Bjorn Andersson wrote:
> On Tue 25 Sep 10:29 PDT 2018, Brian Norris wrote:
> For the record; I did consider making the rmtfs implementation the one
> driving the remoteproc state through /sys/class/remoteproc, but that
> would not cope with abnormal termination of the rmtfs implementation.

It could, if you had rmtfs always power cycle the modem on startup. But
we'd be in a bad situation in the meantime, so that might not be great.

> I will work up a patch making the remoteproc driver observe the presence
> of the RMTFS_QMI_SERVICE and see how that looks.

I believe Sibi Sankar already sent a v2 with the rmtfs driver doing this
instead. He also replied to this email with slightly different
suggestions; I'll try to reply to both of those.