* Sekhar Nori <nsekhar@xxxxxx> [161115 22:25]: > On Wednesday 16 November 2016 02:28 AM, Tony Lindgren wrote: > > * Sekhar Nori <nsekhar@xxxxxx> [161115 00:35]: > >> If pm_runtime_get_sync() fails due to callback error, then > >> rpm_callback() sets dev.power.runtime_error to an error value which gets > >> cleared by an explicit call to pm_runtime_set_suspended(). > >> > >> This will tell the framework that the status of device is suspended. > >> Else, the failure will be sticky and on subsequent attempts, > >> rpm_resume() will keep returning early instead of trying to resume the > >> device again. > >> > >> This is as far as I can gather from code. So, I believe the recovery > >> path should be: > >> > >> if (error < 0) { > >> pm_runtime_set_suspended(cdd->ddev.dev); > >> pm_runtime_put_noidle(cdd->ddev.dev); > >> > >> ... > > > > Well we should test this :) > > Yes, right! Was this patch created to fix an error in practice or just > based on code review? Based on code review for related musb fixes. I'll test the above today at some point. > > BTW, what other users of cppi41 do we have in addition to musb? I think > > davinci is or will be using it too? > > The list Bin provided seems accurate. OK so it's used by musb only with no other hardware blocks using cppi41? Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html