On 15:40-20130709, Mark Brown wrote: > On Tue, Jul 09, 2013 at 07:50:55AM -0500, Nishanth Menon wrote: > > > with this input and looking closer, I think I see what you are saying now: > > dra7xxx_qspi_prepare_xfer -> does a pm_runtime_get_sync > > dra7xxx_qspi_unprepare_xfer -> does a pm_runtime_mark_last_busy, > > pm_runtime_put_autosuspend > > > In between these calls, you have the remaining xfer calls going on. > > we are assuming here that autosuspend timeout should be greater than > > the time to complete the worst case transfer. > > No, autosuspend will do nothing so long as there are references to the > device held. The effect of autosuspend is to delay power down after the > last reference has been dropped, otherwise things run normally.
Thanks on the clarification. That concludes my confusion on the topic :). -- Regards, Nishanth Menon ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
