On Thu, Apr 04, 2013 at 02:28:38PM +0900, Kuninori Morimoto wrote: > > Dear Simon > > > > > in the course of looking look at consolidating our defconfigs I > > > > noticed that SMSC ethernet and rcar_thermal seem seem to not work when > > > > runtime PM is enabled. > > > > > > > > I'm wondering if you have any ideas of what might be the cause of this > > > > or if you could give me some guidance on investigating this problem. > > > > > > > > I assume that it relates to a clock or clocks not being enabled. > > > > > > About rcar_thermal, it needs my patch which was sent to PM ML. > > > I got email from Zhang that he accepted my patch (pm_runtime support for thermal). > > > But it seems he didn't push his branch yet... > > > I guess I explained this on my [PATCH 0/x] email. > > > > Thanks, sorry for missing that. > > > > I guess we are down to just SMSC then. > > I didn't check real board, > but I guess current SMSC IRQ came from IRQC, > and this IRQC needs MSTP 407. > But IRQC driver seems doesn't support PM_RUNTIME at this point. > > Does your issue solve by adding MSTP 407 with CLK_ENABLE_ON_INIT ? > I'm not sure this is good solution, but quick-hack Thanks! I will post a patch to add pm_runtime support to the IRQC Driver. It seems to allow SMSC + RUNTIME_PM to function on the APE6EVM.
