On Thu, Apr 04, 2013 at 03:14:33PM +0900, Simon Horman wrote: > 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. For reference, I have posted "irqchip: irqc: Add runtime PM support"
