On Jan 8, 2014, at 7:50 PM, Stephen Boyd <sboyd@xxxxxxxxxxxxxx> wrote: > On 01/08/14 13:37, Arnd Bergmann wrote: >> On Tuesday 24 December 2013, Stephen Boyd wrote: >>> This is a rework of patches sent a months back by Rohit[1]. >>> The goal of these patches is to add support for SMP and (basic) >>> hotplug on MSM based SoCs. To get there, we add support for a >>> generic way to hook in SMP/hotplug support code based on DT. To >>> show how it's used, we convert the MSM8660 SMP support code over >>> to the new method. After that we add support for the rest of the >>> upstream MSM SoCs (note these patches are piled high on top of >>> Rohit's patches to add 8074 support to MSM[2] and my follow ups[3,4], >>> but this should only matter to the MSM maintainers). >>> >>> This is one of the last items of code that still requires us to have >>> a mach directory and a machine descriptor. We should be able to move >>> the hotplug/smp code out of mach directories if this approach is >>> accepted. >> The implementation looks ok to me, but I wonder whether on a global >> scale we want to tie it more closely to the cpuidle implementations. >> We already have a drivers/cpuidle framework, and while I admit >> that I'm not familiar with the code in there, I would assume that >> the smp operations and the cpuidle code usually go hand in hand. > > Sure. Right now the smp ops code is fairly well tied into the arch layer > so it sounds like there is some future work when we move this stuff out > of the mach directory. > > Would arm-soc be able to pick these patches up for 3.14? I think > everything is in place for these patches now that Mark has reviewed them. Ping, wondering if arm-soc would pick up: ARM: Introduce CPU_METHOD_OF_DECLARE() for cpu hotplug/smp The other patches are all msm specific so we can handle them through the normal channels. - k -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
