Re: [PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model

2018-12-19 Thread Ulf Hansson
On Wed, 19 Dec 2018 at 12:17, Lorenzo Pieralisi wrote: > > On Thu, Nov 29, 2018 at 06:46:57PM +0100, Ulf Hansson wrote: > > When the hierarchical CPU topology is used and when a CPU has been put > > offline (hotplug), that same CPU prevents its PM domain and thus also > > potential master PM domai

Re: [PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model

2018-12-19 Thread Lorenzo Pieralisi
On Thu, Nov 29, 2018 at 06:46:57PM +0100, Ulf Hansson wrote: > When the hierarchical CPU topology is used and when a CPU has been put > offline (hotplug), that same CPU prevents its PM domain and thus also > potential master PM domains, from being powered off. This is because genpd > observes the C

Re: [PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model

2018-11-30 Thread Lina Iyer
On Fri, Nov 30 2018 at 01:25 -0700, Ulf Hansson wrote: On Thu, 29 Nov 2018 at 23:31, Lina Iyer wrote: Hi Ulf, On Thu, Nov 29 2018 at 10:50 -0700, Ulf Hansson wrote: >When the hierarchical CPU topology is used and when a CPU has been put >offline (hotplug), that same CPU prevents its PM domain

Re: [PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model

2018-11-30 Thread Ulf Hansson
On Thu, 29 Nov 2018 at 23:31, Lina Iyer wrote: > > Hi Ulf, > > On Thu, Nov 29 2018 at 10:50 -0700, Ulf Hansson wrote: > >When the hierarchical CPU topology is used and when a CPU has been put > >offline (hotplug), that same CPU prevents its PM domain and thus also > >potential master PM domains, f

Re: [PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model

2018-11-29 Thread Lina Iyer
Hi Ulf, On Thu, Nov 29 2018 at 10:50 -0700, Ulf Hansson wrote: When the hierarchical CPU topology is used and when a CPU has been put offline (hotplug), that same CPU prevents its PM domain and thus also potential master PM domains, from being powered off. This is because genpd observes the CPU'

[PATCH v10 24/27] drivers: firmware: psci: Support CPU hotplug for the hierarchical model

2018-11-29 Thread Ulf Hansson
When the hierarchical CPU topology is used and when a CPU has been put offline (hotplug), that same CPU prevents its PM domain and thus also potential master PM domains, from being powered off. This is because genpd observes the CPU's struct device to remain being active from a runtime PM point of