Re: [Update][PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-12 Thread Rafael J. Wysocki
On Monday, March 12, 2012, Linus Walleij wrote: > On Fri, Mar 9, 2012 at 12:01 AM, Rafael J. Wysocki wrote: > > > A runtime suspend of a device (e.g. an MMC controller) belonging to > > a power domain or, in a more complicated scenario, a runtime suspend > > of another device in the same power do

Re: [Update][PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-12 Thread Linus Walleij
On Fri, Mar 9, 2012 at 12:01 AM, Rafael J. Wysocki wrote: > A runtime suspend of a device (e.g. an MMC controller) belonging to > a power domain or, in a more complicated scenario, a runtime suspend > of another device in the same power domain, may cause power to be > removed from the entire doma

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-09 Thread Kevin Hilman
"Rafael J. Wysocki" writes: > On Friday, March 09, 2012, Kevin Hilman wrote: >> Alan Stern writes: >> >> [...] >> >> > How about calling it "runtime latency"? Or "runtime wakeup latency" in >> > case people think there might be some other sort of latency associated >> > with runtime power m

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-09 Thread Rafael J. Wysocki
On Friday, March 09, 2012, Kevin Hilman wrote: > Alan Stern writes: > > [...] > > > How about calling it "runtime latency"? Or "runtime wakeup latency" in > > case people think there might be some other sort of latency associated > > with runtime power management. > > Either is better than j

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-09 Thread Kevin Hilman
Alan Stern writes: [...] > How about calling it "runtime latency"? Or "runtime wakeup latency" in > case people think there might be some other sort of latency associated > with runtime power management. Either is better than just latency, but I would vote for runtime wakeup latency. Kevin

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-09 Thread Alan Stern
On Thu, 8 Mar 2012, Kevin Hilman wrote: > >> > The word "wakeup" may refer to many different things, as well as the word > >> > "resume". :-) > >> > >> Yes, but what's the confusion in this case? > >> > >> IMO, The existing /sys/devices/.../power/wakeup* meaning is the same > >> meaning as as fo

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Kevin Hilman
"Rafael J. Wysocki" writes: > On Friday, March 09, 2012, Kevin Hilman wrote: >> "Rafael J. Wysocki" writes: >> >> > On Thursday, March 08, 2012, Kevin Hilman wrote: >> >> "Rafael J. Wysocki" writes: >> >> >> >> > On Thursday, March 08, 2012, Kevin Hilman wrote: >> >> >> "Rafael J. Wysocki" w

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Rafael J. Wysocki
On Friday, March 09, 2012, Kevin Hilman wrote: > "Rafael J. Wysocki" writes: > > > On Thursday, March 08, 2012, Kevin Hilman wrote: > >> "Rafael J. Wysocki" writes: > >> > >> > On Thursday, March 08, 2012, Kevin Hilman wrote: > >> >> "Rafael J. Wysocki" writes: > >> >> > >> >> > From: Rafael

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Kevin Hilman
"Rafael J. Wysocki" writes: > On Thursday, March 08, 2012, Kevin Hilman wrote: >> "Rafael J. Wysocki" writes: >> >> > On Thursday, March 08, 2012, Kevin Hilman wrote: >> >> "Rafael J. Wysocki" writes: >> >> >> >> > From: Rafael J. Wysocki >> >> > >> >> > A runtime suspend of a device (e.g. a

[Update][PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Rafael J. Wysocki
From: Rafael J. Wysocki A runtime suspend of a device (e.g. an MMC controller) belonging to a power domain or, in a more complicated scenario, a runtime suspend of another device in the same power domain, may cause power to be removed from the entire domain. In that case, the amount of time nece

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Rafael J. Wysocki
On Thursday, March 08, 2012, Kevin Hilman wrote: > "Rafael J. Wysocki" writes: > > > On Thursday, March 08, 2012, Kevin Hilman wrote: > >> "Rafael J. Wysocki" writes: > >> > >> > From: Rafael J. Wysocki > >> > > >> > A runtime suspend of a device (e.g. an MMC controller) belonging to > >> > a

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Kevin Hilman
"Rafael J. Wysocki" writes: > On Thursday, March 08, 2012, Kevin Hilman wrote: >> "Rafael J. Wysocki" writes: >> >> > From: Rafael J. Wysocki >> > >> > A runtime suspend of a device (e.g. an MMC controller) belonging to >> > a power domain or, in a more complicated scenario, a runtime suspend

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Rafael J. Wysocki
On Thursday, March 08, 2012, Mark Brown wrote: > On Thu, Mar 08, 2012 at 09:49:24AM -0800, Kevin Hilman wrote: > > > Since I've objected to this kind of feature in the past, I'll just say > > for the record that I'm fine with selectively exposing this particular > > knob. > > > Reviewed-by: Kevin

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Rafael J. Wysocki
On Thursday, March 08, 2012, Kevin Hilman wrote: > "Rafael J. Wysocki" writes: > > > From: Rafael J. Wysocki > > > > A runtime suspend of a device (e.g. an MMC controller) belonging to > > a power domain or, in a more complicated scenario, a runtime suspend > > of another device in the same powe

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Guennadi Liakhovetski
On Thu, 8 Mar 2012, Kevin Hilman wrote: > "Rafael J. Wysocki" writes: > > > From: Rafael J. Wysocki > > > > A runtime suspend of a device (e.g. an MMC controller) belonging to > > a power domain or, in a more complicated scenario, a runtime suspend > > of another device in the same power domain

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Mark Brown
On Thu, Mar 08, 2012 at 09:49:24AM -0800, Kevin Hilman wrote: > Since I've objected to this kind of feature in the past, I'll just say > for the record that I'm fine with selectively exposing this particular > knob. > Reviewed-by: Kevin Hilman I agree with everything Kevin said: Reviewed-by: M

Re: [PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-08 Thread Kevin Hilman
"Rafael J. Wysocki" writes: > From: Rafael J. Wysocki > > A runtime suspend of a device (e.g. an MMC controller) belonging to > a power domain or, in a more complicated scenario, a runtime suspend > of another device in the same power domain, may cause power to be > removed from the entire domai

[PATCH 1/3] PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-07 Thread Rafael J. Wysocki
From: Rafael J. Wysocki A runtime suspend of a device (e.g. an MMC controller) belonging to a power domain or, in a more complicated scenario, a runtime suspend of another device in the same power domain, may cause power to be removed from the entire domain. In that case, the amount of time nece