Messages in this thread | | | Date | Thu, 20 Dec 2012 08:12:02 -0800 | From | Greg KH <> | Subject | Re: [PATCH 4/8] Thermal: Add Thermal_trip sysfs node |
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On Thu, Dec 20, 2012 at 07:52:03AM +0000, R, Durgadoss wrote: > > On Tue, Dec 18, 2012 at 02:59:33PM +0530, Durgadoss R wrote: > > > This patch adds a thermal_trip directory under > > > /sys/class/thermal/zoneX. This directory contains > > > the trip point values for sensors bound to this > > > zone. > > > > Eeek, you just broke userspace tools that now can no longer see these > > entries :( > > > > Why do you need to create a subdirectory? As you found out, doing so > > isn't the easiest, right? That is on purpose. > > Yes, I observed the complexity. > > > > > I really wouldn't recommend doing this at all, please stick within the > > 'struct device' framework here, don't create new kobjects and hang sysfs > > files off of them. > > But, we cannot put all _trip directly under ZoneX directory.
Why not? What is preventing this?
> We can remove the thermal_trip directory, and put sensorY_trip under > /sys/class/thermal/zoneX/. But this sensorY_trip needs to be a > directory which has four sysfs nodes named, active, passive, crit, > hot. > > Rui, What do you think about this ? > > The only other way I see, is directly put sensorY_trip_[active/passive/hot/crit] > which will create way too many nodes, under /sys/class/thermal/zoneX/.
What is "too many"? 20000? 50000? How many are we talking about here? What is the limiting factor that is preventing this from all going into one directory?
thanks,
greg k-h
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