Re: [RFC 3/3] ARM: dts: Don't overheat the Odroid XU3-Lite on high load

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On 18-02-16, 10:47, Krzysztof Kozlowski wrote:
> On 18.02.2016 04:53, Anand Moon wrote:
> > I also got lot's of error.
> > 
> > root@odroidxu4l:~# cpu[ 3050.847663] cpu cpu4: Failed to find dev_opp: -19
> > [ 3171.640836] cpu cpu4: device_opp_debug_create_link: Failed to create link
> > [ 3171.646197] cpu cpu4: _add_list_dev: Failed to register opp debugfs (-12)
> > [ 3171.653574] cpu cpu7: device_opp_debug_create_link: Failed to create link
> > [ 3171.659752] cpu cpu7: _add_list_dev: Failed to register opp debugfs (-12)
> > [ 3171.697011] cpu cpu5: cpufreq_init: failed to get clk: -2
> > [ 3171.732505] cpu cpu6: cpufreq_init: failed to get clk: -2
> > [ 3171.768160] cpu cpu7: cpufreq_init: failed to get clk: -2
> > 
> > Tested on Odroid-XU4
> > 
> > Reviewed-by: Anand Moon <linux.amoon@xxxxxxxxx>
> > Tested-by: Anand Moon <linux.amoon@xxxxxxxxx>

What was this Tested-by supposed to mean? You got errors out there ...

> The patch is not sufficient. It does not work the way it should...
> 
> BTW, I found the issue. The order of trip points in DT:
> thermal_zone0/trip_point_0_hyst:5000
> thermal_zone0/trip_point_0_temp:50000
> thermal_zone0/trip_point_0_type:active
> thermal_zone0/trip_point_1_hyst:5000
> thermal_zone0/trip_point_1_temp:60000
> thermal_zone0/trip_point_1_type:active
> thermal_zone0/trip_point_2_hyst:5000
> thermal_zone0/trip_point_2_temp:70000
> thermal_zone0/trip_point_2_type:active
> thermal_zone0/trip_point_3_hyst:0
> thermal_zone0/trip_point_3_temp:120000	<---- this should be last one!
> thermal_zone0/trip_point_3_type:critical
> thermal_zone0/trip_point_4_hyst:5000
> thermal_zone0/trip_point_4_temp:90000
> thermal_zone0/trip_point_4_type:passive
> thermal_zone0/trip_point_5_hyst:5000
> thermal_zone0/trip_point_5_temp:110000
> thermal_zone0/trip_point_5_type:passive
> 
> After fixing the order in DT, the cpu cooler starts working.

Ahh, nice.

-- 
viresh
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