lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 18 Feb 2016 10:59:19 +0100 From: Marek Szyprowski <m.szyprowski@...sung.com> To: Krzysztof Kozlowski <k.kozlowski@...sung.com>, Viresh Kumar <viresh.kumar@...aro.org> Cc: Anand Moon <linux.amoon@...il.com>, Kukjin Kim <kgene@...nel.org>, Lukasz Majewski <l.majewski@...sung.com>, linux-arm-kernel@...ts.infradead.org, "linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>, Linux Kernel <linux-kernel@...r.kernel.org>, Linux PM list <linux-pm@...r.kernel.org>, Zhang Rui <rui.zhang@...el.com>, Eduardo Valentin <edubezval@...il.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Javier Martinez Canillas <javier@....samsung.com> Subject: Re: [RFC 3/3] ARM: dts: Don't overheat the Odroid XU3-Lite on high load Hello, On 2016-02-18 05:42, Krzysztof Kozlowski wrote: > On 18.02.2016 11:36, Viresh Kumar wrote: >>> 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. > Damn, not entirely. I almost fried my Odroid (it survived 130 degrees of > C)... The TMU supports only 4 trip points, so when I added two new trip > points and reordered them... the last two (including critical) was not > receiving interrupts. > > Polling mode is needed. I'll sent some patches soon... Instead of polling the driver should simply use some dynamic window for the nearest temperature ranges and reconfigure it when interrupt of occurs. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland
Powered by blists - more mailing lists