Messages in this thread | | | From | "Chen, Yu C" <> | Subject | RE: [PATCH 1/3] Thermal: initialize thermal zone device correctly | Date | Mon, 28 Sep 2015 17:30:30 +0000 |
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Hi, Javi,
> -----Original Message----- > From: Javi Merino [mailto:javi.merino@arm.com] > Sent: Monday, September 28, 2015 10:28 PM > To: Chen, Yu C > Cc: linux-pm@vger.kernel.org; edubezval@gmail.com; Zhang, Rui; linux- > kernel@vger.kernel.org; stable@vger.kernel.org > Subject: Re: [PATCH 1/3] Thermal: initialize thermal zone device correctly > > On Sun, Sep 27, 2015 at 06:48:28AM +0100, Chen Yu wrote: > > From: Zhang Rui <rui.zhang@intel.com> > > > > After thermal zone device registered, as we have not read any > > temperature before, thus tz->temperature should not be 0, which > > actually means 0C, and thermal trend is not available. > > In this case, we need specially handling for the first > > thermal_zone_device_update(). > > > > Both thermal core framework and step_wise governor is enhanced to > > handle this. > > It may be worth pointing out that the step_wise governor is the only one > that uses trends, so it's the only thermal governor that needs to be updated. > OK, will add. > > > - if (old_target == instance->target) > > + if (instance->initialized && > > + old_target == instance->target) > > nit: it fits in one line, > > if (instance->initialized && old_target == instance->target) > > is 77 characters. > Not sure if the limit for one line is 75 in checkpatch.pl, I'll have a try. Thanks!
Best Regards, Yu
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