On Mon, Feb 15, 2016 at 10:11 AM, Daniel Kurtz <djku...@chromium.org> wrote: > Hi Eduardo, Sascha, > > On Mon, Feb 1, 2016 at 10:54 AM, Eddie Huang <eddie.hu...@mediatek.com> wrote: >> >> On Tue, 2016-01-19 at 15:29 +0800, Sascha Hauer wrote: >> > Eduardo, >> > >> > On Mon, Jan 04, 2016 at 03:19:40PM +0100, Sascha Hauer wrote: >> > > Hi Eduardo, >> > > >> > > > >> > > > That should remove the policy of computing the maximum from this >> > > > driver. >> > > > Please have a look on the work being done [1] to add grouping and >> > > > aggregation of thermal zones. With that in place, you should be a >> > > > matter >> > > > of configuring the grouping and selecting max as the aggregation >> > > > function, >> > > > from the thermal core, instead in the driver. Which should give the >> > > > system engineer, more flexibility to compose whatever policy based on >> > > > the exposed sensors. >> > > >> > > I think the aggregation of thermal zones is quite useful when it comes >> > > to putting different chips together to a system. I am not so sure how >> > > useful it is to expose different thermal zones of a single SoC to the >> > > device tree. >> > > Currently the only control knob we have is the CPU frequency. When any >> > > of the sensors on the SoC gets too hot then the only thing we can do is >> > > to decrease the CPU frequency. This does not leave much space for >> > > configuration in the device tree. >> > > What I need to be able is to attach multiple sensors to one thermal >> > > zone. The aggregation patch series only partly solves that and I think >> > > is inconsistent, but I commented on the series directly. >> > >> > Any input on this? I really like to get this driver upstream as it is >> > currently blocking other Mediatek drivers. >> > >> >> Hi Eduardo, >> >> Do you have any comment about Sascha's response ? We really hope get >> your comment since Mediatek thermal driver already reviewed in public >> over half years, and we have other patches [0] [1] depend on thermal >> driver. >> >> [0]: >> http://lists.infradead.org/pipermail/linux-arm-kernel/2015-December/394084.html >> [1]: >> http://lists.infradead.org/pipermail/linux-arm-kernel/2016-January/401055.html > > Friendly ping on the Mediatek thermal driver. > The "EFUSE" dependency has now landed in v4.5-rc4.
Actually, it landed in char-misc-next, not v4.5-rc4. > So, AFAICT, the only thing left that may be blocking landing Mediatek > thermal driver is resolution of this discussion about thermal zones. > Can we kindly resolve this soon so we have a chance to land it in v4.6. > > Thanks, > -Dan