Re: [PATCH V2 1/2] LoongArch: Add CPU HWMon platform driver

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Hi, all,

If ACPI TZ is widely configured, this patch can be dropped, but I
found most users don't have ACPI TZ in their machines.

Huacai

On Fri, Aug 19, 2022 at 8:59 AM Jianmin Lv <lvjianmin@xxxxxxxxxxx> wrote:
>
>
>
> On 2022/8/18 下午6:08, Xi Ruoyao wrote:
> > On Thu, 2022-08-18 at 15:08 +0800, Jianmin Lv wrote:
> >> I don't think we need the driver any more, we have thermal zone based
> >> acpi which implemented more functions include the function here.
> >>
> >> And, the driver will conflict with acpi thermal
> >> driver(drivers/acpi/thermal.c), which leads to confusion with users.
> >
> > Hmm... I reverted this in my local tree then the CPU temperature
> > disappeared from /sys/class/hwmon.  I have CONFIG_ACPI_THERMAL=y.  Am I
> > doing something wrong or we need to wait for a firmware update for the
> > ACPI thermal zone device?
> >
>
> Maybe your firmware does not config TZ, you can confirm that by checking
> DSDT as following:
>
> cp /sys/firmware/acpi/tables/DSDT ./
> iasl DSDT
>
> and in produced DSDT.asl, check if TZ is in it.
>
>
> >
>




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