linux-kernel - Re: [PATCH] thermal: rockchip: enable hwmon

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Message-ID: <CAGb2v65TA0patyNO_xw0gpWR62N4Q_40amFW9OUh7jat3f9J8g@mail.gmail.com>
Date:   Tue, 17 Dec 2019 16:02:53 +0800
From:   Chen-Yu Tsai <wens@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Chen-Yu Tsai <wens@...nel.org>, Zhang Rui <rui.zhang@...el.com>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Heiko Stuebner <heiko@...ech.de>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] thermal: rockchip: enable hwmon

On Tue, Dec 17, 2019 at 4:01 PM Daniel Lezcano
<daniel.lezcano@...aro.org> wrote:
>
>
> Hi Chen-Yu,
>
> On 17/12/2019 06:23, Chen-Yu Tsai wrote:
> > From: Chen-Yu Tsai <wens@...e.org>
> >
> > By default of-based thermal driver do not have hwmon entries registered.
> >
> > Do this explicitly so users can use standard hwmon interfaces and tools
> > to read the temperature.
> >
> > This is based on similar changes for bcm2835_thermal in commit
> > d56c19d07e0b ("thermal: bcm2835: enable hwmon explicitly").
>
> Thanks for submitting this patch, but it is duplicate with:
>
> https://lore.kernel.org/linux-arm-kernel/20191212061702.BFE2D6E85603@corona.crabdance.com/
>
> which I picked up.

No problem. Thanks for the pointer.

ChenYu

>   -- Daniel
>
>
> > Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> > ---
> >  drivers/thermal/rockchip_thermal.c | 8 +++++++-
> >  1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
> > index 9ed8085bb792..d53ba7dabf16 100644
> > --- a/drivers/thermal/rockchip_thermal.c
> > +++ b/drivers/thermal/rockchip_thermal.c
> > @@ -19,6 +19,8 @@
> >  #include <linux/mfd/syscon.h>
> >  #include <linux/pinctrl/consumer.h>
> >
> > +#include "thermal_hwmon.h"
> > +
> >  /*
> >   * If the temperature over a period of time High,
> >   * the resulting TSHUT gave CRU module,let it reset the entire chip,
> > @@ -1210,7 +1212,11 @@ rockchip_thermal_register_sensor(struct platform_device *pdev,
> >               return error;
> >       }
> >
> > -     return 0;
> > +     /* thermal_zone doesn't enable hwmon as default, enable it here */
> > +     sensor->tzd->tzp->no_hwmon = false;
> > +     error = thermal_add_hwmon_sysfs(sensor->tzd);
> > +
> > +     return error;
> >  }
> >
> >  /**
> >
>
>
> --
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