linux-kernel - Re: [PATCH] thermal: sun8i: Add hwmon support

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Message-ID: <CAEExFWtkPBhqT-wteE0_bC=QqaTyuvAcj_4SMOLjYAdc6p4tkg@mail.gmail.com>
Date:   Tue, 7 Jan 2020 00:14:03 +0800
From:   Frank Lee <tiny.windzz@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Maxime Ripard <mripard@...nel.org>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] thermal: sun8i: Add hwmon support

HI Chen-Yu.

On Mon, Jan 6, 2020 at 12:32 PM Chen-Yu Tsai <wens@...e.org> wrote:
>
> On Sun, Dec 29, 2019 at 1:19 AM Yangtao Li <tiny.windzz@...il.com> wrote:
> >
> > Expose sun8i thermal as a HWMON device.
> >
> > Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
> > ---
> >  drivers/thermal/sun8i_thermal.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> >
> > diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c
> > index 23a5f4aa4be4..619e75cb41b0 100644
> > --- a/drivers/thermal/sun8i_thermal.c
> > +++ b/drivers/thermal/sun8i_thermal.c
> > @@ -20,6 +20,8 @@
> >  #include <linux/slab.h>
> >  #include <linux/thermal.h>
> >
> > +#include "thermal_hwmon.h"
> > +
> >  #define MAX_SENSOR_NUM 4
> >
> >  #define FT_TEMP_MASK                           GENMASK(11, 0)
> > @@ -477,6 +479,10 @@ static int sun8i_ths_register(struct ths_device *tmdev)
> >                                                              &ths_ops);
> >                 if (IS_ERR(tmdev->sensor[i].tzd))
> >                         return PTR_ERR(tmdev->sensor[i].tzd);
> > +
> > +               if (devm_thermal_add_hwmon_sysfs(tmdev->sensor[i].tzd))
> > +                       dev_warn(tmdev->dev,
> > +                                "Failed to add hwmon sysfs attributes\n");
>
> Maybe you want a hard failure instead?

I don't quite understand what you mean.
What do you think should be done?

MBR,
Yangtao

>
> ChenYu
>
> >         }
> >
> >         return 0;
> > --
> > 2.17.1
> >