diff mbox series

[4/8] platform/x86: intel_menlow: switch to use <linux/temperature.h> helpers

Message ID 1574604530-9024-5-git-send-email-akinobu.mita@gmail.com (mailing list archive)
State Superseded, archived
Headers show
Series add header file for kelvin to/from Celsius conversion helpers | expand

Commit Message

Akinobu Mita Nov. 24, 2019, 2:08 p.m. UTC
This switches the intel_menlow driver to use deci_kelvin_to_celsius() and
celsius_to_deci_kelvin() in <linux/temperature.h> instead of helpers in
<linux/thermal.h>.

This is preparation for centralizing the kelvin to/from Celsius conversion
helpers in <linux/temprature.h>.

Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Amit Kucheria <amit.kucheria@verdurent.com>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
 drivers/platform/x86/intel_menlow.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

Comments

Andy Shevchenko Nov. 24, 2019, 7:57 p.m. UTC | #1
On Sun, Nov 24, 2019 at 4:09 PM Akinobu Mita <akinobu.mita@gmail.com> wrote:
>
> This switches the intel_menlow driver to use deci_kelvin_to_celsius() and
> celsius_to_deci_kelvin() in <linux/temperature.h> instead of helpers in
> <linux/thermal.h>.
>
> This is preparation for centralizing the kelvin to/from Celsius conversion
> helpers in <linux/temprature.h>.
>
> Cc: Sujith Thomas <sujith.thomas@intel.com>
> Cc: Darren Hart <dvhart@infradead.org>
> Cc: Andy Shevchenko <andy@infradead.org>
> Cc: Zhang Rui <rui.zhang@intel.com>
> Cc: Eduardo Valentin <edubezval@gmail.com>
> Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> Cc: Amit Kucheria <amit.kucheria@verdurent.com>
> Cc: Jean Delvare <jdelvare@suse.com>
> Cc: Guenter Roeck <linux@roeck-us.net>
> Cc: Keith Busch <kbusch@kernel.org>
> Cc: Jens Axboe <axboe@fb.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Sagi Grimberg <sagi@grimberg.me>
> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
> ---
>  drivers/platform/x86/intel_menlow.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
> index b102f6d..6313591 100644
> --- a/drivers/platform/x86/intel_menlow.c
> +++ b/drivers/platform/x86/intel_menlow.c
> @@ -302,8 +302,10 @@ static ssize_t aux_show(struct device *dev, struct device_attribute *dev_attr,
>         int result;
>
>         result = sensor_get_auxtrip(attr->handle, idx, &value);
> +       if (result)
> +               return result;
>
> -       return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
> +       return sprintf(buf, "%ld", deci_kelvin_to_celsius(value));

Can you explain the change %lu to %ld?

>  }
>
>  static ssize_t aux0_show(struct device *dev,
> @@ -332,8 +334,8 @@ static ssize_t aux_store(struct device *dev, struct device_attribute *dev_attr,
>         if (value < 0)
>                 return -EINVAL;
>
> -       result = sensor_set_auxtrip(attr->handle, idx,
> -                                   CELSIUS_TO_DECI_KELVIN(value));

> +       result = sensor_set_auxtrip(attr->handle, idx,
> +                                   celsius_to_deci_kelvin(value));

How come the first line has been changed?

>         return result ? result : count;
>  }
>
> --
> 2.7.4
>
Akinobu Mita Nov. 25, 2019, 2:34 p.m. UTC | #2
2019年11月25日(月) 4:58 Andy Shevchenko <andy.shevchenko@gmail.com>:
>
> On Sun, Nov 24, 2019 at 4:09 PM Akinobu Mita <akinobu.mita@gmail.com> wrote:
> >
> > This switches the intel_menlow driver to use deci_kelvin_to_celsius() and
> > celsius_to_deci_kelvin() in <linux/temperature.h> instead of helpers in
> > <linux/thermal.h>.
> >
> > This is preparation for centralizing the kelvin to/from Celsius conversion
> > helpers in <linux/temprature.h>.
> >
> > Cc: Sujith Thomas <sujith.thomas@intel.com>
> > Cc: Darren Hart <dvhart@infradead.org>
> > Cc: Andy Shevchenko <andy@infradead.org>
> > Cc: Zhang Rui <rui.zhang@intel.com>
> > Cc: Eduardo Valentin <edubezval@gmail.com>
> > Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
> > Cc: Amit Kucheria <amit.kucheria@verdurent.com>
> > Cc: Jean Delvare <jdelvare@suse.com>
> > Cc: Guenter Roeck <linux@roeck-us.net>
> > Cc: Keith Busch <kbusch@kernel.org>
> > Cc: Jens Axboe <axboe@fb.com>
> > Cc: Christoph Hellwig <hch@lst.de>
> > Cc: Sagi Grimberg <sagi@grimberg.me>
> > Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
> > ---
> >  drivers/platform/x86/intel_menlow.c | 8 +++++---
> >  1 file changed, 5 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
> > index b102f6d..6313591 100644
> > --- a/drivers/platform/x86/intel_menlow.c
> > +++ b/drivers/platform/x86/intel_menlow.c
> > @@ -302,8 +302,10 @@ static ssize_t aux_show(struct device *dev, struct device_attribute *dev_attr,
> >         int result;
> >
> >         result = sensor_get_auxtrip(attr->handle, idx, &value);
> > +       if (result)
> > +               return result;
> >
> > -       return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
> > +       return sprintf(buf, "%ld", deci_kelvin_to_celsius(value));
>
> Can you explain the change %lu to %ld?

Isn't it possible for aux values to be lower than 0 degrees Celsius?

> >  }
> >
> >  static ssize_t aux0_show(struct device *dev,
> > @@ -332,8 +334,8 @@ static ssize_t aux_store(struct device *dev, struct device_attribute *dev_attr,
> >         if (value < 0)
> >                 return -EINVAL;
> >
> > -       result = sensor_set_auxtrip(attr->handle, idx,
> > -                                   CELSIUS_TO_DECI_KELVIN(value));
>
> > +       result = sensor_set_auxtrip(attr->handle, idx,
> > +                                   celsius_to_deci_kelvin(value));
>
> How come the first line has been changed?

Because the trailing space is removed.  I'll mention it in the commit log.
Andy Shevchenko Nov. 25, 2019, 7:07 p.m. UTC | #3
On Mon, Nov 25, 2019 at 4:35 PM Akinobu Mita <akinobu.mita@gmail.com> wrote:
> 2019年11月25日(月) 4:58 Andy Shevchenko <andy.shevchenko@gmail.com>:
> > On Sun, Nov 24, 2019 at 4:09 PM Akinobu Mita <akinobu.mita@gmail.com> wrote:

> > > -       return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
> > > +       return sprintf(buf, "%ld", deci_kelvin_to_celsius(value));
> >
> > Can you explain the change %lu to %ld?
>
> Isn't it possible for aux values to be lower than 0 degrees Celsius?

If it's a change due to requirement of new helpers, put it in the
commit message, otherwise leave as is.
Akinobu Mita Nov. 26, 2019, 2:34 p.m. UTC | #4
2019年11月26日(火) 4:07 Andy Shevchenko <andy.shevchenko@gmail.com>:
>
> On Mon, Nov 25, 2019 at 4:35 PM Akinobu Mita <akinobu.mita@gmail.com> wrote:
> > 2019年11月25日(月) 4:58 Andy Shevchenko <andy.shevchenko@gmail.com>:
> > > On Sun, Nov 24, 2019 at 4:09 PM Akinobu Mita <akinobu.mita@gmail.com> wrote:
>
> > > > -       return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
> > > > +       return sprintf(buf, "%ld", deci_kelvin_to_celsius(value));
> > >
> > > Can you explain the change %lu to %ld?
> >
> > Isn't it possible for aux values to be lower than 0 degrees Celsius?
>
> If it's a change due to requirement of new helpers, put it in the
> commit message, otherwise leave as is.

OK, I'll leave it as is.
The format string will be fixed by a separate patch.
diff mbox series

Patch

diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c
index b102f6d..6313591 100644
--- a/drivers/platform/x86/intel_menlow.c
+++ b/drivers/platform/x86/intel_menlow.c
@@ -302,8 +302,10 @@  static ssize_t aux_show(struct device *dev, struct device_attribute *dev_attr,
 	int result;
 
 	result = sensor_get_auxtrip(attr->handle, idx, &value);
+	if (result)
+		return result;
 
-	return result ? result : sprintf(buf, "%lu", DECI_KELVIN_TO_CELSIUS(value));
+	return sprintf(buf, "%ld", deci_kelvin_to_celsius(value));
 }
 
 static ssize_t aux0_show(struct device *dev,
@@ -332,8 +334,8 @@  static ssize_t aux_store(struct device *dev, struct device_attribute *dev_attr,
 	if (value < 0)
 		return -EINVAL;
 
-	result = sensor_set_auxtrip(attr->handle, idx, 
-				    CELSIUS_TO_DECI_KELVIN(value));
+	result = sensor_set_auxtrip(attr->handle, idx,
+				    celsius_to_deci_kelvin(value));
 	return result ? result : count;
 }