Re: [PATCH] linux/thermal.h: Rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS

[Javi Merino <javi.merino@arm.com>]

On Mon, Mar 24, 2014 at 05:29:09PM +0000, Rasmus Villemoes wrote:
> The macros KELVIN_TO_CELSIUS and CELSIUS_TO_KELVIN actually work on
> decikelvins, so rename them to reflect their actual semantics.
> 
> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
> ---
>  drivers/acpi/thermal.c              | 12 ++++++------
>  drivers/platform/x86/asus-wmi.c     |  2 +-
>  drivers/platform/x86/intel_menlow.c |  8 ++++----
>  include/linux/thermal.h             |  6 +++---
>  4 files changed, 14 insertions(+), 14 deletions(-)

[snip]

> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index f7e11c7..c978aa3 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -41,9 +41,9 @@
>  #define THERMAL_NO_LIMIT	THERMAL_CSTATE_INVALID
>  
>  /* Unit conversion macros */
> -#define KELVIN_TO_CELSIUS(t)	(long)(((long)t-2732 >= 0) ?	\
> -				((long)t-2732+5)/10 : ((long)t-2732-5)/10)
> -#define CELSIUS_TO_KELVIN(t)	((t)*10+2732)
> +#define DECI_KELVIN_TO_CELSIUS(t)	(long)(((long)t-2732 >= 0) ?	\
> +					((long)t-2732+5)/10 : ((long)t-2732-5)/10)
> +#define CELSIUS_TO_DECI_KELVIN(t)	((t)*10+2732)

While you are at it, you could also make it use a statement expression
as Joe Perches suggested earlier:

http://thread.gmane.org/gmane.linux.power-management.general/43978/focus=1671955

Cheers,
Javi