ACPI: CELSIUS_TO_KELVIN fixup

Fix an imprecision in CELSIUS_TO_KELVIN and move these two macroes to a proper place. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Thomas Sujith <sujith.thomas@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
git-mirror · Feb 2, 2008 · 041d4bb · 041d4bb
1 parent 2073393
commit 041d4bb
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
@@ -65,9 +65,6 @@
 #define ACPI_THERMAL_MAX_ACTIVE	10
 #define ACPI_THERMAL_MAX_LIMIT_STR_LEN 65
 
-#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+273)*10)
-
 #define _COMPONENT		ACPI_THERMAL_COMPONENT
 ACPI_MODULE_NAME("thermal");
 

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
@@ -61,6 +61,10 @@ struct thermal_cooling_device {
 	struct list_head node;
 };
 
+#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)
+
 struct thermal_zone_device {
 	int id;
 	char type[THERMAL_NAME_LENGTH];