From: Zhang Rui <rui.zhang@intel.com>
To: lenb@kernel.org
Cc: linux-acpi@vger.kernel.org, linux-pm@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, rui.zhang@intel.com,
sujith.thomas@intel.com
Subject: [PATCH 8/10] ACPI: CELSIUS_TO_KELVIN fixup
Date: Thu, 17 Jan 2008 15:51:19 +0800 [thread overview]
Message-ID: <1200556279.2935.120.camel@acpi-sony.sh.intel.com> (raw)
From: Zhang Rui <rui.zhang@intel.com>
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>
---
drivers/acpi/thermal.c | 3 ---
include/linux/thermal.h | 4 ++++
2 files changed, 4 insertions(+), 3 deletions(-)
Index: linux-2.6/drivers/acpi/thermal.c
===================================================================
--- linux-2.6.orig/drivers/acpi/thermal.c
+++ linux-2.6/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");
Index: linux-2.6/include/linux/thermal.h
===================================================================
--- linux-2.6.orig/include/linux/thermal.h
+++ linux-2.6/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];
reply other threads:[~2008-01-17 7:47 UTC|newest]
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