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thermal: Create CONFIG_THERMAL_HWMON=n

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A bug in libsensors <= 2.10.6 is exposed
when this new hwmon I/F is enabled.
Create CONFIG_THERMAL_HWMON=n
until some time after libsensors 2.10.7 ships
so those users can run the latest kernel.

libsensors 3.x is already fixed -- those users
can use CONFIG_THERMAL_HWMON=y now.

Signed-off-by: Rene Herman <rene.herman@gmail.com>
Acked-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Rene Herman 2008-06-24 19:38:56 +02:00 committed by Len Brown
parent 543cf4cb3f
commit 16d7523973
4 changed files with 22 additions and 6 deletions
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9
Documentation/feature-removal-schedule.txt
View file

@ -312,3 +312,12 @@ When: 2.6.26
Why: Implementation became generic; users should now include
linux/semaphore.h instead.
Who: Matthew Wilcox <willy@linux.intel.com>
---------------------------
What: CONFIG_THERMAL_HWMON
When: January 2009
Why: This option was introduced just to allow older lm-sensors userspace
to keep working over the upgrade to 2.6.26. At the scheduled time of
removal fixed lm-sensors (2.x or 3.x) should be readily available.
Who: Rene Herman <rene.herman@gmail.com>

9
drivers/thermal/Kconfig
View file

@ -12,3 +12,12 @@ menuconfig THERMAL
cooling devices.
All platforms with ACPI thermal support can use this driver.
If you want this support, you should say Y or M here.
config THERMAL_HWMON
bool "Hardware monitoring support"
depends on HWMON=y || HWMON=THERMAL
help
The generic thermal sysfs driver's hardware monitoring support
requires a 2.10.7/3.0.2 or later lm-sensors userspace.
Say Y if your user-space is new enough.

4
drivers/thermal/thermal_sys.c
View file

@ -295,8 +295,8 @@ thermal_cooling_device_trip_point_show(struct device *dev,
/* Device management */
#if defined(CONFIG_HWMON) || \
(defined(CONFIG_HWMON_MODULE) && defined(CONFIG_THERMAL_MODULE))
#if defined(CONFIG_THERMAL_HWMON)
/* hwmon sys I/F */
#include <linux/hwmon.h>
static LIST_HEAD(thermal_hwmon_list);

6
include/linux/thermal.h
View file

@ -66,8 +66,7 @@ struct thermal_cooling_device {
((long)t-2732+5)/10 : ((long)t-2732-5)/10)
#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
#if defined(CONFIG_HWMON) || \
(defined(CONFIG_HWMON_MODULE) && defined(CONFIG_THERMAL_MODULE))
#if defined(CONFIG_THERMAL_HWMON)
/* thermal zone devices with the same type share one hwmon device */
struct thermal_hwmon_device {
char type[THERMAL_NAME_LENGTH];
@ -94,8 +93,7 @@ struct thermal_zone_device {
struct idr idr;
struct mutex lock; /* protect cooling devices list */
struct list_head node;
#if defined(CONFIG_HWMON) || \
(defined(CONFIG_HWMON_MODULE) && defined(CONFIG_THERMAL_MODULE))
#if defined(CONFIG_THERMAL_HWMON)
struct list_head hwmon_node;
struct thermal_hwmon_device *hwmon;
struct thermal_hwmon_attr temp_input; /* hwmon sys attr */