linux-kernel - [PATCH 7/8] Thermal: Make PER

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Date:	Tue, 18 Dec 2012 14:59:36 +0530
From:	Durgadoss R <durgadoss.r@...el.com>
To:	rui.zhang@...el.com, linux-pm@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hongbo.zhang@...aro.org,
	wni@...dia.com, Durgadoss R <durgadoss.r@...el.com>
Subject: [PATCH 7/8] Thermal: Make PER_ZONE values configurable

This patch makes MAX_SENSORS_PER_ZONE and
MAX_CDEVS_PER_ZONE values configurable. The
default value is 1, and range is 1-12.

Signed-off-by: Durgadoss R <durgadoss.r@...el.com>
---
No great reason for using 12.
---
 drivers/thermal/Kconfig |   14 ++++++++++++++
 include/linux/thermal.h |    6 +++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index d96da07..c5ba3340 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -15,6 +15,20 @@ menuconfig THERMAL
 
 if THERMAL
 
+config THERMAL_MAX_SENSORS_PER_ZONE
+	int "Maximum number of sensors allowed per thermal zone"
+	default 1
+	range 1 12
+	---help---
+	  Specify the number of sensors allowed per zone
+
+config THERMAL_MAX_CDEVS_PER_ZONE
+	int "Maximum number of cooling devices allowed per thermal zone"
+	default 1
+	range 1 12
+	---help---
+	  Specify the number of cooling devices allowed per zone
+
 config THERMAL_HWMON
 	bool
 	depends on HWMON=y || HWMON=THERMAL
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 581dc87..7b0359b 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -49,9 +49,9 @@
 /* Default Thermal Governor: Does Linear Throttling */
 #define DEFAULT_THERMAL_GOVERNOR	"step_wise"
 
-#define MAX_SENSORS_PER_ZONE		5
-
-#define MAX_CDEVS_PER_ZONE		5
+/* Maximum number of sensors/cdevs per zone, defined through Kconfig */
+#define MAX_SENSORS_PER_ZONE	CONFIG_THERMAL_MAX_SENSORS_PER_ZONE
+#define MAX_CDEVS_PER_ZONE	CONFIG_THERMAL_MAX_CDEVS_PER_ZONE
 
 /* If we map each sensor with every possible cdev for a zone */
 #define MAX_MAPS_PER_ZONE	(MAX_SENSORS_PER_ZONE * MAX_CDEVS_PER_ZONE)
-- 
1.7.9.5

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