From d65dcdcf0cd55b4be1fd1f5025388e91042d63fc Mon Sep 17 00:00:00 2001
From: "Thomas, Sujith" <sujith.thomas@intel.com>
Date: Wed, 5 Nov 2008 16:15:13 +0530
Subject: [PATCH] intel_menlow: Add comment documenting legal GTHS values
Signed-off-by: Sujith Thomas <sujith.thomas@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
drivers/misc/intel_menlow.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index 124b37ddb5c17..27b7662955bb1 100644
--- a/drivers/misc/intel_menlow.c
+++ b/drivers/misc/intel_menlow.c
@@ -52,6 +52,11 @@ MODULE_LICENSE("GPL");
#define MEMORY_ARG_CUR_BANDWIDTH 1
#define MEMORY_ARG_MAX_BANDWIDTH 0
+/*
+ * GTHS returning 'n' would mean that [0,n-1] states are supported
+ * In that case max_cstate would be n-1
+ * GTHS returning '0' would mean that no bandwidth control states are supported
+ */
static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev,
unsigned long *max_state)
{
--
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