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| author | Thomas, Sujith <sujith.thomas@intel.com> | 2008-11-05 16:15:13 +0530 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-11-06 20:24:24 -0500 |
| commit | d65dcdcf0cd55b4be1fd1f5025388e91042d63fc (patch) | |
| tree | f02facdf511a45c43b324f3100f12927228582eb /drivers/misc | |
| parent | 8950d89acaa8c353869e681772479d7955ae6f7a (diff) | |
| download | linux-d65dcdcf0cd55b4be1fd1f5025388e91042d63fc.tar.bz2 | |
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>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/intel_menlow.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c index 124b37ddb5c1..27b7662955bb 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) { |