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intel_menlow: Add comment documenting legal GTHS values

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Signed-off-by: Sujith Thomas <sujith.thomas@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Thomas, Sujith 2008-11-05 16:15:13 +05:30 committed by Len Brown
parent 8950d89aca
commit d65dcdcf0c
1 changed files with 5 additions and 0 deletions
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5
drivers/misc/intel_menlow.c
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@ -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)
{