diff options
Diffstat (limited to 'include/linux/dim.h')
| -rw-r--r-- | include/linux/dim.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/dim.h b/include/linux/dim.h index 9fa4b3f88c39..ad5f219ce2ff 100644 --- a/include/linux/dim.h +++ b/include/linux/dim.h @@ -17,7 +17,7 @@ * We consider 10% difference as significant. */ #define IS_SIGNIFICANT_DIFF(val, ref) \ - (((100UL * abs((val) - (ref))) / (ref)) > 10) + ((ref) && (((100UL * abs((val) - (ref))) / (ref)) > 10)) /** * Calculate the gap between two values. @@ -233,8 +233,9 @@ void dim_park_tired(struct dim *dim); * * Calculate the delta between two samples (in data rates). * Takes into consideration counter wrap-around. + * Returned boolean indicates whether curr_stats are reliable. */ -void dim_calc_stats(struct dim_sample *start, struct dim_sample *end, +bool dim_calc_stats(struct dim_sample *start, struct dim_sample *end, struct dim_stats *curr_stats); /** |