diff options
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/adt7470.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index 9810aaa0489d..a2155605e318 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c | |||
@@ -114,8 +114,6 @@ I2C_CLIENT_INSMOD_1(adt7470); | |||
114 | /* sleep 1s while gathering temperature data */ | 114 | /* sleep 1s while gathering temperature data */ |
115 | #define TEMP_COLLECTION_TIME 1000 | 115 | #define TEMP_COLLECTION_TIME 1000 |
116 | 116 | ||
117 | #define power_of_2(x) (((x) & ((x) - 1)) == 0) | ||
118 | |||
119 | /* datasheet says to divide this number by the fan reading to get fan rpm */ | 117 | /* datasheet says to divide this number by the fan reading to get fan rpm */ |
120 | #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) | 118 | #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) |
121 | #define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM | 119 | #define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM |
@@ -677,7 +675,7 @@ static int cvt_auto_temp(int input) | |||
677 | { | 675 | { |
678 | if (input == ADT7470_PWM_ALL_TEMPS) | 676 | if (input == ADT7470_PWM_ALL_TEMPS) |
679 | return 0; | 677 | return 0; |
680 | if (input < 1 || !power_of_2(input)) | 678 | if (input < 1 || !is_power_of_2(input)) |
681 | return -EINVAL; | 679 | return -EINVAL; |
682 | return ilog2(input) + 1; | 680 | return ilog2(input) + 1; |
683 | } | 681 | } |