diff options
| author | Robert P. J. Day <rpjday@crashcourse.ca> | 2007-11-06 03:21:42 -0500 |
|---|---|---|
| committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2008-02-07 20:39:40 -0500 |
| commit | ce9c2f449b9e6b68d3a71ba146d64c44c8945d8d (patch) | |
| tree | bb22c3bdb79fdfaad4b6ab595f3f054019e14066 /drivers | |
| parent | 5aebefb08682ebd67ea0b902950d00169e1451cb (diff) | |
hwmon: (adt7470) Replace power-of-two test
Since <linux/log2.h> already supplies a power-of-two test, there's no
point in having this source file redefine it again.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Diffstat (limited to 'drivers')
| -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); /* sleep 1s while gathering temperature data */ #define TEMP_COLLECTION_TIME 1000 -#define power_of_2(x) (((x) & ((x) - 1)) == 0) - /* datasheet says to divide this number by the fan reading to get fan rpm */ #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) #define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM @@ -677,7 +675,7 @@ static int cvt_auto_temp(int input) { if (input == ADT7470_PWM_ALL_TEMPS) return 0; - if (input < 1 || !power_of_2(input)) + if (input < 1 || !is_power_of_2(input)) return -EINVAL; return ilog2(input) + 1; } |