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Commit ce9c2f44 authored by Robert P. J. Day's avatar Robert P. J. Day Committed by Mark M. Hoffman
Browse files

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: default avatarRobert P. J. Day <rpjday@crashcourse.ca>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarMark M. Hoffman <mhoffman@lightlink.com>
parent 5aebefb0

drivers/hwmon/adt7470.c

+1 −3
Original line number Diff line number Diff line
@@ -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;

}