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Commit 9974b6ea authored by Robert P. J. Day's avatar Robert P. J. Day Committed by Linus Torvalds
Browse files

rtc-s3c: Use is_power_of_2() macro for simplicity. 



Use is_power_of_2() macro for simplicity.

Signed-off-by: default avatarRobert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: default avatarAlessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 037e291c

drivers/rtc/rtc-s3c.c

+2 −3
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/rtc.h>

#include <linux/bcd.h>

#include <linux/clk.h>

#include <linux/log2.h>



#include <asm/hardware.h>

#include <asm/uaccess.h>
@@ -309,9 +310,7 @@ static int s3c_rtc_ioctl(struct device *dev, 
		break;



	case RTC_IRQP_SET:

		/* check for power of 2 */



		if ((arg & (arg-1)) != 0 || arg < 1) {

		if (!is_power_of_2(arg)) {

			ret = -EINVAL;

			goto exit;

		}