Commit ed7dd240 authored Sep 01, 2012 by Jean Delvare Committed by Mauro Carvalho Chehab Sep 18, 2012

[media] mceusb: Optimize DIV_ROUND_CLOSEST call



DIV_ROUND_CLOSEST is faster if the compiler knows it will only be
dealing with unsigned dividends.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 8b036636

drivers/media/rc/mceusb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -627,7 +627,7 @@ static void mceusb_dev_printdata(struct mceusb_dev ir, char buf,
		break;
		case MCE_RSP_EQIRCFS:
		period = DIV_ROUND_CLOSEST(
		(1 << data1 * 2) * (data2 + 1), 10);
		(1U << data1 * 2) * (data2 + 1), 10);
		if (!period)
		break;
		carrier = (1000 * 1000) / period;

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