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authorJean Delvare <khali@linux-fr.org>2012-09-01 17:53:57 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-18 15:22:58 (GMT)
commited7dd240075fabf38e489930e39eab2dfa836520 (patch)
treea673bc772c7899466b6be8c39e61bcbe0058c287 /drivers/media/rc
parent8b03663644002a6c742dd38dbdc8300da85293da (diff)
downloadlinux-ed7dd240075fabf38e489930e39eab2dfa836520.tar.xz
[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>
Diffstat (limited to 'drivers/media/rc')
-rw-r--r--drivers/media/rc/mceusb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c
index a5c6c1c..850547f 100644
--- a/drivers/media/rc/mceusb.c
+++ b/drivers/media/rc/mceusb.c
@@ -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;