hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[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>
This commit is contained in:
Jean Delvare 2012-09-01 14:53:57 -03:00 committed by Mauro Carvalho Chehab
parent 8b03663644
commit ed7dd24007
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/rc/mceusb.c
View File

@ -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;