V4L/DVB (12483): Use DIV_ROUND_CLOSEST
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.
The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@haskernel@
@@
@depends on haskernel@
expression x,__divisor;
@@
- (((x) + ((__divisor) / 2)) / (__divisor))
+ DIV_ROUND_CLOSEST(x,__divisor)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c
index 8217e5b..fc96fbf 100644
--- a/drivers/media/dvb/frontends/dib7000p.c
+++ b/drivers/media/dvb/frontends/dib7000p.c
@@ -883,7 +883,7 @@
255, 255, 255, 255, 255, 255};
u32 xtal = state->cfg.bw->xtal_hz / 1000;
- int f_rel = ( (rf_khz + xtal/2) / xtal) * xtal - rf_khz;
+ int f_rel = DIV_ROUND_CLOSEST(rf_khz, xtal) * xtal - rf_khz;
int k;
int coef_re[8],coef_im[8];
int bw_khz = bw;