V4L/DVB (8729): Use DIV_ROUND_UP

The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
(d)) but is perhaps more readable.

An extract of the semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@haskernel@
@@

@depends on haskernel@
expression n,d;
@@

(
- (n + d - 1) / d
+ DIV_ROUND_UP(n,d)
|
- (n + (d - 1)) / d
+ DIV_ROUND_UP(n,d)
)

@depends on haskernel@
expression n,d;
@@

- DIV_ROUND_UP((n),d)
+ DIV_ROUND_UP(n,d)

@depends on haskernel@
expression n,d;
@@

- DIV_ROUND_UP(n,(d))
+ DIV_ROUND_UP(n,d)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/video/zoran_device.c b/drivers/media/video/zoran_device.c
index 88d369708e4..2b3ca149337 100644
--- a/drivers/media/video/zoran_device.c
+++ b/drivers/media/video/zoran_device.c
@@ -377,7 +377,7 @@ zr36057_set_vfe (struct zoran              *zr,
 
 	/* horizontal */
 	VidWinWid = video_width;
-	X = (VidWinWid * 64 + tvn->Wa - 1) / tvn->Wa;
+	X = DIV_ROUND_UP(VidWinWid * 64, tvn->Wa);
 	We = (VidWinWid * 64) / X;
 	HorDcm = 64 - X;
 	hcrop1 = 2 * ((tvn->Wa - We) / 4);
@@ -403,7 +403,7 @@ zr36057_set_vfe (struct zoran              *zr,
 	/* Vertical */
 	DispMode = !(video_height > BUZ_MAX_HEIGHT / 2);
 	VidWinHt = DispMode ? video_height : video_height / 2;
-	Y = (VidWinHt * 64 * 2 + tvn->Ha - 1) / tvn->Ha;
+	Y = DIV_ROUND_UP(VidWinHt * 64 * 2, tvn->Ha);
 	He = (VidWinHt * 64) / Y;
 	VerDcm = 64 - Y;
 	vcrop1 = (tvn->Ha / 2 - He) / 2;