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author | Julia Lawall <julia@diku.dk> | 2008-04-28 02:14:51 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-28 08:58:35 -0700 |
commit | 416e74ea7813597b586eafc24f67779eeb86e12f (patch) | |
tree | ddb2312349310de0e7a045c6d81bf79d72ed2d0c /drivers/video/atafb.c | |
parent | 7f29b87a7779505288a31df16ba84a85fc1ae93c (diff) | |
download | linux-3.10-416e74ea7813597b586eafc24f67779eeb86e12f.tar.gz linux-3.10-416e74ea7813597b586eafc24f67779eeb86e12f.tar.bz2 linux-3.10-416e74ea7813597b586eafc24f67779eeb86e12f.zip |
fbdev: use DIV_ROUND_UP or roundup
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@
@@
#include <linux/kernel.h>
@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>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/atafb.c')
-rw-r--r-- | drivers/video/atafb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/atafb.c b/drivers/video/atafb.c index 5d4fbaa53a6..dff35474b85 100644 --- a/drivers/video/atafb.c +++ b/drivers/video/atafb.c @@ -1270,7 +1270,7 @@ again: gstart = (prescale / 2 + plen * left_margin) / prescale; /* gend1 is for hde (gend-gstart multiple of align), shifter's xres */ - gend1 = gstart + ((xres + align - 1) / align) * align * plen / prescale; + gend1 = gstart + roundup(xres, align) * plen / prescale; /* gend2 is for hbb, visible xres (rest to gend1 is cut off by hblank) */ gend2 = gstart + xres * plen / prescale; par->HHT = plen * (left_margin + xres + right_margin) / |