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staging: comedi: drivers: use DIV_ROUND_UP

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

Coccinelle script used :

// <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: Tapasweni Pathak <tapaswenipathak@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tapasweni Pathak 2014-10-08 22:56:01 +05:30 committed by Greg Kroah-Hartman
parent 583bea6c40
commit 97996da178
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/comedi/drivers/s626.c
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@ -1976,7 +1976,7 @@ static int s626_ns_to_timer(unsigned int *nanosec, unsigned int flags)
divider = (*nanosec) / base;
break;
case CMDF_ROUND_UP:
divider = (*nanosec + base - 1) / base;
divider = DIV_ROUND_UP(*nanosec, base);
break;
}