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staging: comedi: drivers: Use DIV_ROUND_CLOSEST

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The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.

The Coccinelle script used:
// <smpl>
@haskernel@
@@
@depends on haskernel@
expression x,__divisor;
@@
- (((x) + ((__divisor) / 2)) / (__divisor))
+ DIV_ROUND_CLOSEST(x,__divisor)
// </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 23:13:47 +05:30 • committed by Greg Kroah-Hartman
commit d9798aa6c3
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/comedi/drivers/s626.c
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@ -1970,7 +1970,7 @@ static int s626_ns_to_timer(unsigned int *nanosec, unsigned int flags)
switch (flags & CMDF_ROUND_MASK) {
case CMDF_ROUND_NEAREST:
default:
divider = (*nanosec + base / 2) / base;
divider = DIV_ROUND_CLOSEST(*nanosec, base);
break;
case CMDF_ROUND_DOWN:
divider = (*nanosec) / base;