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authorsimran singhal <singhalsimran0@gmail.com>2017-02-21 23:58:26 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-06 09:16:58 +0100
commit7dfc6971243430dd9edef3c4c0694d3a97b321f7 (patch)
tree7c269003f170c6f614383c7f9ec0eb4546caf8ae /drivers/staging/comedi/drivers/cb_pcidas64.c
parentstaging: comedi: s626: Kernel doc format comments (diff)
downloadlinux-dev-7dfc6971243430dd9edef3c4c0694d3a97b321f7.tar.xz
linux-dev-7dfc6971243430dd9edef3c4c0694d3a97b321f7.zip
staging: comedi: Using macro DIV_ROUND_UP
The macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /(d)). It clarifies the divisor calculations. This occurence was detected using the coccinelle script: @@ expression e1; expression e2; @@ ( - ((e1) + e2 - 1) / (e2) + DIV_ROUND_UP(e1,e2) | - ((e1) + (e2 - 1)) / (e2) + DIV_ROUND_UP(e1,e2) ) Signed-off-by: simran singhal <singhalsimran0@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/cb_pcidas64.c')
-rw-r--r--drivers/staging/comedi/drivers/cb_pcidas64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c
index efbf27730d71..3b98193de0a4 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas64.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas64.c
@@ -2007,7 +2007,7 @@ static unsigned int get_divisor(unsigned int ns, unsigned int flags)
switch (flags & CMDF_ROUND_MASK) {
case CMDF_ROUND_UP:
- divisor = (ns + TIMER_BASE - 1) / TIMER_BASE;
+ divisor = DIV_ROUND_UP(ns, TIMER_BASE);
break;
case CMDF_ROUND_DOWN:
divisor = ns / TIMER_BASE;