diff options
| author | simran singhal <singhalsimran0@gmail.com> | 2017-02-21 21:28:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-06 11:16:58 +0300 |
| commit | 7dfc6971243430dd9edef3c4c0694d3a97b321f7 (patch) | |
| tree | 7c269003f170c6f614383c7f9ec0eb4546caf8ae /drivers/staging/comedi | |
| parent | 427fda4e5c3406fcca5ab87aabccdbb2840b7544 (diff) | |
| download | linux-7dfc6971243430dd9edef3c4c0694d3a97b321f7.tar.xz | |
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')
| -rw-r--r-- | drivers/staging/comedi/drivers/addi_apci_3xxx.c | 2 | ||||
| -rw-r--r-- | drivers/staging/comedi/drivers/cb_pcidas64.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/addi_apci_3xxx.c b/drivers/staging/comedi/drivers/addi_apci_3xxx.c index b6af3eba91fd..82c22110f128 100644 --- a/drivers/staging/comedi/drivers/addi_apci_3xxx.c +++ b/drivers/staging/comedi/drivers/addi_apci_3xxx.c @@ -502,7 +502,7 @@ static int apci3xxx_ai_ns_to_timer(struct comedi_device *dev, timer = *ns / base; break; case CMDF_ROUND_UP: - timer = (*ns + base - 1) / base; + timer = DIV_ROUND_UP(*ns, base); break; } 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; |