# \[PATCH 3/4\] pwm: omap-dmtimer: round load and match values rather than truncate

- From: Thierry Reding \<hidden\>
- Date: 2016-03-04 15:18:04 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2016/03/8731382
- Thread: https://ratatoskr.run/linux-arm-kernel/2016/01/8728537/t.md

```text
On Fri, Jan 29, 2016 at 11:26:53PM -0500, David Rivshin (Allworx) wrote:
> From: David Rivshin <redacted>
> 
> When converting period and duty_cycle from nanoseconds to fclk cycles,
> the error introduced by the integer division can be appreciable, especially
> in the case of slow fclk or short period. Use DIV_ROUND_CLOSEST_ULL() so
> that the error is kept to +/- 0.5 clock cycles.
> 
> Fixes: 6604c6556db9 ("pwm: Add PWM driver for OMAP using dual-mode timers")
> Signed-off-by: David Rivshin <redacted>
> ---
>  drivers/pwm/pwm-omap-dmtimer.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)

Applied, thanks.

Thierry
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20160304/999afb7d/attachment.sig>
```