From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laxman Dewangan Subject: [PATCH V2 1/4] pwm: tegra: Use DIV_ROUND_CLOSEST_ULL() instead of local implementation Date: Thu, 6 Apr 2017 19:50:58 +0530 Message-ID: <1491488461-24621-2-git-send-email-ldewangan@nvidia.com> References: <1491488461-24621-1-git-send-email-ldewangan@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1491488461-24621-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org, linux-pwm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Laxman Dewangan List-Id: devicetree@vger.kernel.org Use macro DIV_ROUND_CLOSEST_ULL() for 64bit division to closet one instead of implementing the same locally. This increase readability. Signed-off-by: Laxman Dewangan --- Changes from V1: None drivers/pwm/pwm-tegra.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c index e464784..0a688da 100644 --- a/drivers/pwm/pwm-tegra.c +++ b/drivers/pwm/pwm-tegra.c @@ -85,8 +85,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, * nearest integer during division. */ c *= (1 << PWM_DUTY_WIDTH); - c += period_ns / 2; - do_div(c, period_ns); + c = DIV_ROUND_CLOSEST_ULL(c, period_ns); val = (u32)c << PWM_DUTY_SHIFT; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html