From: Thierry Reding <thierry.reding@gmail.com>
Date: Wed, 18 Feb 2015 07:40:29 +0000 (+0100)
Subject: pwm: tegra: Use NSEC_PER_SEC
X-Git-Tag: v4.9.8~4769^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b65af27ad89de60ca55721f9368b18d49ba1f269;p=platform%2Fkernel%2Flinux-rpi3.git

pwm: tegra: Use NSEC_PER_SEC

Instead of using the literal value for the number of nanoseconds per
second, use the macro instead to increase readability.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
---

diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index 5b97cae..cabd7d8 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -87,7 +87,7 @@ static int tegra_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	 * cycles at the PWM clock rate will take period_ns nanoseconds.
 	 */
 	rate = clk_get_rate(pc->clk) >> PWM_DUTY_WIDTH;
-	hz = 1000000000ul / period_ns;
+	hz = NSEC_PER_SEC / period_ns;
 
 	rate = (rate + (hz / 2)) / hz;