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>

parent 8d6cc073

drivers/pwm/pwm-tegra.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;