pwm: rcar: Improve accuracy of frequency division setting
From: Ryo Kodama <ryo.kodama.vz@renesas.com>
When period_ns is set to the same value of RCAR_PWM_MAX_CYCLE in
rcar_pwm_get_clock_division(), this function should allow such value
for improving accuracy of frequency division setting.
Signed-off-by: Ryo Kodama <ryo.kodama.vz@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
index 6e99a63..7b8ac06 100644
--- a/drivers/pwm/pwm-rcar.c
+++ b/drivers/pwm/pwm-rcar.c
@@ -81,7 +81,7 @@
max = (unsigned long long)NSEC_PER_SEC * RCAR_PWM_MAX_CYCLE *
(1 << div);
do_div(max, clk_rate);
- if (period_ns < max)
+ if (period_ns <= max)
break;
}